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

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
⇑SSW 9kt
< 1ft
Wednesday
SW 10kt
< 1ft
Wednesday Night
SSW 11kt
< 1ft
Thursday
SW 6kt
< 1ft
Thursday Night
SW 7kt
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 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 SSW 5 to 9 kt in the evening. Rain likely, mainly before 5am. Waves 1 ft or less.

Wednesday

SSE wind 7 to 10 kt becoming SW in the afternoon. Rain. Waves 1 ft or less.

Wednesday Night

SSW wind 5 to 11 kt. Rain, mainly before 11pm. Waves 1 ft or less.

Thursday

SW wind around 6 kt. A chance of rain. Waves 1 ft or less.

Thursday Night

SW wind around 7 kt. Partly 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.

Saturday

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.