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 S San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Monday
N 8kt
< 1ft
Monday Night
Light Wind
< 1ft
Tuesday
N 8kt
< 1ft
Tuesday Night
Light Wind
< 1ft
Wednesday
N 8kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
N 8kt
< 1ft
Thursday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 6:20 pm PST Dec 7, 2025
Forecast Valid: 6pm PST Dec 7, 2025-6pm PST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Widespread fog, mainly between midnight and 3am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Monday

NE wind 5 to 8 kt becoming NNW in the afternoon. Areas of fog before 9am, then Patchy fog after 5pm. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Widespread dense fog, mainly between 1am and 4am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Tuesday

N wind 5 to 8 kt. Areas of dense fog before 10am. N swell 0 ft. Wind waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Areas of dense fog. N swell 0 ft. Wind waves 1 ft or less.

Wednesday

N wind 5 to 8 kt. Areas of fog before 9am. N swell 0 ft. Wind waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Areas of fog. N swell 0 ft. Wind waves 1 ft or less.

Thursday

N wind 5 to 8 kt. Patchy fog before 9am. N swell 0 ft. Wind waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Patchy fog. N swell 0 ft. Wind waves 1 ft or less.

.....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.