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: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) Issued by: National Weather Service Key West, FL Last Update: 426 PM EDT Tue Oct 20 2026 | |
Tonight: Northeast winds near 15 knots, increasing to near 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters a moderate chop, becoming rough. A slight chance of showers. Wednesday: Northeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas subsiding to 1 to 2 feet, except subsiding to 2 to 3 feet west of the marquesas keys. Nearshore waters choppy, becoming a light to moderate chop. A slight chance of showers. Wednesday Night And Thursday: Northeast winds 10 to 15 knots. seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. nearshore waters a light to moderate chop. A slight chance of showers. Thursday Night: Northeast winds near 15 knots, increasing to 15 to 20 knots. Seas building to 2 to 3 feet, except building to 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. nearshore waters a moderate chop, becoming choppy. A chance of showers with a slight chance of thunderstorms. Friday: Northeast winds 15 to 20 knots, increasing to near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of the marquesas keys. Nearshore waters choppy, becoming rough. A chance of showers with a slight chance of thunderstorms. Friday Night: Northeast winds near 20 knots, increasing to 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of the marquesas keys. nearshore waters rough, becoming very rough. A chance of showers with a slight chance of thunderstorms. Saturday: Northeast winds near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 7 feet, occasionally to 9 feet west of the marquesas keys. Nearshore waters extremely rough. A chance of showers and thunderstorms. Saturday Night: Northeast winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 6 to 9 feet, occasionally to 11 feet west of the marquesas keys. Nearshore waters extremely rough. Showers likely with a chance of thunderstorms. Sunday: Northeast winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 6 to 9 feet, occasionally to 11 feet west of the marquesas keys. Nearshore waters extremely rough. Showers likely with a chance of thunderstorms. Sunday Night: Northeast winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 6 to 9 feet, occasionally to 11 feet west of the marquesas keys. Nearshore waters extremely rough. A showers of showers with a slight chance of thunderstorms. | |
| Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) | |
Visit your local NWS office at: https://www.weather.gov/key |