Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

For More Weather Information:

Seattle, WA Local Forecast Office

7NM NW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 27kt
3ft

Small Craft Advisory
Tonight
SSW 24kt
2-3ft

Small Craft Advisory
Wednesday
S 19kt⇓
1-2ft
Wednesday Night
SW 31kt⇓
2-3ft
Thursday
S 12kt
1-2ft
Thursday Night
SSW 11kt
1ft
Friday
SW 9kt
< 1ft
Friday Night
NNE 7kt
< 1ft
Saturday
SSW 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:01 am PDT Mar 10, 2026
Forecast Valid: 1pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM PDT THIS MORNING

This Afternoon

S wind around 27 kt, with gusts as high as 35 kt. Rain. Waves around 3 ft.

Tonight

SSW wind 19 to 24 kt, with gusts as high as 31 kt. Rain. Waves 2 to 3 ft.

Wednesday

S wind 14 to 19 kt decreasing to 8 to 13 kt in the morning. Winds could gust as high as 25 kt. Rain. Waves 1 to 2 ft.

Wednesday Night

SW wind 26 to 31 kt decreasing to 18 to 23 kt after midnight. Winds could gust as high as 42 kt. Rain. Waves 2 to 3 ft.

Thursday

W wind 6 to 12 kt becoming S in the morning. Rain. Waves 1 to 2 ft.

Thursday Night

SSW wind 7 to 11 kt. Rain. Waves around 1 ft.

Friday

SW wind 6 to 9 kt becoming N in the afternoon. Rain. Waves 1 ft or less.

Friday Night

NNE wind around 7 kt becoming SSW in the evening. Rain. Waves 1 ft or less.

Saturday

SSW wind around 6 kt becoming NNW in the afternoon. A chance of showers. 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.