Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Monday
NW 7kt
3ft
Monday Night
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: 2:09 am PST Dec 8, 2025
Forecast Valid: 4am PST Dec 8, 2025-6pm PST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Monday

NE wind 5 to 7 kt becoming NW in the morning. Partly sunny. Mixed swell...W 3 ft at 11 seconds and SSW 1 to 2 ft at 13 seconds. Wind waves 1 ft or less.

Monday Night

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.