Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii
A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. 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: 1021 AM EDT Sat Mar 21 2026 | |
| This Afternoon: North to northeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet. West of the marquesas keys, seas 2 to 3 feet, subsiding to around 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. Tonight: North winds 5 to 10 knots. Seas around 1 foot. nearshore waters smooth to a light chop. Sunday: Northeast to east winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Sunday Night: Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Monday: Northeast to east winds 5 to 10 knots. Seas around 1 foot. 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. Wednesday: East winds 5 to 10 knots. Seas around 1 foot. nearshore waters smooth to a light chop. Wednesday Night: Northeast to east 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 |