Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon.
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Hazardous Weather Conditions

Small Craft Advisory in effect from April 20, 03:00 PM PDT until April 21, 03:00 AM PDT

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

This
Afternoon
W 18km/h
1m
Tonight

WNW 16km/h
1m
Saturday

WNW 32km/h
1m

Small Craft Advisory
Saturday
Night
NW 40km/h
1-2m

Small Craft Advisory
Sunday

WNW 27km/h
1m
Sunday
Night
NNW 29km/h
2m
Monday

W 16km/h
2m
Monday
Night
SW 18km/h
1m
Tuesday

SW 23km/h
1m

Associated Zone Forecast which includes this point

Last Update: 8:33 am PDT Apr 19, 2024
Forecast Valid: 12pm PDT Apr 19, 2024-6pm PDT Apr 25, 2024

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind 13 to 18 km/h becoming W. Partly sunny. . Wind waves 1 m or less.

Tonight

WNW wind 11 to 16 km/h. Mostly cloudy. . Wind waves around 1 m.

Saturday

WNW wind 16 to 21 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 40 km/h. Sunny. . Wind waves around 1 m.

Saturday Night

NW wind 35 to 40 km/h decreasing to 29 to 34 km/h after midnight. Winds could gust as high as 55 km/h. Mostly clear. . Wind waves 1 to 2 m.

Sunday

WNW wind 18 to 27 km/h, with gusts as high as 35 km/h. Sunny. W swell 1 ft becoming WSW. Wind waves around 1 m.

Sunday Night

NNW wind 24 to 29 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h. Mostly clear. W swell 1 ft. Wind waves around 1 m.

Monday

NNW wind 10 to 16 km/h becoming WSW in the morning. Mostly sunny. W swell 1 ft. Wind waves around 1 m.

Monday Night

SW wind 14 to 18 km/h. Partly cloudy. W swell 1 ft. Wind waves around 1 m.

Tuesday

SW wind 14 to 23 km/h, with gusts as high as 34 km/h. Partly sunny. W swell 1 ft. Wind waves around 1 m.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.