Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

11NM N Seattle WA

Marine Point Forecast

[NOTICE]

Today
⇑NNW 7kt
< 1ft
Tonight
NNW 6kt⇓
< 1ft
Saturday
S 13kt
< 1ft
Saturday Night
NNE 9kt⇓
< 1ft
Sunday
⇑NNW 6kt
< 1ft
Sunday Night
NNW 9kt
< 1ft
Monday
⇑NNW 12kt
< 1ft
Monday Night
NNW 13kt
< 1ft
Tuesday
⇑NNW 12kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:43 am PDT Jul 31, 2026
Forecast Valid: 5am PDT Jul 31, 2026-6pm PDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

Tonight

NNW wind around 6 kt becoming variable and less than 5 kt. Increasing clouds. Waves 1 ft or less.

Saturday

S wind 9 to 13 kt becoming N in the afternoon. A chance of rain after 11am. Waves 1 ft or less.

Saturday Night

NNE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A chance of rain. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. A slight chance of rain before 11am. Waves 1 ft or less.

Sunday Night

NNW wind 5 to 9 kt becoming NNE after midnight. Mostly clear. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming NNW 7 to 12 kt in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

NNW wind 6 to 13 kt. Clear. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming NNW 7 to 12 kt in the morning. Sunny. 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.