Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Last Update: 150 AM PDT Sun Oct 18 2026

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Seattle, WA Local Forecast Office

21NM SSW Forks WA

Marine Zone Forecast


Today
N wind around 5 kt, backing to NW late. Seas 6 to 8 ft. Wave detail: W 8 ft at 12 seconds, SW 2 ft at 18 seconds and W 2 ft at 19 seconds.
Tonight
N wind 5 to 10 kt, becoming NE after midnight. Seas 6 to 8 ft. Wave detail: W 7 ft at 12 seconds and SW 2 ft at 17 seconds.
Mon
SE wind around 5 kt, veering to SW around 5 kt in the afternoon. Seas 5 to 7 ft. Wave detail: W 6 ft at 11 seconds, W 2 ft at 16 seconds and SW 2 ft at 17 seconds.
Mon Night
N wind around 5 kt. Seas 5 to 6 ft. Wave detail: N 2 ft at 5 seconds, W 6 ft at 10 seconds and W 5 ft at 15 seconds.
Tue
N wind around 5 kt. Seas 5 to 6 ft. Wave detail: W 6 ft at 10 seconds and W 2 ft at 14 seconds.
Tue Night
N wind 5 to 10 kt, becoming NE after midnight. Seas 4 to 6 ft. Wave detail: NW 3 ft at 7 seconds and W 6 ft at 10 seconds.
Wed
NE wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave detail: NW 3 ft at 7 seconds and W 4 ft at 10 seconds.
Wed Night
NW wind 5 to 10 kt. Seas 3 to 5 ft, building to 5 to 6 ft after midnight. Wave detail: NW 5 ft at 6 seconds, W 4 ft at 12 seconds and W 6 ft at 18 seconds.
Thu
NW wind 5 to 10 kt. Seas 7 to 10 ft. Wave detail: NW 4 ft at 7 seconds and W 10 ft at 15 seconds.
Thu Night
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 8 to 11 ft. Wave detail: W 10 ft at 14 seconds.



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150 AM PDT Sun Oct 18 2026
 
 

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