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

15NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Today
⇑SSE 6kt
< 1ft
Tonight
Light Wind
< 1ft
Thursday
S 11kt
< 1ft
Thursday Night
W 7kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
NNW 6kt⇓
< 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: 9am PDT Aug 26, 2026-6pm PDT Sep 1, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Thursday

S wind 6 to 11 kt. A slight chance of rain between 1pm and 2pm. Waves 1 ft or less.

Thursday Night

W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A slight chance of rain. Waves 1 ft or less.

Friday

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

Friday Night

NNW wind around 6 kt becoming variable and less than 5 kt in the evening. Rain likely, mainly after 11pm. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of rain. 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.