Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

13NM S Seattle WA

Marine Point Forecast

[NOTICE]

Saturday
SW 6kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
S 10kt
< 1ft
Monday
S 15kt
1ft
Monday Night
S 14kt
1ft
Tuesday
S 15kt
1ft
Tuesday Night
S 11kt
1ft
Wednesday
S 11kt
1ft

Associated Zone Forecast which includes this point

Last Update: 8:01 pm PDT Mar 13, 2026
Forecast Valid: 1am PDT Mar 14, 2026-6pm PDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

Saturday

SW wind around 6 kt becoming SSE in the afternoon. A chance of rain and snow before 2pm, then a slight chance of rain after 3pm. Waves 1 ft or less.

Saturday Night

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

Sunday

Variable winds 5 kt or less. Rain likely after 11am. Waves 1 ft or less.

Sunday Night

S wind 5 to 10 kt. Rain. Waves 1 ft or less.

Monday

S wind 13 to 15 kt. Rain. Waves around 1 ft.

Monday Night

S wind around 14 kt. Rain likely. Waves around 1 ft.

Tuesday

S wind 11 to 15 kt. Rain. Waves around 1 ft.

Tuesday Night

S wind 9 to 11 kt. Rain. Waves around 1 ft.

Wednesday

S wind 9 to 11 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.