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 East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms (GMZ033) Issued by: National Weather Service Key West, FL Last Update: 432 AM EDT Sat Mar 21 2026 |  |
| Today: North to northeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. Wave detail: north to northeast 2 feet at 5 seconds. Tonight: North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: north to northeast 1 foot at 4 seconds. Sunday: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: northwest to north 1 foot at 4 seconds. Sunday Night: Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Monday: North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. Monday Night: North winds near 10 knots. Seas 1 to 2 feet. Tuesday: North to northeast winds 5 to 10 knots. Seas around 1 foot. Tuesday Night: North to northeast winds 5 to 10 knots. Seas around 1 foot. Wednesday: Northeast to east winds 5 to 10 knots. Seas around 1 foot. Wednesday Night: Northeast winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet. | |
| Zone Forecast: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms (GMZ033) | |
Visit your local NWS office at: https://www.weather.gov/key |