Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

This Afternoon
NW 7kt
3ft
Tonight
NW 8kt
4ft
Tuesday
NW 7kt
4ft
Tuesday Night
N 8kt
5ft
Wednesday
NW 6kt
5ft
Wednesday Night
N 7kt
5ft
Thursday
Light Wind
5-6ft
Thursday Night
Light Wind
6ft
Friday
Light Wind
5ft

Associated Zone Forecast which includes this point

Last Update: 12:26 pm PST Dec 8, 2025
Forecast Valid: 2pm PST Dec 8, 2025-6pm PST Dec 14, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

NW wind around 7 kt. Mostly sunny. Mixed swell...W 3 ft at 11 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.

Tonight

NW wind 6 to 8 kt. Mostly cloudy. Mixed swell...W 4 ft at 11 seconds and SW 1 ft at 13 seconds. Wind waves around 1 ft.

Tuesday

N wind 5 to 7 kt becoming NW in the afternoon. Mostly cloudy, then gradually becoming sunny. Mixed swell...WNW 4 ft at 12 seconds and SW 2 ft at 12 seconds. Wind waves around 1 ft.

Tuesday Night

N wind 6 to 8 kt. Partly cloudy. Mixed swell...W 5 ft and S 1 ft. Wind waves around 1 ft.

Wednesday

N wind around 6 kt becoming NW in the afternoon. Mostly sunny. Mixed swell...W 5 ft and S 1 ft. Wind waves 1 ft or less.

Wednesday Night

N wind 5 to 7 kt. Partly cloudy. Mixed swell...WNW 6 ft and S 1 ft. Wind waves around 1 ft.

Thursday

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

Thursday Night

Variable winds 5 kt or less. Patchy fog after 10pm. Mixed swell...WNW 6 ft and SW 1 to 2 ft becoming S. Wind waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Mixed swell...W 5 to 6 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.