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

7NM NW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
NNE 6kt
< 1ft
Sunday
S 11kt
< 1ft
Sunday Night
SSE 13kt
1ft
Monday
S 23kt
1-2ft
Monday Night
S 25kt
2ft
Tuesday
S 26kt
2-3ft
Tuesday Night
S 21kt
2ft
Wednesday
S 24kt
2ft

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. Partly sunny. Waves 1 ft or less.

Tonight

NNE wind around 6 kt becoming SSE after midnight. Mostly cloudy. Waves 1 ft or less.

Sunday

SE wind 5 to 11 kt becoming S in the afternoon. Rain likely, mainly after 4pm. Waves 1 ft or less.

Sunday Night

SSE wind 7 to 13 kt. Rain. Waves around 1 ft.

Monday

S wind 16 to 23 kt. Rain. Waves 1 to 2 ft.

Monday Night

S wind 23 to 25 kt. Rain. Waves around 2 ft.

Tuesday

S wind 23 to 26 kt. Rain. Waves 2 to 3 ft.

Tuesday Night

S wind 19 to 21 kt. Rain. Waves around 2 ft.

Wednesday

S wind 21 to 24 kt. Rain. Waves around 2 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.