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

17NM S Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
E 6kt⇓
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
⇑S 6kt
< 1ft
Monday
SSW 11kt
< 1ft
Monday Night
SSW 14kt
1ft
Tuesday
S 15kt
1ft
Tuesday Night
S 11kt
1ft
Wednesday
S 12kt
1ft

Associated Zone Forecast which includes this point

Last Update: 2:26 pm PDT Mar 14, 2026
Forecast Valid: 3pm PDT Mar 14, 2026-6pm PDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Rain likely, mainly after 4pm. Waves 1 ft or less.

Sunday Night

Variable winds less than 5 kt becoming S around 6 kt after midnight. Rain. Waves 1 ft or less.

Monday

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

Monday Night

SSW wind 11 to 14 kt. Rain likely, mainly after 11pm. Waves around 1 ft.

Tuesday

S wind 12 to 15 kt. Rain. Waves around 1 ft.

Tuesday Night

S wind around 11 kt. Rain. Waves around 1 ft.

Wednesday

S wind around 12 kt. Rain. Waves around 1 ft.

*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.