Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

17NM S Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Friday
Light Wind
< 1ft
Friday Night
⇑SW 7kt
< 1ft
Saturday
SW 10kt
< 1ft
Saturday Night
SW 10kt
1ft
Sunday
SW 6kt
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
⇑N 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 19, 2026
Forecast Valid: 11am PDT Aug 20, 2026-6pm PDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. A chance of rain after 11pm. Waves 1 ft or less.

Saturday

SW wind 6 to 10 kt. A chance of rain. Waves 1 ft or less.

Saturday Night

SW wind 7 to 10 kt. Mostly cloudy. Waves around 1 ft.

Sunday

SW wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

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

Monday

Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Winds and waves higher in and near tstms.

*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.