Synopsis: The Northeast Monsoon continues to affect Luzon, while the Shear Line impacts the Visayas region.

Forecast Weather Conditions
- Visayas, Albay, Sorsogon, Catanduanes, Masbate, and Dinagat Islands
- Weather: Cloudy skies with scattered rains and isolated thunderstorms
- Cause: Shear Line
- Impacts: Possible flash floods or landslides due to moderate to heavy rains
- Davao Region, Zamboanga Peninsula, Sarangani, Basilan, Sulu, Tawi-Tawi, and Palawan
- Weather: Cloudy skies with scattered rains and thunderstorms
- Cause: Easterlies
- Impacts: Possible flash floods or landslides due to moderate to at times heavy rains
- Cagayan Valley, Apayao, Aurora, Quezon, and the rest of the Bicol Region
- Weather: Cloudy skies with rains
- Cause: Northeast Monsoon
- Impacts: Possible flash floods or landslides due to moderate to at times heavy rains
- Metro Manila and the rest of Luzon
- Weather: Partly cloudy to cloudy skies with isolated light rains
- Cause: Northeast Monsoon
- Impacts: No significant impact
- The rest of the country
- Weather: Partly cloudy to cloudy skies with isolated rain showers or thunderstorms
- Cause: Easterlies
- Impacts: Possible flash floods or landslides during severe thunderstorms
Forecast Wind and Coastal Water Conditions
- Eastern sections of Southern Luzon and Visayas
- Wind Speed: Strong
- Direction: Northeast
- Coastal Waters: Rough (2.8 to 4.0 meters)
- The rest of Luzon
- Wind Speed: Moderate to Strong
- Direction: Northeast
- Coastal Waters: Moderate to Rough (1.5 to 3.5 meters)
Heavy Rainfall Outlook Due to Shear Line
Today:
- Moderate to Heavy (50-100 mm): Sorsogon, Masbate, Northern Samar, Eastern Samar, Samar, Biliran, Leyte, and Southern Leyte

Tomorrow:
- Moderate to Heavy (50-100 mm): Eastern Samar, Southern Leyte, Dinagat Islands, and Surigao del Norte
Forecast rainfall may be higher in mountainous and elevated areas. Impacts may be worsened by significant antecedent rainfall.
General Flood Advisories Issued at 6 AM, March 21, 2025
- Region 5 (Bicol Region): GFA #1
- Region 7 (Central Visayas): GFA #3
- Region 8 (Eastern Visayas): GFA #6
- Region 11 (Davao Region): GFA #2