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

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Today
S 8kt
< 1ft
Tonight
⇑S 10kt
< 1ft
Thursday
S 16kt
< 1ft
Thursday Night
SW 16kt
< 1ft
Friday
S 6kt⇓
< 1ft
Friday Night
N 8kt
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 25, 2026
Forecast Valid: 5am PDT Aug 26, 2026-6pm PDT Sep 1, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 5 to 8 kt. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Tonight

Variable winds less than 5 kt becoming S 5 to 10 kt after midnight. Increasing clouds. Waves 1 ft or less.

Thursday

S wind 10 to 16 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

Thursday Night

SW wind 6 to 16 kt becoming S after midnight. Increasing clouds. Waves 1 ft or less.

Friday

S wind around 6 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

NNW wind 5 to 8 kt becoming ESE after midnight. Rain likely, mainly after 11pm. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of rain, mainly before 11am. 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. Mostly sunny. 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.