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 >
| NWS Forecast for: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) Issued by: National Weather Service Seattle, WA Last Update: 202 PM PDT Tue Oct 20 2026 |  |
| 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. | |
| Zone Forecast: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) | |
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