Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

39NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
4ft
Thursday
⇑WNW 7kt
4ft
Thursday Night
Light Wind
4ft
Friday
Light Wind
3-4ft
Friday Night
Light Wind
3ft
Saturday
S 6kt
2-3ft
Saturday Night
Light Wind
2ft
Sunday
Light Wind
1-2ft
Sunday Night
Light Wind
1ft

Associated Zone Forecast which includes this point

Last Update: 12:37 pm PST Dec 10, 2025
Forecast Valid: 4pm PST Dec 10, 2025-6pm PST Dec 17, 2025

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Areas of fog. Mixed swell...WNW 5 ft at 13 seconds and S 1 to 2 ft at 15 seconds. Wind waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming WNW 5 to 7 kt in the afternoon. Sunny. Mixed swell...W 5 ft at 14 seconds and S 1 ft at 15 seconds. Wind waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Patchy fog before 1am. Mixed swell...WNW 5 ft at 15 seconds and SW 2 ft at 15 seconds. Wind waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Mixed swell...W 5 ft and SW 1 ft. Wind waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Patchy fog before 10pm. Mixed swell...W 4 ft and SW 1 ft. Wind waves 1 ft or less.

Saturday

E wind around 6 kt becoming S in the afternoon. Sunny. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Patchy fog after 10pm. Mixed swell...W 2 to 3 ft and SSW 1 ft. Wind waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Partly sunny. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A slight chance of showers. Areas of fog. Mixed swell...W 2 ft and SSW 1 ft. Wind waves 1 ft or less.

*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.