Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
⇑SSW 6kt
< 1ft
Labor Day
SSW 8kt
< 1ft
Monday Night
SW 8kt⇓
< 1ft
Tuesday
⇑NNE 8kt
< 1ft
Tuesday Night
NNE 8kt
< 1ft
Wednesday
⇑NNE 7kt
< 1ft
Wednesday Night
NNE 7kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Sep 5, 2026
Forecast Valid: 4pm PDT Sep 5, 2026-6pm PDT Sep 12, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Sunday

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

Sunday Night

Variable winds less than 5 kt becoming SSW around 6 kt after midnight. Increasing clouds. Waves 1 ft or less.

Labor Day

SSW wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

Monday Night

SW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

NNE wind 5 to 8 kt. Mostly clear. Waves 1 ft or less.

Wednesday

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

Wednesday Night

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. 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.