Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >

Hazardous Weather Conditions

Small Craft Advisory until April 1, 11:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

13NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
SSW 11kt⇓
< 1ft

Small Craft Advisory
Thursday
⇑SW 8kt
< 1ft
Thursday Night
SW 8kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑NNE 6kt
< 1ft
Saturday Night
NNE 7kt⇓
< 1ft
Sunday
⇑NNE 7kt
< 1ft
Sunday Night
NNE 7kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Apr 1, 2026
Forecast Valid: 10pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

Tonight

SSW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. A chance of rain, mainly after 11pm. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SW 5 to 8 kt in the afternoon. A chance of rain, mainly between 11am and 3pm. Waves 1 ft or less.

Thursday Night

SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. 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. Mostly clear. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming NNE around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. 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.