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

14NM S Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
⇑S 9kt
< 1ft
Saturday
SW 18kt
1ft
Saturday Night
SSW 17kt
1-2ft
Sunday
Light Wind
< 1ft
Sunday Night
N 9kt⇓
< 1ft
Monday
⇑N 11kt
< 1ft
Monday Night
NNE 11kt
1ft
Tuesday
⇑N 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:43 am PDT Jul 31, 2026
Forecast Valid: 7am PDT Jul 31, 2026-6pm PDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

Variable winds less than 5 kt becoming S 5 to 9 kt after midnight. Increasing clouds. Waves 1 ft or less.

Saturday

SW wind 10 to 18 kt. A chance of rain after 11am. Waves around 1 ft.

Saturday Night

SSW wind 8 to 17 kt. Increasing clouds. Waves 1 to 2 ft.

Sunday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Sunday Night

N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming N 6 to 11 kt in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

NNE wind 5 to 11 kt. Mostly clear. Waves around 1 ft.

Tuesday

Variable winds less than 5 kt becoming N 5 to 9 kt in the afternoon. 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.