Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

36NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Monday
Light Wind
< 1ft
Monday Night
Light Wind
< 1ft
Tuesday
Light Wind
< 1ft
Tuesday Night
WSW 9kt⇓
< 1ft
Wednesday
⇑WSW 6kt
< 1ft
Wednesday Night
W 6kt⇓
< 1ft
Thursday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:25 am PDT Sep 20, 2026
Forecast Valid: 8am PDT Sep 20, 2026-6pm PDT Sep 26, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Areas of dense fog before 10am. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Patchy dense fog after midnight. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Areas of fog before 10am. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Tuesday Night

WSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Mostly cloudy. 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.