Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

21NM S Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
SSW 7kt⇓
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
⇑N 7kt
< 1ft
Monday Night
N 7kt⇓
< 1ft
Tuesday
⇑SW 8kt
< 1ft
Tuesday Night
SSW 9kt
< 1ft
Wednesday
S 11kt
< 1ft
Wednesday Night
S 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 29, 2026
Forecast Valid: 11pm PDT Aug 29, 2026-6pm PDT Sep 5, 2026

View Nearby Observations

Detailed Forecast

Overnight

SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Cloudy, then gradual clearing during the afternoon. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly clear. 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.

Monday Night

N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Tuesday

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

Tuesday Night

SSW wind 6 to 9 kt. A chance of rain. Waves 1 ft or less.

Wednesday

S wind 5 to 11 kt, with gusts as high as 22 kt. Rain. Waves 1 ft or less.

Wednesday Night

S wind 5 to 9 kt. Rain likely. 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.