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

29NM NNW Seattle WA

Marine Point Forecast

[NOTICE]

Saturday
⇑NNW 6kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
⇑NW 10kt
< 1ft
Sunday Night
NW 9kt⇓
< 1ft
Monday
⇑NNW 7kt
< 1ft
Monday Night
WNW 9kt
< 1ft
Tuesday
⇑NNW 6kt
< 1ft
Tuesday Night
NNW 6kt⇓
< 1ft
Wednesday
⇑SSE 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:25 am PDT Sep 19, 2026
Forecast Valid: 1am PDT Sep 19, 2026-6pm PDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Saturday

Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming NW 5 to 10 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Sunday Night

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

Monday

Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

WNW wind 6 to 9 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

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