Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
NNW 6kt⇓
5ft
Wednesday
Light Wind
5ft
Wednesday Night
Light Wind
5ft
Thursday
Light Wind
6ft
Thursday Night
Light Wind
6ft
Friday
Light Wind
5ft
Friday Night
Light Wind
4ft
Saturday
Light Wind
3-4ft
Saturday Night
Light Wind
3ft

Associated Zone Forecast which includes this point

Last Update: 12:26 pm PST Dec 9, 2025
Forecast Valid: 4pm PST Dec 9, 2025-6pm PST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Tonight

NNW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Mixed swell...WNW 5 ft at 12 seconds and S 1 ft at 13 seconds. Wind waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Sunny. Mixed swell...W 5 ft at 13 seconds and S 1 ft at 12 seconds becoming SW. Wind waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Mixed swell...WNW 6 ft at 13 seconds and S 1 ft at 15 seconds. Wind waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 6 ft and S 3 ft becoming SW. Wind waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Patchy fog. Mixed swell...WNW 6 ft and S 1 ft. Wind waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Mixed swell...W 5 to 6 ft and SSW 1 ft. Wind waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Patchy fog before 3am. Mixed swell...W 4 to 5 ft and S 1 ft. Wind waves 1 ft or less.

Saturday

Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 3 to 4 ft and S 1 ft. Wind waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 2 to 3 ft and S 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.