Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

17NM W San Francisco CA

Marine Point Forecast

[NOTICE]

Today
E 6kt⇓
4-5ft
Tonight
Light Wind
4ft
Thursday
⇑WNW 6kt
3ft
Thursday Night
WNW 8kt
4ft
Friday
Light Wind
4-5ft
Friday Night
N 6kt
5ft
Saturday
NE 8kt
4ft
Saturday Night
Light Wind
4ft
Sunday
ENE 8kt
3ft

Associated Zone Forecast which includes this point

Last Update: 2:13 am PST Jan 21, 2026
Forecast Valid: 5am PST Jan 21, 2026-6pm PST Jan 27, 2026

View Nearby Observations

Detailed Forecast

Today

E wind around 6 kt becoming variable and less than 5 kt in the afternoon. A slight chance of rain after 4pm. Mixed swell...W 4 to 5 ft at 13 seconds and SSW 1 ft at 12 seconds building to at 15 seconds . Wind waves around 1 ft.

Tonight

Variable winds 5 kt or less. A slight chance of rain before 10pm. Mixed swell...W 4 ft at 12 seconds and SW 1 ft at 17 seconds decreasing to at 10 seconds . Wind waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Partly sunny. Mixed swell...W 3 ft at 12 seconds and SW 1 ft at 14 seconds decreasing to at 7 seconds . Wind waves 1 ft or less.

Thursday Night

WNW wind 6 to 8 kt. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 to 2 ft. Wind waves around 1 ft.

Friday

Variable winds 5 kt or less. Partly sunny. Mixed swell...WNW 5 ft and SSW 1 ft. Wind waves 1 ft or less.

Friday Night

N wind around 6 kt. Mostly clear. Mixed swell...WNW 5 ft and SSW 1 ft. Wind waves 1 ft or less.

Saturday

NE wind around 8 kt. Sunny. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 1 ft.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 1 ft or less.

Sunday

ENE wind 6 to 8 kt. Partly 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 3 to 4 feet at 18 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 feet at 18 seconds. Maximum ebb current of 1.7 kt at 06:07 AM Wednesday and 3.2 kt at 05:52 PM Wednesday.

*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.