Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

14NM S Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
N 12kt
1ft
Tonight
N 9kt⇓
< 1ft
Tuesday
⇑WSW 10kt
< 1ft
Tuesday Night
SSW 11kt
1ft
Wednesday
⇑SSW 6kt
< 1ft
Wednesday Night
WSW 8kt
1ft
Thursday
S 11kt
< 1ft
Thursday Night
WSW 12kt
< 1ft
Friday
SW 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Aug 24, 2026
Forecast Valid: 3pm PDT Aug 24, 2026-6pm PDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 12 kt. Sunny. Waves around 1 ft.

Tonight

N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming WSW 5 to 10 kt in the afternoon. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Tuesday Night

SSW wind 5 to 11 kt. Increasing clouds. Waves around 1 ft.

Wednesday

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

Wednesday Night

WSW wind 6 to 8 kt. Partly cloudy. Waves around 1 ft.

Thursday

S wind 5 to 11 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

WSW wind 6 to 12 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

Friday

SW wind 5 to 7 kt. Partly sunny. 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.