Short Term Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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638 FPUS72 KKEY 211139 NOWKEY Short Term Forecast National Weather Service Key West FL 739 AM EDT Fri Aug 21 2026 GMZ033-034-055-075-211300- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 739 AM EDT Fri Aug 21 2026 .NOW... Through 900 am, scattered showers showers with isolated stronger thunderstorms will drift to the northwest at near 5 knots across the western distant Straits of Florida out to 60 nm, as well as the southeastern Gulf, including in the vicinity of the Dry Tortugas. Mariners experiencing the strongest storms mainly along a line extending from W Tower northeastward to T Tower can expect heavy downpours reducing visibility, wind gusts near 20 knots, and occasional cloud to surface lighting strikes. $$