Short Term Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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345 FPUS72 KKEY 220253 NOWKEY Short Term Forecast National Weather Service Key West FL 1053 PM EDT Thu Aug 21 2025 GMZ052-053-072-073-220400- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 1053 PM EDT Thu Aug 21 2025 .NOW... Through 12 am, an outflow boundary is moving across the outer Straits of Florida and will move across the Marathon Humps and Floyd`s Wall. This boundary is moving north northeast at 15 to 20 knots and mariners encountering this feature should prepare for sudden wind gusts of 20 to 25 knots. $$ GMZ074-075-220400- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1053 PM EDT Thu Aug 21 2025 .NOW... Through 12 am, isolated showers with embedded thunderstorms will move north at 5 to 10 knots into the southwesternmost Straits of Florida. Mariners encoutnering the most developed features may experience moderate to heavy downpours and reduced visibility, wind gusts of near 25 knots, and a stray lightning strike. $$