Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

17NM SSW San Francisco CA

Marine Point Forecast

[NOTICE]

Friday
⇑NW 8kt
3ft
Friday Night
WNW 7kt⇓
3ft
Saturday
⇑WNW 8kt
3ft
Saturday Night
WNW 8kt
4ft
Sunday
WNW 8kt
4ft
Sunday Night
WNW 7kt⇓
4ft
Monday
⇑W 6kt
3ft
Monday Night
Light Wind
3ft
Tuesday
Light Wind
4ft

Associated Zone Forecast which includes this point

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

View Nearby Observations

Detailed Forecast

Friday

Variable winds less than 5 kt becoming NW 5 to 8 kt in the afternoon. Mostly cloudy. Mixed swell...WNW 2 ft at 8 seconds and SSW 1 to 2 ft at 15 seconds. Wind waves 1 ft or less.

Friday Night

WNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Mixed swell...WNW 4 ft at 7 seconds and SSW 1 ft at 14 seconds. Wind waves around 1 ft.

Saturday

Variable winds less than 5 kt becoming WNW 5 to 8 kt in the afternoon. Partly sunny. Mixed swell...WNW 3 to 4 ft at 8 seconds and SSW 1 ft at 14 seconds. Wind waves 1 ft or less.

Saturday Night

WNW wind 5 to 8 kt. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 1 ft.

Sunday

WNW wind 5 to 8 kt. Cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 1 ft.

Sunday Night

WNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Cloudy. Mixed swell...WNW 4 ft and SSW 2 ft. Wind waves around 1 ft.

Monday

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 1 ft or less.

Monday Night

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

Tuesday

Variable winds 5 kt or less. Partly sunny. Mixed swell...WNW 4 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 4 ft at 8 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.