Nor'easter Bringing Dangerous Coastal Conditions to the Mid-Atlantic; Pacific Storm to Impact the Southwest U.S.

A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm will bring gusty winds, showers and thunderstorms, and mountain snow to portions of California and the Southwest U.S. Wednesday and Thursday. Read More >

Last Update: 202 PM PDT Tue Oct 20 2026

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Seattle, WA Local Forecast Office

34NM WNW Buoy 41 WA

Marine Zone Forecast

Tonight

N wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave detail: N 5 ft at 5 seconds, NW 6 ft at 12 seconds and S 2 ft at 16 seconds.

Wed

NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 6 seconds, W 5 ft at 12 seconds and S 2 ft at 15 seconds.

Wed Night

NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: NW 5 ft at 6 seconds, NW 7 ft at 12 seconds and S 2 ft at 15 seconds.

Thu

NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 7 to 9 ft, building to 9 to 11 ft in the afternoon. Wave detail: NW 8 ft at 8 seconds, NW 11 ft at 11 seconds and S 2 ft at 14 seconds.

Thu Night

NW wind 25 to 30 kt. Seas 11 to 13 ft. Wave detail: NW 9 ft at 8 seconds, NW 13 ft at 10 seconds and S 2 ft at 14 seconds.

Fri

NW wind 20 to 25 kt, easing to 15 to 20 kt in the afternoon. Seas 10 to 12 ft, subsiding to 8 to 9 ft in the afternoon. Wave detail: NW 5 ft at 7 seconds, NW 10 ft at 10 seconds and S 2 ft at 16 seconds.

Fri Night

NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave detail: NW 7 ft at 11 seconds and S 2 ft at 17 seconds.

Sat

SE wind 5 to 10 kt, becoming S 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: E 6 ft at 6 seconds, W 5 ft at 10 seconds and S 2 ft at 16 seconds. Rain likely.

Sat Night

N wind 20 to 25 kt, becoming NE 15 to 20 kt after midnight. Seas 5 to 8 ft. Wave detail: E 8 ft at 6 seconds, W 4 ft at 11 seconds and S 2 ft at 17 seconds. Rain likely, mainly in the evening.

Sun

E wind 10 to 15 kt. Seas 5 to 6 ft. Wave detail: E 5 ft at 6 seconds, W 5 ft at 11 seconds and S 2 ft at 15 seconds. A chance of rain.

Sun Night

NE wind 10 to 15 kt. Seas 5 to 6 ft. A chance of rain in the evening.