Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

37NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
WSW 8kt⇓
< 1ft
Friday
S 7kt
< 1ft
Friday Night
SSW 6kt⇓
< 1ft
Saturday
⇑W 12kt
< 1ft
Saturday Night
WSW 12kt
< 1ft
Sunday
W 13kt
< 1ft
Sunday Night
W 10kt⇓
< 1ft
Monday
⇑SSW 9kt
< 1ft
Monday Night
SW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 9:40 pm PDT May 15, 2025
Forecast Valid: 9pm PDT May 15, 2025-6pm PDT May 22, 2025

View Nearby Observations

Detailed Forecast

Tonight

WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A chance of rain before 2am, then a slight chance of rain after 4am. Waves 1 ft or less.

Friday

S wind 5 to 7 kt. Rain likely, mainly between 2pm and 3pm. Waves 1 ft or less.

Friday Night

SSW wind around 6 kt becoming variable and less than 5 kt in the evening. Rain likely. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming W 7 to 12 kt in the afternoon. Rain likely, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Saturday Night

WSW wind 10 to 12 kt. A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Waves 1 ft or less.

Sunday

W wind 11 to 13 kt. A slight chance of rain. Waves 1 ft or less.

Sunday Night

W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. A slight chance of rain after 11pm. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Rain likely. Waves 1 ft or less.

Monday Night

SW wind 5 to 9 kt. A 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.