General Flood Advisory (Moderate)
Under present weather conditions, Intertropical Convergence Zone (ITCZ) affecting Palawan, Visayas, and Mindanao. Northeast Monsoon affecting Northern Luzon. Shear Line affecting Central Luzon.
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The 12-hour rainfall forecast is light to moderate rains and thunderstorms.
WATERCOURSES LIKELY TO BE AFFECTED :
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
+ **Biliran** - All rivers and its tributaries
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
From: Nov 15, 2025 21:19
Until: Nov 16, 2025 09:19
General Flood Advisory (Moderate)
Under present weather conditions, Intertropical Convergence Zone (ITCZ) affecting Palawan, Visayas, and Mindanao.
The 12-hour rainfall forecast is light to moderate rains and thunderstorms.
WATERCOURSES STILL LIKELY TO BE AFFECTED :
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
+ **Biliran** - All rivers and its tributaries
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
From: Nov 14, 2025 21:28
Until: Nov 15, 2025 09:28
General Flood Advisory (Extreme)
Under present weather conditions, At 3:00 AM today, the center of the eye of Typhoon "UWAN" {FUNG-WONG} was estimated based on all available data at 230 km East of Virac, Catanduanes (13.8ºN, 126.3ºE) with maximum sustained winds of 175 km/h near the center and gustiness of up to 215 km/h. It is moving West Northwestward at 35 km/h. .
The 12-hour rainfall forecast is heavy rains and thunderstorms.
WATERCOURSES LIKELY TO BE AFFECTED :
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Biliran** - All rivers and its tributaries
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
From: Nov 08, 2025 21:01
Until: Nov 09, 2025 09:01
General Flood Advisory (Severe)
Under present weather conditions, Intertropical Convergence Zone (ITCZ) affecting Palawan, Visayas, and Mindanao. Northeast Monsoon affecting Extreme Northern Luzon.
The 12-hour rainfall forecast is light to moderate rains and thunderstorms.
WATERCOURSES LIKELY TO BE AFFECTED :
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Biliran** - All rivers and its tributaries
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
From: Oct 28, 2025 21:23
Until: Oct 29, 2025 09:23
Tropical Cyclone Alert
THE LOW PRESSURE AREA EAST OF TAIWAN DEVELOPED INTO TROPICAL DEPRESSION SALOME.
Location of eye/center : The center of the eye was estimated based on all available data at 255 km North Northeast of Itbayat, Batanes (22.7, 123.2).
Strength : Maximum winds of 55 kph near the centerand gustiness of up to 70 kph.
Forecast movement : Forecast to move South Southwestward at 15 kph
Forecast position :
Oct 22, 2025 08:00 PM - 60 km Northeast of Itbayat, Batanes
Oct 23, 2025 08:00 AM - 70 km Northwest of Calayan, Cagayan
Oct 23, 2025 08:00 PM - 90 km Northwest of Laoag City, Ilocos Norte
Oct 24, 2025 08:00 AM - 250 km West of Sinait, Ilocos Sur
Oct 24, 2025 08:00 PM - 400 km West of Bacnotan, La Union (OUTSIDE PAR)
HAZARDS AFFECTING LAND AREAS
Heavy Rainfall Outlook
Refer to Weather Advisory No. 1 issued at 11:00 AM today for the heavy rainfall outlook due to Tropical Cyclone SALOME.
Severe Winds
The wind signals warn the public of the general wind threat over an area due to the tropical cyclone. Local winds may be slightly stronger/enhanced in coastal and upland/mountainous areas exposed to winds. Winds are less strong in areas sheltered from the prevailing wind direction.
Minimal to minor impacts from strong winds are possible within any of the areas under Wind Signal No. 1.
The highest Wind Signal that will likely be hoisted throughout its passage is Wind Signal No. 1. However, the possibility of reaching tropical storm category is not ruled out, the worst case scenario is Wind Signal No. 2.
Furthermore northeasterly windflow will also bring strong to gale-force gusts over the following areas not under Wind Signal (especially in coastal and upland areas exposed to winds):
Today: Ilocos Region and Cagayan.
HAZARDS AFFECTING COASTAL WATERS
Gale Warning is in effect over the seaboard of Extreme Northern Luzon. Refer to Gale Warning No. 2 issued at 5:00 AM today.
24-Hour Sea Condition Outlook
Up to very rough seas over the following coastal waters:
Up to 4.5 m: The seaboard of Batanes.
Sea travel is risky for all types or tonnage of vessels. All mariners must remain in port or, if underway, seek shelter or safe harbor as soon as possible until winds and waves subside.
Up to rough seas over the following coastal waters:
Up to 4.0 m: The seaboards of Babuyan Islands.
Up to 3.5 m: The seaboards of Ilocos Norte and Ilocos Sur; the northern seaboard of mainland Cagayan; the western seaboards of Pangasinan.
Mariners of small seacrafts, including all types of motorbancas, are advised not to venture out to sea under these conditions, especially if inexperienced of operating ill-equipped vessels.
Up to moderate to rough seas over the following coastal waters:
Up to 2.5 m: The seaboards of Isabela and La Union; the remaining seaboards of Cagayan and Pangasinan; the northern and eastern seaboards of Camarines Norte, Camarines Sur, Catanduanes, Northern Samar, and Eastern Samar.
Mariners of motorbancas and similarly sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions.
TRACK AND INTENSITY OUTLOOK
SALOME is forecast to move generally southwestward throughout the forecast period. On the forecast track, SALOME may pass close or make landfall over Batanes between tonight to tomorrow (23 October) early morning. This weather disturbance may also pass close or over Babuyan Islands by tomorrow morning, and in Ilocos Norte by tomorrow afternoon. SALOME may exit the Philippine Area of Responsibility on Friday (24 October) afternoon or evening.
SALOME is likely to remain a tropical depression throughout the forecast period before weakening into a remnant low on Friday, but slight intensification into a tropical storm is not ruled out.
From: Oct 22, 2025 05:14
Until: Oct 22, 2025 18:13
General Flood Advisory (Moderate)
Under present weather conditions, At 3:00 AM today, the Low Pressure Area (LPA) was estimated based on all available data at 370 km North Northeast of Itbayat, Batanes (23.8°N, 123.3°E). Intertropical Convergence Zone (ITCZ) affecting Mindanao. Easterlies affecting the eastern sections of Luzon and Visayas.
The 12-hour rainfall forecast is light to moderate rains or thunderstorms.
WATERCOURSES LIKELY TO BE AFFECTED :
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Biliran** - All rivers and its tributaries
From: Oct 21, 2025 21:21
Until: Oct 22, 2025 09:21
General Flood Advisory (Moderate)
Under present weather conditions, At 3:00 AM today, the Low Pressure Area (LPA) was estimated based on all available data at 1,080 km East of Southeastern Luzon (14.1°N 133.0°E). Easterlies affecting the country.
The 12-hour rainfall forecast is light to moderate rains and thunderstorms.
WATERCOURSES LIKELY TO BE AFFECTED :
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Biliran** - All rivers and its tributaries
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
From: Sep 30, 2025 21:30
Until: Oct 01, 2025 09:30
Tropical Cyclone Alert
OPONG IS NOW OUTSIDE THE PHILIPPINE AREA OF RESPONSIBILITY.
Location of eye/center : The center of Typhoon OPONG was estimated based on all available data at at 645 km West of Sangley Pt, Cavite City, Cavite (14.6, 114.9).
Strength : Maximum winds of 120 kph near the centerand gustiness of up to 150 kph.
Forecast movement : Forecast to move West Northwestward at 35 kph
Forecast position :
Sep 27, 2025 08:00 PM - 855 km West of Central Luzon (OUTSIDE PAR)
Sep 28, 2025 08:00 AM - 1,160 km West of Northern Luzon (OUTSIDE PAR)
HAZARDS AFFECTING LAND AREAS
Severe Winds
The Southwest Monsoon enhanced by OPONG, will bring strong to gale-force gusts over the following (especially in coastal and upland areas exposed to winds):
Today: Luzon, Western Visayas, and Negros Occidental
HAZARDS AFFECTING COASTAL WATERS
24-Hour Sea Condition Outlook
Up to rough seas over the following coastal waters:
Up to 3.5 m: The seaboards of Lubang Island and Kalayaan Islands.
Up to 3.0 m: The seaboards of Batanes, Cagayan including Babuyan Islands, Isabela, Ilocos Norte, and Zambales; the western seaboards of Bataan, Calamian Islands, and Northern Palawan.
Mariners of small seacrafts, including all types of motorbancas, are advised not to venture out to sea under these conditions, especially if inexperienced of operating ill-equipped vessels.
Up to moderate seas over the following coastal waters:
Up to 2.5 m: The eastern seaboards of Aurora; the northern and eastern seaboards of Polillo Islands; the western seaboards of Occidental Mindoro and Palawan.
Mariners of motorbancas and similarly-sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions.
TRACK AND INTENSITY OUTLOOK
On the track forecast, OPONG will move generally west northwestward towards northern Vietnam.
OPONG is forecast to intensify further as it approaches northern Vietnam.
From: Sep 27, 2025 02:55
Until: Sep 27, 2025 15:49
General Flood Advisory (Final)
Under present weather conditions, At 3:00 AM today, the center of Typhoon "OPONG" {BUALOI} was estimated based on all available data at 470 km West of Ambulong, Tanauan City, Batangas (14.1°N, 116.7°E), with maximum sustained winds of 120 km/h near the center and gustiness up to 150 km/h. It is moving West Northwestward at 30 km/h. Southwest Monsoon affecting Palawan, Visayas, and the western section of Mindanao.
The 12-hour rainfall forecast is light rains and thunderstorms.
WATERCOURSES NO LONGER TO BE AFFECTED :
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Biliran** - All rivers and its tributaries
From: Sep 26, 2025 21:18
Until: Sep 27, 2025 09:18
General Flood Advisory (Extreme)
Under present weather conditions, At 3:00 AM today, the center of Severe Tropical Storm "OPONG" {BUALOI} was estimated based on all available data in the vicinity of San Isidro, Northern Samar (12.3°N, 124.4°E), with maximum sustained winds of 110 km/h near the center and gustiness up to 150 km/h. It is moving West Northwestward at 30 km/h. Southwest Monsoon affecting Palawan and the western sections of Visayas and Mindanao.
The 12-hour rainfall forecast is MODERATE TO heavy rains.
WATERCOURSES STILL LIKELY TO BE AFFECTED :
+ **Eastern Samar** - Rivers and its tributaries particularly Oras, Dolores, Ulot, Taft, Borongan, Suribao, Llorente, Balangiga and Sulat.
+ **Northern Samar** - Rivers and its tributaries particularly Catarman, Bugko, Pambujan, Catubig, Palapag, Mawo and Gamay.
+ **Samar** - Rivers and its tributaries particularly Basey, Silanga, Calbiga and Jibatan.
+ **Southern Leyte** - Rivers and its tributaries particularly Bisay, Himbangan and Pandan.
+ **Leyte** - Rivers and its tributaries particularly Sangputan, Palo, Solano (Quilot), Daguitan Marabang, Cadac-an, Bongquirogon, Salug, Pagbangahan, Pagsangahan and Binahaan.
+ **Biliran** - All rivers and its tributaries
From: Sep 25, 2025 21:27
Until: Sep 26, 2025 09:27
