Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

23NM N Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
NW 11kt
1ft
Tonight
NW 7kt⇓
< 1ft
Tuesday
⇑WNW 8kt
< 1ft
Tuesday Night
SSE 17kt
< 1ft
Wednesday
SSE 17kt
1ft
Wednesday Night
SSE 18kt
1ft
Thursday
SSE 11kt
1ft
Thursday Night
SSE 7kt
< 1ft
Friday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:16 pm PDT Aug 31, 2026
Forecast Valid: 3pm PDT Aug 31, 2026-6pm PDT Sep 7, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NW wind around 11 kt. Partly sunny. Waves around 1 ft.

Tonight

NW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming WNW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.

Tuesday Night

SW wind 9 to 17 kt becoming SSE after midnight. Winds could gust as high as 24 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

SSE wind 9 to 17 kt, with gusts as high as 24 kt. Rain likely, mainly after 11am. Waves around 1 ft.

Wednesday Night

SSE wind 14 to 18 kt, with gusts as high as 26 kt. Rain. Waves around 1 ft.

Thursday

SSE wind 8 to 11 kt. Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Waves around 1 ft.

Thursday Night

SSE wind 5 to 7 kt. Rain likely. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. 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.