Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from March 16, 05:00 AM PDT until March 17, 05:00 AM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

24NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
SSW 10kt
< 1ft
Monday
SSW 13kt
< 1ft

Small Craft Advisory
Monday Night
SSW 10kt
< 1ft

Small Craft Advisory
Tuesday
SSW 10kt
< 1ft
Tuesday Night
SSW 10kt
< 1ft
Wednesday
SSW 10kt
< 1ft
Wednesday Night
SSW 10kt
< 1ft
Thursday
SSW 11kt
< 1ft
Thursday Night
SSW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:00 pm PDT Mar 15, 2026
Forecast Valid: 10pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE

Tonight

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

Monday

SSW wind 11 to 13 kt. Rain, mainly before 11am. Waves 1 ft or less.

Monday Night

SSW wind 7 to 10 kt. Rain likely, mainly after 11pm. Waves 1 ft or less.

Tuesday

SSW wind around 10 kt. Rain. Waves 1 ft or less.

Tuesday Night

SSW wind around 10 kt. Rain. Waves 1 ft or less.

Wednesday

SSW wind around 10 kt. Rain. Waves 1 ft or less.

Wednesday Night

SSW wind around 10 kt. Rain. Waves 1 ft or less.

Thursday

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

Thursday Night

SSW wind 6 to 9 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.