Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Today
⇑WNW 9kt
2ft
Tonight
WNW 10kt⇓
2ft
Saturday
⇑W 8kt
2ft
Saturday Night
WNW 10kt
3ft
Sunday
W 7kt
2ft
Sunday Night
WNW 7kt
2-3ft
Monday
Light Wind
2ft
Monday Night
Light Wind
2ft
Tuesday
Light Wind
2ft

Associated Zone Forecast which includes this point

Last Update: 1:26 am PDT Sep 18, 2026
Forecast Valid: 7am PDT Sep 18, 2026-6pm PDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming WNW 5 to 9 kt in the afternoon. Sunny. Mixed swell...WNW 1 to 2 ft at 9 seconds and SSW 1 ft at 15 seconds. Wind waves 1 ft or less.

Tonight

WNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Mixed swell...WNW 3 ft at 7 seconds and SSW 1 ft at 14 seconds. Wind waves around 1 ft.

Saturday

Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Patchy fog before 10am. Mixed swell...WNW 2 to 3 ft at 8 seconds and SSW 1 ft at 14 seconds. Wind waves 1 ft or less.

Saturday Night

WNW wind 7 to 10 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves around 1 ft.

Sunday

W wind around 7 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves around 1 ft.

Sunday Night

WNW wind 5 to 7 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves around 1 ft.

Monday

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

Monday Night

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

Tuesday

Variable winds 5 kt or less. Patchy fog between 8am and 2pm. Mixed swell...WNW 3 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 2 to 3 ft at 16 seconds. ACROSS THE BAR...Swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 0.8 kt at 11:08 AM Friday and 1.6 kt at 09:43 PM Friday.

*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.