FPUS72 KKEY 191151 NOWKEY Short Term Forecast National Weather Service Key West FL 751 AM EDT Thu Mar 19 2026 GMZ052>054-072>074-191300- 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 west end of Seven Mile Bridge to south of Halfmoon Shoal 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- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- 751 AM EDT Thu Mar 19 2026 .NOW... Through 900 am, a band of scattered showers will continue across portions of the Straits of Florida south of the Middle and Upper Keys. This activity will move to the southwest at 10 to 15 knots. Mariners encountering the strongest activity southwest of the Marathon Humps can expect bouts of heavy downpours reducing visibility, wind gusts near 25 knots, and possibly a few lightning strikes. $$