Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

10NM SSW San Francisco CA

Marine Point Forecast

[NOTICE]

This Afternoon
N 10kt
4ft
Tonight
ENE 10kt
4ft
Thursday
E 11kt
4ft
Thursday Night
E 9kt
3ft
Friday
ENE 12kt
3ft
Friday Night
NNE 10kt
2-3ft
Saturday
NE 12kt
2ft
Saturday Night
NNE 9kt
2ft
Sunday
NE 11kt
3ft

Associated Zone Forecast which includes this point

Last Update: 1:24 pm PST Jan 14, 2026
Forecast Valid: 3pm PST Jan 14, 2026-6pm PST Jan 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 10 kt. Sunny. Mixed swell...W 4 ft at 12 seconds and SW 1 ft at 7 seconds. Wind waves around 2 ft.

Tonight

ENE wind around 10 kt. Mostly clear. Mixed swell...WNW 4 ft at 15 seconds and SW 1 ft at 15 seconds decreasing to at 10 seconds . Wind waves around 1 ft.

Thursday

E wind 8 to 11 kt. Sunny. Mixed swell...WNW 3 to 4 ft at 14 seconds and SSW 2 ft at 10 seconds. Wind waves around 2 ft.

Thursday Night

E wind 7 to 9 kt. Mostly clear. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves around 1 ft.

Friday

ENE wind around 12 kt. Sunny. Mixed swell...WNW 3 ft and SSW 1 ft becoming S. Wind waves around 2 ft.

Friday Night

NNE wind 8 to 10 kt. Mostly clear. Mixed swell...WNW 2 to 3 ft and S 1 ft. Wind waves around 1 ft.

Saturday

NE wind 10 to 12 kt. Sunny. Mixed swell...WNW 1 to 2 ft and SSW 1 ft. Wind waves around 2 ft.

Saturday Night

NNE wind around 9 kt. Partly cloudy. Mixed swell...W 2 ft and SSW 1 ft. Wind waves around 1 ft.

Sunday

NE wind around 11 kt. Sunny. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 5 to 7 feet at 15 seconds...decreasing to 4 to 6 feet at 13 seconds late Monday night. ACROSS THE BAR...Mixed seas of 9 to 12 feet at 15 seconds...decreasing to 7 to 10 feet at 13 seconds late Monday night. Maximum ebb current of 0.9 kt at 01:52 AM Thursday and 2.5 kt at 01:44 PM Thursday.

*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.