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 today. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from April 1, 03:00 PM PDT until April 1, 11:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

41NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 15kt
< 1ft

Small Craft Advisory
Tonight
SSW 16kt
< 1ft

Small Craft Advisory
Thursday
WSW 14kt
< 1ft
Thursday Night
SSW 14kt
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑NNE 7kt
< 1ft
Saturday Night
NE 6kt⇓
< 1ft
Sunday
⇑NE 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Apr 1, 2026
Forecast Valid: 2pm PDT Apr 1, 2026-6pm PDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

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

This Afternoon

S wind 13 to 15 kt. Rain, mainly after 5pm. Waves 1 ft or less.

Tonight

SSW wind 10 to 16 kt. Rain, mainly before 7pm. Waves 1 ft or less.

Thursday

WSW wind 11 to 14 kt. A chance of rain, mainly between 7am and 2pm. Waves 1 ft or less.

Thursday Night

SSW wind 5 to 14 kt. 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. Mostly clear. Waves 1 ft or less.

Saturday

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

Saturday Night

NE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming NE 5 to 7 kt in the afternoon. Partly 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.