Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Today
⇑SW 6kt
< 1ft
Tonight
WSW 6kt⇓
< 1ft
Saturday
⇑SW 6kt
< 1ft
Saturday Night
WSW 6kt⇓
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
Light Wind
< 1ft
Monday Night
Light Wind
< 1ft
Tuesday
⇑SW 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 27, 2026
Forecast Valid: 9am PDT Aug 28, 2026-6pm PDT Sep 3, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

WSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of rain, mainly after 2am. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SW around 6 kt in the morning. A chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a slight chance of rain after 2pm. Waves 1 ft or less.

Saturday Night

WSW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Sunday

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

Sunday Night

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

Monday

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

Monday Night

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

Tuesday

Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. 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.