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

7NM W Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SE 13kt
1ft
Tonight
SSW 15kt
< 1ft
Thursday
SSW 9kt
< 1ft
Thursday Night
SSW 8kt
< 1ft
Friday
S 7kt
1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑N 8kt
< 1ft
Saturday Night
N 9kt
< 1ft
Sunday
N 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Apr 1, 2026
Forecast Valid: 3pm 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...

This Afternoon

SE wind 11 to 13 kt. Rain. Waves around 1 ft.

Tonight

SSW wind 6 to 15 kt. A chance of rain, mainly after 9pm. Waves 1 ft or less.

Thursday

SSW wind 5 to 9 kt. A chance of rain, mainly between 1pm and 3pm. Waves 1 ft or less.

Thursday Night

SSW wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

Friday

S wind 5 to 7 kt. Mostly cloudy. Waves around 1 ft.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming N 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

N wind 5 to 9 kt. Partly cloudy. Waves 1 ft or less.

Sunday

N wind 5 to 9 kt. 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.