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

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Monday
NNE 10kt
< 1ft
Monday Night
NNE 9kt⇓
< 1ft
Tuesday
⇑SW 9kt
< 1ft
Tuesday Night
SSW 11kt
< 1ft
Wednesday
SSW 9kt
< 1ft
Wednesday Night
SW 10kt
< 1ft
Thursday
SW 10kt
< 1ft
Thursday Night
WSW 10kt⇓
< 1ft
Friday
⇑SW 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 23, 2026
Forecast Valid: 4am PDT Aug 24, 2026-6pm PDT Aug 30, 2026

View Nearby Observations

Detailed Forecast

Monday

NNE wind 6 to 10 kt. Patchy smoke after 4pm. Waves 1 ft or less.

Monday Night

NNE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Patchy smoke before 8pm. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SW 5 to 9 kt in the afternoon. Sunny. Waves 1 ft or less.

Tuesday Night

SSW wind 7 to 11 kt. Increasing clouds. Waves 1 ft or less.

Wednesday

SSW wind 6 to 9 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

SW wind 7 to 10 kt. Partly cloudy. Waves 1 ft or less.

Thursday

SW wind 7 to 10 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

WSW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. 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.