Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. 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: 429 PM EST Sun Mar 1 2026
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Tonight: Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light to moderate chop. isolated showers and thunderstorms.

Monday: Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers.

Monday Night: Northeast to east winds increasing to near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters becoming a moderate chop. Isolated showers.

Tuesday: Northeast to east winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. Isolated showers.

Tuesday Night: Northeast to east winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. Isolated showers.

Wednesday: East winds 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. Nearshore waters a moderate chop. Isolated showers.

Wednesday Night Through Thursday Night: East winds 15 knots. seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. nearshore waters a moderate chop. Isolated showers.

Friday: East winds near 15 knots. Seas 1 to 2 feet, except building to 3 to 4 feet, occasionally to 5 feet, west of the marquesas keys. Nearshore waters a moderate chop. Isolated showers.

Friday Night: East winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, except around 4 feet, occasionally to 5 feet west of the marquesas keys. Nearshore waters a moderate chop. Isolated showers.







Zone Forecast: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms (GMZ035)

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