Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

13NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
3ft
Thursday
Light Wind
3ft
Thursday Night
Light Wind
3ft
Friday
Light Wind
3ft
Friday Night
Light Wind
3ft
Saturday
NNE 9kt
3ft
Saturday Night
Light Wind
3ft
Sunday
ENE 8kt
3ft
Sunday Night
Light Wind
2ft

Associated Zone Forecast which includes this point

Last Update: 2:22 pm PST Jan 21, 2026
Forecast Valid: 10pm PST Jan 21, 2026-6pm PST Jan 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 3 ft at 12 seconds and SSW 1 ft at 8 seconds. Wind waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 2 to 3 ft at 11 seconds and SW 2 ft at 6 seconds. Wind waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 3 ft at 8 seconds and SSW 1 to 2 ft at 6 seconds building to at 15 seconds . Wind waves 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Mixed swell...WNW 3 to 4 ft and SSW 1 ft. Wind waves 1 ft or less.

Saturday

NNE wind 6 to 9 kt. Sunny. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves around 1 ft.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves 1 ft or less.

Sunday

ENE wind 6 to 8 kt. Partly sunny. Mixed swell...WNW 2 ft and SW 1 ft. Wind waves around 1 ft.

Sunday Night

Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 2 ft and SSW 1 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 14 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 feet at 14 seconds. Maximum ebb current of 2.0 kt at 06:41 AM Thursday and 3.0 kt at 06:32 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.