Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
NNE 6kt
< 1ft
Tonight
Light Wind
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
⇑SSW 6kt
< 1ft
Friday
SSW 6kt
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
⇑S 7kt
< 1ft
Sunday
SSW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Sep 9, 2026
Forecast Valid: 12pm PDT Sep 9, 2026-6pm PDT Sep 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNE wind around 6 kt. Mostly sunny. Waves 1 ft or less.

Tonight

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

Thursday

Variable winds 5 kt or less. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming SSW around 6 kt in the evening. Increasing clouds. Waves 1 ft or less.

Friday

SSW wind around 6 kt. Cloudy. Waves 1 ft or less.

Friday Night

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

Saturday

Variable winds 5 kt or less. A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Waves 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming S 5 to 7 kt after midnight. A chance of rain. Waves 1 ft or less.

Sunday

SSW wind 6 to 9 kt. A slight chance of rain. 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.