Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

34NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Thursday
SSW 10kt
< 1ft
Thursday Night
S 7kt
< 1ft
Juneteenth
S 9kt
< 1ft
Friday Night
SSW 6kt⇓
< 1ft
Saturday
⇑W 9kt
< 1ft
Saturday Night
W 9kt⇓
< 1ft
Sunday
⇑W 10kt
< 1ft
Sunday Night
W 10kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:05 pm PDT Jun 17, 2026
Forecast Valid: 8pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Patchy fog between 9pm and 3am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday

SSW wind 6 to 10 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday Night

S wind 5 to 7 kt. Patchy fog after 3am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Juneteenth

S wind 5 to 9 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Friday Night

SSW wind around 6 kt becoming variable and less than 5 kt in the evening. Widespread fog, mainly after 5am. N swell 0 ft. Wind waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Widespread fog, mainly before 8am. N swell 0 ft. Wind waves 1 ft or less.

Saturday Night

W wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Patchy fog before 11am. N swell 0 ft. Wind waves 1 ft or less.

Sunday Night

W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 18 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

*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.