Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Wednesday
S 6kt⇓
< 1ft
Wednesday Night
N 7kt⇓
< 1ft
Thursday
⇑N 8kt
< 1ft
Thursday Night
N 9kt⇓
< 1ft
Friday
⇑N 7kt
< 1ft
Friday Night
⇑S 12kt
< 1ft
Saturday
SSW 15kt
< 1ft
Saturday Night
SSW 17kt
< 1ft
Sunday
S 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 18, 2026
Forecast Valid: 1am PDT Aug 19, 2026-6pm PDT Aug 25, 2026

View Nearby Observations

Detailed Forecast

Wednesday

S wind around 6 kt becoming variable and less than 5 kt. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Wednesday Night

N wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming N 5 to 8 kt in the afternoon. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Thursday Night

N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Friday

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

Friday Night

Variable winds less than 5 kt becoming S 7 to 12 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Saturday

SSW wind 12 to 15 kt. A chance of rain. Waves 1 ft or less.

Saturday Night

SSW wind 12 to 17 kt. A slight chance of rain. Waves 1 ft or less.

Sunday

S wind 5 to 7 kt becoming WNW in the afternoon. Partly 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.