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 >

Coastal Waters Forecast for Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035) (Text-Only)
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: 1013 AM EDT Fri Mar 20 2026
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This Afternoon: North to northeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 4 to 6 feet, occasionally to 8 feet west of the marquesas keys. Nearshore waters rough, becoming choppy.

Tonight: North to northeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a light to moderate chop.

Saturday: North to 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.

Saturday Night: North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop.

Sunday: Northeast to east winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth.

Sunday Night: Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters smooth to 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)

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