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

17NM SSW San Francisco CA

Marine Point Forecast

[NOTICE]

This Afternoon
NNW 8kt
4ft
Tonight
N 6kt
4ft
Monday
NNW 8kt
3-4ft
Monday Night
NNW 7kt
3-4ft
Tuesday
N 9kt
4ft
Tuesday Night
N 7kt
5ft
Wednesday
N 8kt
5ft
Wednesday Night
N 7kt
5ft
Thursday
N 8kt
5ft

Associated Zone Forecast which includes this point

Last Update: 12:41 pm PST Dec 7, 2025
Forecast Valid: 1pm PST Dec 7, 2025-6pm PST Dec 13, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind around 8 kt. Partly sunny. Mixed swell...WNW 4 ft at 12 seconds and SSW 1 ft at 14 seconds. Wind waves around 1 ft.

Tonight

N wind around 6 kt. Mostly clear. Mixed swell...WNW 4 ft at 7 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.

Monday

NNW wind around 8 kt. Sunny. Mixed swell...WNW 3 ft at 6 seconds and SSW 1 ft at 13 seconds. Wind waves around 1 ft.

Monday Night

NNW wind around 7 kt. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 1 ft.

Tuesday

N wind 7 to 9 kt. Mostly sunny. Mixed swell...WNW 4 ft and S 1 ft. Wind waves around 1 ft.

Tuesday Night

N wind around 7 kt. Partly cloudy. Mixed swell...W 5 ft and SSW 1 ft. Wind waves around 1 ft.

Wednesday

N wind around 8 kt. Mostly sunny. Mixed swell...WNW 4 to 5 ft and SW 3 ft. Wind waves around 1 ft.

Wednesday Night

N wind around 7 kt. Partly cloudy. Mixed swell...WNW 5 ft and SW 1 to 3 ft becoming SSW. Wind waves around 1 ft.

Thursday

N wind around 8 kt. Mostly sunny. Mixed swell...WNW 5 ft and SSW 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 4 feet at 7 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 feet at 7 seconds. Maximum ebb current of 4.0 kt at 05:21 PM Sunday and 1.4 kt at 07:01 AM Monday.

*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.