Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from June 30, 03:00 PM PDT until July 1, 09:00 AM PDT

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

18NM S San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
W 6kt⇓
6-7ft

Small Craft Advisory
Wednesday
⇑SSW 8kt
5-7ft

Small Craft Advisory
Wednesday Night
SW 6kt
5ft
Thursday
WSW 9kt
5ft
Thursday Night
W 8kt⇓
4ft
Friday
⇑WSW 7kt
4ft
Friday Night
W 6kt⇓
3ft
Independence Day
⇑W 7kt
4ft
Saturday Night
W 7kt⇓
4ft

Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Jun 30, 2026
Forecast Valid: 7pm PDT Jun 30, 2026-6pm PDT Jul 7, 2026

View Nearby Observations

Detailed Forecast

Tonight

W wind around 6 kt becoming variable and less than 5 kt after midnight. Patchy fog between 9pm and 4am. Mixed swell...WNW 7 ft at 10 seconds and SSW 1 ft at 18 seconds. Wind waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Patchy fog between 7am and 8am. Mixed swell...WNW 6 to 7 ft at 9 seconds and SSW 1 ft at 17 seconds. Wind waves 1 ft or less.

Wednesday Night

SW wind around 6 kt. Increasing clouds. Mixed swell...WNW 5 ft at 9 seconds and SSW 1 ft at 17 seconds. Wind waves around 1 ft.

Thursday

WSW wind 5 to 9 kt. Mostly cloudy. Mixed swell...WNW 4 to 5 ft and SSW 1 ft. Wind waves around 1 ft.

Thursday Night

W wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 to 2 ft. Wind waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming WSW 5 to 7 kt in the afternoon. Mostly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 1 ft or less.

Friday Night

W wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves 1 ft or less.

Independence Day

Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves 1 ft or less.

Saturday Night

W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 to 2 ft. Wind waves 1 ft or less.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 15 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 1.1 kt at 06:13 PM Tuesday and 2.9 kt at 05:31 AM 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.