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Seattle, WA Local Forecast Office

15NM S Seattle WA

Marine Point Forecast

[NOTICE]

Wednesday
⇑NW 11km/h
< 1m
Wednesday Night
NNW 11km/h⇓
< 1m
Thursday
SW 18km/h
< 1m
Thursday Night
WSW 16km/h
< 1m
Friday
W 11km/h
< 1m
Friday Night
WNW 10km/h⇓
< 1m
Saturday
⇑NNW 10km/h
< 1m
Saturday Night
NNE 13km/h
< 1m
Sunday
⇑N 13km/h
< 1m

Associated Zone Forecast which includes this point

Last Update: 12:40 am PDT Jul 15, 2026
Forecast Valid: 4am PDT Jul 15, 2026-6pm PDT Jul 21, 2026

View Nearby Observations

Detailed Forecast

Wednesday

Variable winds less than 5 km/h becoming NW 6 to 11 km/h in the morning. Sunny. Waves 1 m or less.

Wednesday Night

NNW wind 6 to 11 km/h becoming variable and less than 5 km/h after midnight. Partly cloudy. Waves 1 m or less.

Thursday

SW wind 10 to 18 km/h. A chance of rain and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Waves 1 m or less.

Thursday Night

WSW wind 10 to 16 km/h becoming S after midnight. A slight chance of rain before 11pm. Waves 1 m or less.

Friday

S wind around 11 km/h becoming W in the afternoon. Mostly sunny. Waves 1 m or less.

Friday Night

WNW wind 5 to 10 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Waves 1 m or less.

Saturday

Variable winds less than 5 km/h becoming NNW 5 to 10 km/h in the afternoon. Sunny. Waves 1 m or less.

Saturday Night

NNE wind 5 to 13 km/h. Clear. Waves 1 m or less.

Sunday

Variable winds less than 5 km/h becoming N 8 to 13 km/h in the morning. Sunny. Waves 1 m 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.