Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

7NM W Seattle WA

Marine Point Forecast

[NOTICE]

Tuesday
S 7kt⇓
< 1ft
Tuesday Night
Light Wind
< 1ft
Wednesday
Light Wind
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
⇑N 6kt
< 1ft
Thursday Night
N 7kt⇓
< 1ft
Friday
⇑SSW 6kt
< 1ft
Friday Night
S 12kt
1ft
Saturday
SSW 11kt
1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 17, 2026
Forecast Valid: 1am PDT Aug 18, 2026-6pm PDT Aug 24, 2026

View Nearby Observations

Detailed Forecast

Tuesday

S wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. A slight chance of rain before 11am. Waves 1 ft or less.

Friday Night

S wind 5 to 12 kt. Partly cloudy. Waves around 1 ft.

Saturday

SSW wind around 11 kt. Mostly cloudy. Waves around 1 ft.

*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.