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 >

Hazardous Weather Conditions

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

8NM SSE San Francisco CA

Marine Point Forecast

[NOTICE]

Thursday
⇑SW 16kt
< 1ft

Small Craft Advisory
Thursday Night
WSW 15kt
< 1ft

Small Craft Advisory
Juneteenth
SW 13kt
< 1ft

Small Craft Advisory
Friday Night
SW 14kt⇓
< 1ft

Small Craft Advisory
Saturday
⇑W 11kt
< 1ft
Saturday Night
W 12kt
< 1ft
Sunday
WSW 11kt
< 1ft
Sunday Night
WSW 12kt
< 1ft
Monday
WSW 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:56 am PDT Jun 18, 2026
Forecast Valid: 3am PDT Jun 18, 2026-6pm PDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM PDT THIS AFTERNOON

Thursday

SW wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. Winds could gust as high as 22 kt. Mostly cloudy through mid morning, then gradual clearing. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday Night

WSW wind 6 to 15 kt, with gusts as high as 22 kt. Increasing clouds. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Juneteenth

SW wind 7 to 13 kt, with gusts as high as 21 kt. Mostly cloudy, then gradually becoming sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Friday Night

SW wind 9 to 14 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 21 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming W 6 to 11 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

Saturday Night

W wind 7 to 12 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Sunday

WSW wind 5 to 11 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

Sunday Night

WSW wind 7 to 12 kt, with gusts as high as 18 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Monday

WSW wind 5 to 10 kt. Partly sunny. 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.