Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Monday
NNE 8kt
< 1ft
Monday Night
NNE 6kt⇓
< 1ft
Tuesday
⇑SW 11kt
< 1ft
Tuesday Night
SSW 12kt
< 1ft
Wednesday
S 12kt
< 1ft
Wednesday Night
SSW 10kt
< 1ft
Thursday
SSW 9kt
< 1ft
Thursday Night
SW 7kt⇓
< 1ft
Friday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 30, 2026
Forecast Valid: 3am PDT Aug 31, 2026-6pm PDT Sep 6, 2026

View Nearby Observations

Detailed Forecast

Monday

NNE wind 5 to 8 kt. Partly sunny. Waves 1 ft or less.

Monday Night

NNE wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SW 6 to 11 kt in the morning. Patchy fog before 8am. Waves 1 ft or less.

Tuesday Night

SSW wind 7 to 12 kt. A chance of rain after 11pm. Waves 1 ft or less.

Wednesday

S wind 8 to 12 kt. Rain. Waves 1 ft or less.

Wednesday Night

SSW wind 8 to 10 kt. Rain. Waves 1 ft or less.

Thursday

SSW wind 7 to 9 kt. Rain likely, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Thursday Night

SW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of rain. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. A 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.