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

37NM N Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 14kt
< 1ft
Tonight
S 10kt
< 1ft
Wednesday
⇑SSE 25kt
< 1ft
Wednesday Night
W 25kt
< 1ft
Thursday
WSW 17kt
< 1ft
Thursday Night
S 6kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
W 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:25 pm PDT Mar 10, 2026
Forecast Valid: 3pm PDT Mar 10, 2026-6pm PDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING...

This Afternoon

S wind around 14 kt, with gusts as high as 20 kt. Rain. Waves 1 ft or less.

Tonight

S wind 5 to 10 kt. Rain, mainly before 5am. Waves 1 ft or less.

Wednesday

SSE wind 6 to 11 kt increasing to 20 to 25 kt in the afternoon. Rain. Waves 1 ft or less.

Wednesday Night

S wind 17 to 25 kt becoming W in the evening. Rain. Waves 1 ft or less.

Thursday

WSW wind 7 to 17 kt. Rain. Waves 1 ft or less.

Thursday Night

S wind around 6 kt becoming variable and less than 5 kt in the evening. Rain before 2am, then rain, possibly mixed with snow. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Rain, possibly mixed with snow, becoming all rain after 11am. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Rain likely before 11pm, then rain likely, possibly mixed with snow. Waves 1 ft or less.

Saturday

W wind around 7 kt. A chance of rain and snow. 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.