Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

6NM W San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
WNW 10kt
2ft
Tuesday
⇑W 6kt
3-4ft
Tuesday Night
⇑WSW 9kt
4ft
Wednesday
SSW 8kt
4ft
Wednesday Night
W 7kt
4ft
Thursday
W 6kt
3-4ft
Thursday Night
SSW 8kt
3ft
Friday
S 16kt
3ft
Friday Night
SW 13kt
3-4ft

Associated Zone Forecast which includes this point

Last Update: 12:27 pm PST Dec 15, 2025
Forecast Valid: 4pm PST Dec 15, 2025-6pm PST Dec 22, 2025

View Nearby Observations

Detailed Forecast

Tonight

WNW wind 6 to 10 kt. Increasing clouds. Mixed swell...W 2 ft at 9 seconds and SSW 1 ft at 10 seconds decreasing to at 7 seconds . Wind waves around 1 ft.

Tuesday

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Rain likely, mainly after 4pm. Mixed swell...W 4 ft at 12 seconds and SSW 2 ft at 8 seconds building to at 12 seconds . Wind waves 1 ft or less.

Tuesday Night

Variable winds less than 5 kt becoming WSW 5 to 9 kt in the evening. Rain. Mixed swell...W 3 to 4 ft at 12 seconds and S 2 to 3 ft at 13 seconds decreasing to at 6 seconds . Wind waves around 1 ft.

Wednesday

SSW wind around 8 kt becoming W in the afternoon. Rain, mainly before 10am. Mixed swell...W 3 ft and SSW 2 ft. Wind waves around 1 ft.

Wednesday Night

W wind 5 to 7 kt. A chance of rain, mainly between 10pm and 4am. Mixed swell...W 4 ft and S 2 ft. Wind waves around 1 ft.

Thursday

W wind around 6 kt. A chance of rain, mainly after 10am. Mixed swell...WNW 3 ft and S 3 ft. Wind waves around 1 ft.

Thursday Night

SSW wind 6 to 8 kt. A chance of rain. Mixed swell...W 3 ft and SSW 2 ft. Wind waves around 1 ft.

Friday

S wind 12 to 16 kt. Rain. Mixed swell...W 3 ft and S 1 ft. Wind waves 2 to 3 ft.

Friday Night

SW wind around 13 kt. Rain. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 2 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 3 feet at 11 seconds. ACROSS THE BAR...Mixed seas of 3 to 4 feet at 11 seconds. Maximum ebb current of 1.0 kt at 01:29 AM Tuesday and 3.0 kt at 01:57 PM Tuesday.

*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.