FPUS72 KKEY 210516 NOWKEY Short Term Forecast National Weather Service Key West FL 116 AM EDT Sun Jun 21 2026 FLZ078-GMZ033>035-044-054-055-074-075-210630- Monroe Lower Keys- 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- 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 116 AM EDT Sun Jun 21 2026 .NOW... Through 2 AM, isolated showers will develop along residual boundaries scattered over the Lower Keys and surrounding nearshore coastal waters, and the outer Gulf waters. Showers that develop along these boundaries will drift west southwest at near 10 knots. Mariners encountering the stronger activity can expect brief blinding downpours and isolated wind gusts of 20 to 25 knots. $$