Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

34NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

This Afternoon
SW 8kt
< 1ft
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

Associated Zone Forecast which includes this point

Last Update: 2:05 pm PDT Jun 17, 2026
Forecast Valid: 3pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind around 8 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

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. 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.

*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.