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San Mateo, United States
Click any image to view larger versionPast Weather Alerts
5 of 158Extreme Cold Warning
* WHAT...Very cold conditions with sub-freezing temperatures in the mid-20s to low-30s expected. * ...
High Surf Advisory
* WHAT...Large breaking waves of 18 to 22 feet, with continuing increased risk of sneaker waves and ...
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low-to-mid 30s expected. * WHERE...The Marin Hill...
Winter Weather Advisory
...WINTER WEATHER ADVISORY THROUGH WEDNESDAY AFTERNOON... .Cold air will continue to move into the ...
Extreme Cold Warning
* WHAT...Very cold conditions with temperatures as low as 24 expected. * WHERE...Eastern Santa Clar...
Past Weather Alerts for San Mateo
Extreme Cold Warning
* WHAT...Very cold conditions with sub-freezing temperatures in the mid-20s to low-30s expected. * WHERE...The East Bay Hills and Valleys, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, North Bay Interior Valleys, 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.
High Surf Advisory
* WHAT...Large breaking waves of 18 to 22 feet, with continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...Until 9 AM PST Friday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low-to-mid 30s expected. * WHERE...The Marin Hills, Western Sonoma County Hills, Northern Monterey Bay, The Santa Cruz Mountains, The Santa Clara Valley, Coastal North Bay Including Point Reyes National Seashore, San Francisco Bay Shoreline, 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.
Winter Weather Advisory
...WINTER WEATHER ADVISORY THROUGH WEDNESDAY AFTERNOON... .Cold air will continue to move into the region today through Wednesday afternoon with accumulating snowfall expected across areas above 3000 feet in the Santa Lucia range and the mountains of San Benito and eastern Santa Clara Counties. Total snow accumulations range from 4 to 10 inches with the highest peaks reaching accumulations of 15 to 25 inches. If planning travel to the higher elevations of the Central Coast and eastern Santa Clara County, allow extra time to reach your destination safely. * WHAT...Accumulating snow for elevations above 3000 feet. Elevations below 3000 feet will see no accumulating snow to a dusting. Above 3000 feet total snow accumulations of 4 to 8 inches. * WHERE...Elevations above 3000 feet for the Santa Clara Hills. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Slick, snow-covered roads, like Hwy 130, and hiking trails. Hikers, outdoor enthusiasts may encounter dangerous winter conditions above the snow level. Heavier snow showers could produce limited visibilities. Downed trees and power outages possible. * ADDITIONAL DETAILS...Wind gusts 25 to 40 mph above 2000 feet. The combination of wind and snow will reduce visibilities.
Extreme Cold Warning
* WHAT...Very cold conditions with temperatures as low as 24 expected. * WHERE...Eastern Santa Clara Hills. * WHEN...Until 9 AM PST Wednesday. * 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. * ADDITIONAL DETAILS...Hikers, outdoor enthusiasts will encounter dangerously cold conditions over the higher peaks.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 33 expected in the Santa Cruz Mountains. Cold conditions with temperatures as low as 34 expected in southern Santa Clara county and mid to upper 30s near San Jose. * WHERE...The Santa Cruz Mountains, and The Santa Clara Valley. * WHEN...Until 9 AM PST Wednesday. * 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.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 32 expected. * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio, North Bay Interior Mountains, and North Bay Interior Valleys. * WHEN...Until 9 AM PST Wednesday. * 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.
Coastal Flood Advisory
* WHAT...Up to 1.3 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay and San Pablo Bay. * WHEN...Until noon 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: 1.3 ft above normal (7.20 ft MLLW) at 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. For the Coastal Flood Advisory, up to 1.3 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Coastal Flood Advisory, until noon PST Sunday. For the Beach Hazards Statement, through Monday morning. * 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: 1.3 ft above normal (7.20 ft MLLW) at 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Beach Hazards Statement
* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. For the Coastal Flood Advisory, up to 1.3 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Coastal Flood Advisory, until noon PST Sunday. For the Beach Hazards Statement, through Monday morning. * 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: 1.3 ft above normal (7.20 ft MLLW) at 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Beach Hazards Statement
* WHAT...An increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. * WHERE...Pacific Coast beaches. * WHEN...Through Monday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.
Beach Hazards Statement
* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. For the Coastal Flood Advisory, up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Beach Hazards Statement, from 9 PM PST this evening through 9 AM PST Friday morning. For the Coastal Flood Advisory, from 6 AM PST Thursday to noon 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 (7.02 ft MLLW) at 7:34 AM Thursday 1/29, 1.1 ft above normal (6.98 ft MLLW) at 8:34 AM Friday 1/30, 1.4 ft above normal (7.24 ft MLLW) at 9:30 AM Saturday 1/31, 1.3 ft above normal (7.16 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.4 ft of storm surge that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. For the Coastal Flood Advisory, up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Beach Hazards Statement, from 9 PM PST this evening through 9 AM PST Friday morning. For the Coastal Flood Advisory, from 6 AM PST Thursday to noon 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 (7.02 ft MLLW) at 7:34 AM Thursday 1/29, 1.1 ft above normal (6.98 ft MLLW) at 8:34 AM Friday 1/30, 1.4 ft above normal (7.24 ft MLLW) at 9:30 AM Saturday 1/31, 1.3 ft above normal (7.16 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.4 ft of storm surge that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...Up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay and San Pablo Bay. * WHEN...From 6 AM Thursday to noon 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: 1.2 ft above normal (7.02 ft MLLW) at 7:34 AM Thursday 1/29, 1.1 ft above normal (6.98 ft MLLW) at 8:34 AM Friday 1/30, 1.4 ft above normal (7.24 ft MLLW) at 9:30 AM Saturday 1/31, 1.3 ft above normal (7.16 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.4 ft of storm surge that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Beach Hazards Statement
* WHAT...An increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. * WHERE...Pacific Coast beaches. * WHEN...From 9 PM PST this evening through 9 AM PST Friday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.
Beach Hazards Statement
* WHAT...An increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. * WHERE...Pacific Coast beaches. * WHEN...From 9 PM PST this evening through Friday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures between 33 and 36 expected. Some outlying regions of the North Bay, East Bay, and extreme interior Central Coast may see temperatures as low as 30 degrees. * WHERE...Interior valleys of the North and East Bay, the Southern Salinas Valley, and interior portions of the Central Coast. * WHEN...From 1 AM to 9 AM PST Tuesday. * 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. * ADDITIONAL DETAILS...Conditions in the far southern Salinas Valley will be colder with temperatures in the low 30s.
Beach Hazards Statement
* WHAT...Hazardous beach conditions expected with increased risk for rip currents, sneaker waves, and larger shore break. * WHERE...Pacific Coast from Sonoma county to Monterey county. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low to mid 30s expected. * WHERE...The Santa Clara Valley and Eastern Hills, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Valleys, and East Bay Interior Valleys. * WHEN...Until 9 AM PST Sunday. * 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.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 35 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.
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.
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.
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.
Coastal Flood Advisory
* WHAT...Up to 1.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Low-lying areas adjacent to the San Francisco Bay. * 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. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...Up to 1.2 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. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...Up to 1.2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Parts of San Francisco adjacent to San Francisco Bay. * 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. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
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
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.
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
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.
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.
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.