Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from July 28, 05:00 AM PDT until July 28, 01:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

17NM S Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
W 7kt
< 1ft
Tonight
W 7kt
< 1ft
Tuesday
WSW 10kt
< 1ft

Small Craft Advisory
Tuesday Night
WSW 8kt⇓
< 1ft
Wednesday
Light Wind
< 1ft
Wednesday Night
N 6kt⇓
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
WNW 6kt⇓
< 1ft
Friday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:46 pm PDT Jul 27, 2026
Forecast Valid: 3pm PDT Jul 27, 2026-6pm PDT Aug 3, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

This Afternoon

W wind around 7 kt. Sunny. Waves 1 ft or less.

Tonight

W wind 5 to 7 kt becoming SSW after midnight. Increasing clouds. Waves 1 ft or less.

Tuesday

S wind 6 to 10 kt becoming WSW in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Tuesday Night

WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Increasing clouds. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

Variable winds 5 kt or less. 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.