Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

23NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Wednesday
⇑N 6kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
⇑S 8kt
< 1ft
Thursday Night
WNW 7kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
NNW 6kt⇓
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:45 pm PDT Aug 25, 2026
Forecast Valid: 6pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Wednesday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of rain after 11am. Waves 1 ft or less.

Thursday Night

WNW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Friday

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

Friday Night

NNW wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of rain, 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. Mostly 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.