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

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
N 8kt
< 1ft
Monday
N 13kt
< 1ft
Monday Night
N 10kt⇓
< 1ft
Tuesday
⇑SSW 14kt
< 1ft
Tuesday Night
S 19kt
1-2ft
Wednesday
S 18kt
1-2ft
Wednesday Night
S 22kt
2ft
Thursday
SSW 13kt
1ft
Thursday Night
SSW 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 30, 2026
Forecast Valid: 12am PDT Aug 31, 2026-6pm PDT Sep 6, 2026

View Nearby Observations

Detailed Forecast

Overnight

N wind around 8 kt. Partly cloudy. Waves 1 ft or less.

Monday

N wind 7 to 13 kt. Partly sunny. Waves 1 ft or less.

Monday Night

N wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSW 9 to 14 kt in the morning. Partly sunny. Waves 1 ft or less.

Tuesday Night

S wind 14 to 19 kt. A slight chance of rain after 11pm. Waves 1 to 2 ft.

Wednesday

S wind 12 to 18 kt. Rain, mainly after 11am. Waves 1 to 2 ft.

Wednesday Night

S wind 18 to 22 kt. Rain. Waves around 2 ft.

Thursday

SSW wind 9 to 13 kt. Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Waves around 1 ft.

Thursday Night

SSW wind 5 to 10 kt. 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.