Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
NE 7kt⇓
< 1ft
Thursday
SW 11kt
< 1ft
Thursday Night
SW 11kt
< 1ft
Friday
SSW 7kt
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
N 6kt⇓
< 1ft
Sunday
⇑NNE 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:40 am PDT Jul 15, 2026
Forecast Valid: 8am PDT Jul 15, 2026-6pm PDT Jul 21, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tonight

NE wind 5 to 7 kt becoming variable and less than 5 kt. A slight chance of rain after 5am. Waves 1 ft or less.

Thursday

SW wind 6 to 11 kt. A chance of rain before 11am, then showers likely and possibly a thunderstorm between 11am and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Thursday Night

SW wind 8 to 11 kt. A slight chance of rain before 11pm. Waves 1 ft or less.

Friday

SSW wind 5 to 7 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Sunny. 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.