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 S San Francisco CA

Marine Point Forecast

[NOTICE]

Friday
⇑NW 10kt
< 1ft
Friday Night
WNW 8kt
< 1ft
Saturday
⇑WNW 9kt
< 1ft
Saturday Night
WNW 10kt
< 1ft
Sunday
WNW 9kt
< 1ft
Sunday Night
WNW 8kt
< 1ft
Monday
W 7kt
< 1ft
Monday Night
W 6kt⇓
< 1ft
Tuesday
⇑W 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:26 am PDT Sep 18, 2026
Forecast Valid: 4am 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 10 kt in the morning. Areas of fog before 7am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Friday Night

WNW wind 5 to 8 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming WNW 5 to 9 kt in the morning. Partly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Saturday Night

WNW wind 7 to 10 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Sunday

WNW wind 7 to 9 kt. Cloudy. N swell 0 ft. Wind waves 1 ft or less.

Sunday Night

WNW wind 6 to 8 kt. Cloudy. N swell 0 ft. Wind waves 1 ft or less.

Monday

W wind 5 to 7 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Monday Night

W wind around 6 kt becoming variable and less than 5 kt in the evening. Patchy fog after 2am. N swell 0 ft. Wind waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Areas of fog before 8am. N swell 0 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.