Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM NNW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
NNW 6kt⇓
< 1ft
Tuesday
Light Wind
< 1ft
Tuesday Night
⇑S 8kt
< 1ft
Wednesday
SSE 12kt
< 1ft
Wednesday Night
S 10kt⇓
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Mar 30, 2026
Forecast Valid: 9pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds less than 5 kt becoming S 5 to 8 kt after midnight. A chance of rain after 11pm. Waves 1 ft or less.

Wednesday

SSE wind 10 to 12 kt, with gusts as high as 22 kt. Rain. Waves 1 ft or less.

Wednesday Night

S wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Rain, mainly before 11pm. Waves 1 ft or less.

Thursday

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

Thursday Night

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

Friday

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

Friday 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.