Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Monday
SSW 10kt
< 1ft
Monday Night
SW 11kt
< 1ft
Tuesday
SSW 12kt
< 1ft
Tuesday Night
SSW 11kt
< 1ft
Wednesday
SSW 12kt
< 1ft
Wednesday Night
SSW 11kt
< 1ft
Thursday
SSW 12kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:25 am PDT Mar 15, 2026
Forecast Valid: 5am PDT Mar 15, 2026-6pm PDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Rain, mainly after 5pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Rain, mainly before 9pm. Waves 1 ft or less.

Monday

SSW wind 6 to 10 kt. Rain. Waves 1 ft or less.

Monday Night

SW wind 9 to 11 kt. Rain, mainly after 11pm. Waves 1 ft or less.

Tuesday

SSW wind around 12 kt. Rain. Waves 1 ft or less.

Tuesday Night

SSW wind around 11 kt. Rain. Waves 1 ft or less.

Wednesday

SSW wind 10 to 12 kt. Rain. Waves 1 ft or less.

Wednesday Night

SSW wind 9 to 11 kt. Rain. Waves 1 ft or less.

Thursday

SSW wind 9 to 12 kt. Rain. 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.