Beach Hazards Statement
* WHAT...Hazardous beach conditions expected with strong rip
currents, sneaker waves, and breaking waves up to 15 feet.
* WHERE...Northern Monterey Bay.
* WHEN...Through this evening.
* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.
From: Jan 09, 2026 16:54
Until: Jan 10, 2026 06:00
Beach Hazards Statement
* WHAT...Hazardous beach conditions expected with strong rip
currents, sneaker waves, and breaking waves up to 15 feet.
* WHERE...Northern Monterey Bay.
* WHEN...From 1 AM PST Thursday through Friday evening.
* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.
From: Jan 08, 2026 11:27
Until: Jan 10, 2026 06:00
High Surf Advisory
* WHAT...Large breaking waves up to 22 feet, strong rip currents
and sneaker waves.
* WHERE...Pacific Coast from Sonoma County to Monterey County,
excluding Northern Monterey Bay.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...There is an increased risk for sneaker waves, strong
rip currents, and beach erosion. Large breaking waves can
overpower swimmers resulting in significant physical injury and
increase the risk of drowning.
From: Jan 09, 2026 16:54
Until: Jan 10, 2026 06:00
High Surf Advisory
* WHAT...Large breaking waves up to 22 feet, strong rip currents
and sneaker waves.
* WHERE...Pacific Coast from Sonoma County to Monterey County,
excluding Northern Monterey Bay.
* WHEN...From 1 AM Thursday to 10 PM PST Friday.
* IMPACTS...There is an increased risk for sneaker waves, strong
rip currents, and beach erosion. Large breaking waves can
overpower swimmers resulting in significant physical injury and
increase the risk of drowning.
From: Jan 08, 2026 11:27
Until: Jan 10, 2026 06:00
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low to mid 30s
expected.
* WHERE...The Santa Clara Valley and Eastern Hills, The East Bay
Hills and Valleys, Monterey Bay and the Big Sur Coast, The Marin
Hills, The Santa Cruz Mountains, Interior Monterey County and the
Santa Lucia Range, North Bay Interior Valleys, and Northern Salinas
Valley/Hollister Valley and Carmel Valley.
* WHEN...From 1 AM to 9 AM PST Saturday.
* IMPACTS...Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Prolonged exposure to the
cold conditions will lead to hypothermia for people, pets, and
livestock. Cold conditions may damage or kill sensitive crops,
plants, and vegetation if appropriate precautions are not taken.
From: Jan 09, 2026 21:07
Until: Jan 10, 2026 05:15
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low to mid 30s
expected.
* WHERE...The East Bay Hills and Valleys, Monterey Bay and the Big
Sur Coast, The Marin Hills, The Santa Cruz Mountains, The Santa
Clara Valley, North Bay Interior Valleys, and Northern Salinas
Valley/Hollister Valley and Carmel Valley.
* WHEN...From 1 AM to 9 AM PST Friday.
* IMPACTS...Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Prolonged exposure to the
cold conditions will lead to hypothermia for people, pets, and
livestock. Cold conditions may damage or kill sensitive crops,
plants, and vegetation if appropriate precautions are not taken.
From: Jan 08, 2026 07:54
Until: Jan 08, 2026 23:00
Extreme Cold Warning
* WHAT...Very cold conditions with temperatures in the mid 20s to low
30s expected.
* WHERE...Interior Monterey County and the Santa Lucia Range, Most of
San Benito County and the Cholame Hills in Southeast Monterey
County, Eastern Santa Clara Hills, and Southern Salinas
Valley/Arroyo Seco and Lake San Antonio.
* WHEN...From 1 AM to 9 AM PST Friday.
* IMPACTS...Cold conditions will be hazardous to sensitive
populations such as unhoused individuals. Cold conditions may
damage or kill sensitive crops, plants, and vegetation if
appropriate precautions are not taken. Prolonged exposure to the
cold conditions will lead to hypothermia for people, pets, and
livestock.
From: Jan 08, 2026 07:54
Until: Jan 08, 2026 23:00
Beach Hazards Statement
* WHAT...Hazardous beach conditions expected with strong rip
currents, sneaker waves, and breaking waves up to 15 feet.
* WHERE...Northern Monterey Bay.
* WHEN...From 1 AM Thursday to 10 PM PST Friday.
* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.
From: Jan 06, 2026 07:43
Until: Jan 07, 2026 09:00
High Surf Advisory
* WHAT...Large breaking waves up to 22 feet, strong rip currents
and sneaker waves.
* WHERE...Pacific Coast.
* WHEN...From 1 AM Thursday to 10 PM PST Friday.
* IMPACTS...There is an increased risk for sneaker waves, strong
rip currents, and beach erosion. Large breaking waves can
overpower swimmers resulting in significant physical injury and
increase the risk of drowning.
From: Jan 06, 2026 07:43
Until: Jan 07, 2026 09:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of
inundation above ground level is possible in low-lying near
shorelines and tidal waterways. For the Beach Hazards
Statement, long period northwesterly swell will result in
strong rip currents, sneaker waves, and breaking waves of up
to 20 feet can be expected.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday.
For the Beach Hazards Statement, from 6 AM PST this morning
through 10 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08
PM Monday 1/5. These predictions include up to 1 foot of storm
surge that will enhance the astronomical tide and flooding
threat. High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.
From: Jan 04, 2026 21:43
Until: Jan 05, 2026 06:00
Beach Hazards Statement
* WHAT...For the Beach Hazards Statement, long period
northwesterly swell will result in strong rip currents, sneaker
waves, and breaking waves of up to 20 feet can be expected
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Beach Hazards Statement, from Sunday morning
through 10 PM PST Sunday.
* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.
From: Jan 04, 2026 21:43
Until: Jan 05, 2026 06:00
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of
inundation above ground level is possible in low-lying near
shorelines and tidal waterways. For the Beach Hazards
Statement, long period northwesterly swell will result in
strong rip currents, sneaker waves, and breaking waves of up
to 20 feet can be expected.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday.
For the Beach Hazards Statement, from 6 AM PST this morning
through 10 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08
PM Monday 1/5. These predictions include up to 1 foot of storm
surge that will enhance the astronomical tide and flooding
threat. High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.
From: Jan 04, 2026 21:43
Until: Jan 05, 2026 06:00
Coastal Flood Advisory
* WHAT...Up to 2 ft of inundation above ground level is possible
in low-lying near shorelines and tidal waterways.
* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.
* WHEN...Until 3 PM PST Monday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08
PM Monday 1/5. These predictions include up to 1 foot of storm
surge that will enhance the astronomical tide and flooding
threat. High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.
From: Jan 04, 2026 21:43
Until: Jan 05, 2026 06:00
Coastal Flood Advisory
* WHAT...Up to 2 ft of inundation above ground level is possible
in low-lying near shorelines and tidal waterways.
* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.
* WHEN...Until 3 PM PST Monday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the Pacific
Coast and through the San Francisco Bay, respectively.
From: Jan 04, 2026 09:35
Until: Jan 04, 2026 22:00
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of
inundation above ground level is possible in low-lying near
shorelines and tidal waterways. For the Beach Hazards
Statement, long period northwesterly swell will result in
strong rip currents, sneaker waves, and breaking waves of up
to 20 feet can be expected.
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the Pacific
Coast and through the San Francisco Bay, respectively.
From: Jan 04, 2026 09:35
Until: Jan 04, 2026 22:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of
inundation above ground level is possible in low-lying near
shorelines and tidal waterways. For the Beach Hazards
Statement, long period northwesterly swell will result in
strong rip currents, sneaker waves, and breaking waves of up
to 20 feet can be expected.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday.
For the Beach Hazards Statement, from 6 AM PST this morning
through this evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the Pacific
Coast and through the San Francisco Bay, respectively.
From: Jan 04, 2026 09:35
Until: Jan 04, 2026 22:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of
inundation above ground level is possible in low-lying near
shorelines and tidal waterways. For the Beach Hazards
Statement, long period northwesterly swell will result in
strong rip currents, sneaker waves, and breaking waves of up
to 20 feet can be expected.
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the Pacific
Coast and through the San Francisco Bay, respectively.
From: Jan 04, 2026 09:35
Until: Jan 04, 2026 22:00
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of
inundation above ground level is possible in low-lying near
shorelines and tidal waterways. For the Beach Hazards
Statement, long period northwesterly swell will result in
strong rip currents, sneaker waves, and breaking waves of up
to 20 feet can be expected.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday.
For the Beach Hazards Statement, from 6 AM PST this morning
through this evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the Pacific
Coast and through the San Francisco Bay, respectively.
From: Jan 04, 2026 09:35
Until: Jan 04, 2026 22:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...North Central Monterey County in central California...
Northwestern San Benito County in central California...
Southeastern Santa Clara County in northern California...
Eastern Santa Cruz County in northern California...
* Until 100 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 955 AM PST, Doppler radar indicated heavy rain. Minor flooding
is already occurring in the advisory area. Between 0.5 and 1 inch
of rain has fallen.
- Additional rainfall amounts of 0.2 to 0.7 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Gilroy, Morgan Hill, Hollister, Ridgemark, Prunedale, Interlaken,
San Juan Bautista, Aromas and San Martin.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 17:55
Until: Jan 04, 2026 21:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Central Alameda County in northern California...
South Central Contra Costa County in northern California...
* Until 1245 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Overflowing poor drainage areas.
* ADDITIONAL DETAILS...
- At 950 AM PST, Doppler radar indicated heavy rain. Minor flooding
is ongoing or expected to begin shortly in the advisory area.
Between 0.5 and 1 inch of rain has fallen.
- Additional rainfall amounts of 0.2 to 0.7 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Oakland, Fremont, Hayward, San Leandro, San Ramon, Pleasanton,
Union City, Walnut Creek, Dublin, Newark, Danville, Castro
Valley, San Lorenzo, Fairview, Cherryland, Ashland, Sunol,
Diablo, Blackhawk-Camino Tassajara and Alamo.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 17:50
Until: Jan 04, 2026 20:45
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...West Central Santa Clara County in northern California...
Santa Cruz County in northern California...
* Until 1230 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 925 AM PST, Doppler radar and automated rain gauges indicated
heavy rain due to thunderstorms. Minor flooding is already
occurring in the advisory area. Between 0.5 and 2.5 inches of
rain have fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Santa Cruz, Corralitos, Scotts Valley, Capitola, Live Oak,
Felton, Ben Lomond, Boulder Creek, Twin Lakes, Soquel, Opal
Cliffs, Aptos, Rio Del Mar, Eureka Canyon Road, Lexington Hills,
Day Valley and Aptos Hills-Larkin Valley.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 17:25
Until: Jan 04, 2026 20:30
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...East Central San Mateo County in northern California...
Northwestern Santa Clara County in northern California...
* Until 1230 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Overflowing poor drainage areas.
* ADDITIONAL DETAILS...
- At 935 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 1 and 1.5 inches of rain
have fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
San Jose, Fremont, Sunnyvale, Redwood City, Mountain View, Palo
Alto, Cupertino, Menlo Park, Los Altos, East Palo Alto, Los Altos
Hills, Atherton, Woodside, Stanford, North Fair Oaks, Portola
Valley, West Menlo Park and Loyola.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 17:35
Until: Jan 04, 2026 20:30
Coastal Flood Advisory
* WHAT...Up to 2 ft of inundation above ground level is possible
in low-lying near shorelines and tidal waterways.
* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.
* WHEN...Until 2 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 21:46
Until: Jan 04, 2026 13:00
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation
above ground level is possible in low-lying near shorelines and
tidal waterways. For the Beach Hazards Statement, long period
northwesterly swell will result in strong rip currents, sneaker
waves, and breaking waves of up to 20 feet can be expected.
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 21:46
Until: Jan 04, 2026 13:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Central San Mateo County in northern California...
* Until 500 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 201 AM PST, Doppler radar indicated heavy rain. Minor flooding
is ongoing or expected to begin shortly in the advisory area. Up
to 1 inch of rain has fallen.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
San Mateo, Redwood City, Menlo Park, Foster City, San Carlos,
Belmont, Half Moon Bay, Hillsborough, Atherton, Woodside,
Highlands-Baywood Park, North Fair Oaks, Portola Valley, Emerald
Lake Hills, West Menlo Park and Highlands.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 10:01
Until: Jan 04, 2026 13:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Northwestern San Mateo County in northern California...
* Until 500 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 330 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 1 inch of rain has fallen.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
San Francisco, San Mateo, South San Francisco, San Bruno,
Pacifica, Burlingame, Millbrae, Half Moon Bay, Hillsborough, El
Granada, Highlands-Baywood Park, Brisbane, Montara and Moss
Beach.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 11:30
Until: Jan 04, 2026 13:00
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation
above ground level is possible in low-lying near shorelines and
tidal waterways. For the Beach Hazards Statement, long period
northwesterly swell will result in strong rip currents, sneaker
waves, and breaking waves of up to 20 feet can be expected.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 21:46
Until: Jan 04, 2026 13:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Western Alameda County in northern California...
Central Contra Costa County in northern California...
* Until 500 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 205 AM PST, Doppler radar indicated heavy rain. Minor flooding
is ongoing or expected to begin shortly in the advisory area. Up
to 1 inch of rain has fallen.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Oakland, Fremont, Hayward, Concord, Berkeley, Richmond, San
Leandro, Mountain View, Alameda, San Ramon, Pleasanton, Union
City, Walnut Creek, Pittsburg, Dublin, Danville, Martinez,
Pleasant Hill, San Pablo and Lafayette.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 10:05
Until: Jan 04, 2026 13:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation
above ground level is possible in low-lying near shorelines and
tidal waterways. For the Beach Hazards Statement, long period
northwesterly swell will result in strong rip currents, sneaker
waves, and breaking waves of up to 20 feet can be expected.
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 21:46
Until: Jan 04, 2026 13:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation
above ground level is possible in low-lying near shorelines and
tidal waterways. For the Beach Hazards Statement, long period
northwesterly swell will result in strong rip currents, sneaker
waves, and breaking waves of up to 20 feet can be expected.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1 foot of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 21:46
Until: Jan 04, 2026 13:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Southeastern San Mateo County in northern California...
West Central Santa Clara County in northern California...
Central Santa Cruz County in northern California...
* Until 445 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 138 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 1 inch of rain has fallen.
- Additional rainfall amounts up to 2 inches are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
San Jose, Palo Alto, Santa Cruz, Cupertino, Campbell, Saratoga,
Los Gatos, Corralitos, Scotts Valley, Boulder Creek, Ben Lomond,
Felton, Aptos, Eureka Canyon Road, Uvas Canyon Park, Brown Valley
Road, Portola Valley, Monte Sereno, Lexington Hills and Day
Valley.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 09:38
Until: Jan 04, 2026 12:45
Beach Hazards Statement
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Saturday. For the
Coastal Flood Advisory, up to 2.0 ft inundation is
possible.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday.
For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST
Sunday. For the Beach Hazards Statement, from Sunday morning
through Sunday evening.
* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Beach Hazards Statement
* WHAT...Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with some road
closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Saturday. For the
Coastal Flood Advisory, up to 2.0 ft inundation is
possible.
* WHERE...Adjacent to the San Francisco and San Pablo Bays.
* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday.
For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST
Sunday.
* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Coastal Flood Advisory
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Saturday. For the
Coastal Flood Advisory, up to 2.0 ft inundation is
possible.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday.
For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST
Sunday. For the Beach Hazards Statement, from Sunday morning
through Sunday evening.
* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Coastal Flood Advisory
* WHAT...Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.
* WHERE...Pacific Coast from Sonoma County to Monterey County
including the Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday.
For the Beach Hazards Statement, from Sunday morning through
Sunday evening.
* IMPACTS...Flooding of lots, parks, and roads with some road
closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Coastal Flood Warning
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Saturday. For the
Coastal Flood Advisory, up to 2.0 ft inundation is
possible.
* WHERE...Adjacent to the San Francisco and San Pablo Bays.
* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday.
For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST
Sunday.
* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Coastal Flood Warning
* WHAT...For the Coastal Flood Warning, significant coastal
flooding expected due to high astronomical tides and storm
surge. Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways during the morning high tide Saturday. For the
Coastal Flood Advisory, up to 2.0 ft inundation is
possible.
* WHERE...San Francisco.
* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday.
For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST
Sunday. For the Beach Hazards Statement, from Sunday morning
through Sunday evening.
* IMPACTS...Numerous roads will be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Jan 03, 2026 06:59
Until: Jan 03, 2026 22:00
Wind Advisory
* WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected.
* WHERE...The Central Coast, The Salinas and Carmel Valleys and
Hollister Area, The Marin Hills, Western Sonoma County Hills, The
Santa Cruz Mountains, San Francisco, North Bay Interior Mountains,
Coastal North Bay Including Point Reyes National Seashore, San
Francisco Peninsula Coast, and East Bay Hills.
* WHEN...From 1 PM Friday to 1 PM PST Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 01, 2026 10:06
Until: Jan 02, 2026 14:00
Coastal Flood Advisory
* WHAT...Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.
* WHERE...San Francisco Bay and San Pablo Bay shoreline,
Monterey Bay shoreline, and the Pacific Coast.
* WHEN...Until 2 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.2 ft above normal (8.0 ft MLLW) at 9:34 AM Friday 1/2
2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3
1.8 ft above normal (7.6 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat.
High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.
From: Jan 01, 2026 21:20
Until: Jan 02, 2026 13:00
Coastal Flood Advisory
* WHAT...Up to 2.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.
* WHERE...San Francisco Bay and San Pablo Bay shoreline,
Monterey Bay shoreline, and the Pacific Coast.
* WHEN...Until 2 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.0 ft above normal (7.8 ft MLLW) at 8:41 AM Thursday 1/1
2.2 ft above normal (8.0 ft MLLW) at 9:34 AM Friday 1/2
2.5 ft above normal (8.30 ft MLLW) at 10:26 AM Saturday 1/3
1.8 ft above normal (7.6 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.3 feet of storm surge that
will enhance the astronomical tide and flooding threat.
High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.
From: Jan 01, 2026 13:10
Until: Jan 01, 2026 22:00
Coastal Flood Advisory
* WHAT...Up to 2.2 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.
* WHERE...San Francisco Bay and San Pablo Bay shoreline,
Monterey Bay shoreline, and the Pacific Coast.
* WHEN...Until 2 PM PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
tide is expected to be:
2.0 ft above normal (7.8 ft MLLW) at 8:41 AM Thursday 1/1
2.2 ft above normal (8.0 ft MLLW) at 9:34 AM Friday 1/2
2.2 ft above normal (8.0 ft MLLW) at 10:26 AM Saturday 1/3
1.8 ft above normal (7.6 ft MLLW) at 11:18 AM Sunday 1/4
These predictions include up to 1.0 feet of storm surge that
will enhance the astronomical tide and flooding threat. High
tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.
From: Dec 31, 2025 20:30
Until: Jan 01, 2026 13:00
