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

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
⇑SSE 7kt
< 1ft
Sunday
S 6kt⇓
< 1ft
Sunday Night
N 8kt
< 1ft
Monday
N 11kt
< 1ft
Monday Night
N 12kt⇓
< 1ft
Tuesday
⇑SSW 15kt
< 1ft
Tuesday Night
S 22kt
< 1ft
Wednesday
S 19kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 28, 2026
Forecast Valid: 8am PDT Aug 29, 2026-6pm PDT Sep 4, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. A chance of rain and thunderstorms. Waves 1 ft or less.

Tonight

Variable winds less than 5 kt becoming SSE 5 to 7 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Sunday

S wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

Sunday Night

NE wind 5 to 8 kt becoming N in the evening. Partly cloudy. Waves 1 ft or less.

Monday

N wind 5 to 11 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

N wind 7 to 12 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 SSW 10 to 15 kt in the morning. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

S wind 16 to 22 kt. A chance of rain. Waves 1 ft or less.

Wednesday

S wind 16 to 19 kt, with gusts as high as 27 kt. Rain. 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.