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

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SSW 24kt
3ft

Small Craft Advisory
Tonight
SSW 22kt
2ft

Small Craft Advisory
Wednesday
SSE 15kt
1-2ft
Wednesday Night
SW 24kt
1-2ft
Thursday
SSW 20kt
1-2ft
Thursday Night
S 14kt
1ft
Friday
SW 12kt
< 1ft
Friday Night
SE 7kt
< 1ft
Saturday
Light Wind
< 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

SSW wind around 24 kt, with gusts as high as 31 kt. Rain. Waves around 3 ft.

Tonight

SSW wind 19 to 22 kt, with gusts as high as 29 kt. Rain likely. Waves around 2 ft.

Wednesday

SSE wind 7 to 15 kt. Rain. Waves 1 to 2 ft.

Wednesday Night

SW wind 14 to 24 kt, with gusts as high as 31 kt. Rain. Waves 1 to 2 ft.

Thursday

SSW wind 15 to 20 kt, with gusts as high as 26 kt. Rain. Waves 1 to 2 ft.

Thursday Night

S wind 9 to 14 kt. Rain. Waves around 1 ft.

Friday

SW wind 8 to 12 kt becoming E in the afternoon. Rain. Waves 1 ft or less.

Friday Night

SE wind around 7 kt becoming S in the evening. Rain. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. 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.