Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Coastal Waters Forecast for Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055) (Text-Only)
NWS Forecast for: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055)
Issued by: National Weather Service Key West, FL
Last Update: 420 PM EDT Mon Mar 30 2026




Tonight: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave detail: east 6 feet at 7 seconds. A slight chance of showers and thunderstorms.

Tuesday: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 5 feet at 7 seconds. A chance of showers.

Tuesday Night: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers. Wave detail: east 7 feet at 7 seconds. A chance of showers.

Wednesday: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers.

Wednesday Night: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers and thunderstorms.

Thursday: East winds near 20 knots, increasing to 20 to 25 knots. Seas 5 to 8 feet, occasionally to 9 feet. A chance of showers with a slight chance of thunderstorms.

Thursday Night: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers and thunderstorms.

Friday And Friday Night: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A slight chance of showers and thunderstorms.

Saturday: East winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms.

Saturday Night: East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers.







Zone Forecast: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055)

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