Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains
An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. 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: 1032 PM EDT Thu Mar 19 2026 |  |
Tonight: North to northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters rough. A slight chance of showers. Friday: North to northeast winds near 20 knots, decreasing to 15 to 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 rough, becoming choppy. A slight chance of showers. Friday Night: Northeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters choppy, becoming a moderate chop. Saturday: Northeast winds 10 to 15 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore waters a light to moderate chop. Saturday Night: Northeast to east winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Sunday: East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Sunday Night: East winds near 10 knots. Seas 1 to 2 feet. nearshore waters a light chop. Monday: Northeast to east winds 5 to 10 knots. Seas around 1 foot, except 1 to 2 feet west of the marquesas keys. Nearshore waters smooth to a light chop. Monday Night: North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Tuesday: North to northeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. nearshore waters a light chop, becoming smooth to a light chop. Tuesday Night: Northeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop. | |
| 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 |