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

16NM N Seattle WA

Marine Point Forecast

[NOTICE]

Late Afternoon
S 16kt
2ft

Small Craft Advisory
Tonight
SSW 15kt
1-2ft

Small Craft Advisory
Wednesday
⇑S 23kt
1-2ft
Wednesday Night
SSW 26kt⇓
3-5ft
Thursday
WNW 8kt
1-2ft
Thursday Night
SSE 6kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
WNW 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:25 pm PDT Mar 10, 2026
Forecast Valid: 4pm PDT Mar 10, 2026-6pm PDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

Late Afternoon

S wind around 16 kt, with gusts as high as 23 kt. Rain. Waves around 2 ft.

Tonight

SSW wind 9 to 15 kt, with gusts as high as 21 kt. Rain, mainly before 5am. Waves 1 to 2 ft.

Wednesday

S wind 9 to 14 kt increasing to 18 to 23 kt in the afternoon. Winds could gust as high as 33 kt. Rain, mainly after 8am. Waves 1 to 2 ft.

Wednesday Night

SSW wind 21 to 26 kt becoming WNW 14 to 19 kt after midnight. Winds could gust as high as 36 kt. Rain. Waves 3 to 5 ft.

Thursday

WNW wind 6 to 8 kt becoming S in the afternoon. Rain. Waves 1 to 2 ft.

Thursday Night

SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Rain before 5am, 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 8am. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Rain. Waves 1 ft or less.

Saturday

WNW wind around 6 kt. Rain likely, possibly mixed with snow before 2pm, then a chance of 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.