Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
SSW 9kt
< 1ft
Thursday
SSW 12kt
< 1ft
Thursday Night
WSW 11kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
WSW 6kt⇓
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:55 pm PDT Aug 26, 2026
Forecast Valid: 5pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 6 to 9 kt. Increasing clouds. Waves 1 ft or less.

Thursday

SSW wind 6 to 12 kt. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Thursday Night

WSW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

Friday Night

WSW wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of showers after 11pm. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. 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.