Short Term Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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057 FPUS72 KKEY 052303 NOWKEY Short Term Forecast National Weather Service Key West FL 703 PM EDT Sat Sep 5 2026 FLZ078-GMZ035-044-054-055-074-075-060015- Monroe Lower Keys- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- Including the Communities of Key West 703 PM EDT Sat Sep 5 2026 .NOW... Through 800 pm, a strong outflow boundary is moving northward over the offshore waters of the Florida Straits, which could produce wind gusts near 25 kts. Meanwhile, scattered showers and isolated thunderstorms will continue across the Lower Keys and adjacent nearshore waters. This activity will be relatively stationary but mariners encountering the stronger of the activity can expect heavy downpours reducing visibility, wind gusts near 20 knots, and a few lightning strikes. In addition, island communities across the Lower Keys could expect a tenth to a quarter of an inch of rainfall. $$