Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

18NM NW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
⇑S 11kt
< 1ft
Wednesday
SSE 12kt
< 1ft
Wednesday Night
S 9kt⇓
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑N 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Mar 31, 2026
Forecast Valid: 2pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

Variable winds less than 5 kt becoming S 6 to 11 kt in the evening. Winds could gust as high as 20 kt. Rain likely, mainly between 3am and 5am. Waves 1 ft or less.

Wednesday

SSE wind 9 to 12 kt, with gusts as high as 23 kt. Rain. Waves 1 ft or less.

Wednesday Night

S wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Rain, mainly before 11pm. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of rain, mainly before 11am. 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. Mostly cloudy. Waves 1 ft or less.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. 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.