999 FPUS72 KKEY 041300 NOWKEY Short Term Forecast National Weather Service Key West FL 800 AM EST Tue Dec 4 2018 FLZ078-GMZ033>035-044-054-041500- Monroe Lower Keys- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- Gulf of Mexico 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- Including the Communities of Key West 800 AM EST Tue Dec 4 2018 .NOW... Through 10:00 AM, scattered showers will move northeast at 5 to 10 knots across the Florida Straits and Gulf waters from 10 nm south of Cosgrove Shoal Light to just west of the Marquesas Keys to near S Tower. Mariners in this area may encounter moderate to heavy downpours, reduced visibility below 3 NM, potential wind gusts to 25 knots, and possibly an isolated lightning strike. $$ SC