977 FPUS72 KKEY 181048 NOWKEY Short Term Forecast National Weather Service Key West FL 648 AM EDT Wed Sep 18 2019 GMZ052-053-072>074-181230- 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- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- 648 AM EDT Wed Sep 18 2019 .NOW... Through 8:30 AM, isolated showers and a thunderstorm or two are moving across the Straits of Florida. The bulk of this activity lies in the distant Straits beyond 40 nm south of the Middle and Lower Keys. General movement of this activity is to the south between 15 and 20 knots, while individual cell are moving southwest at 15 knots. This activity will be capable of occasional lightning strikes, wind gusts to near 25 knots, and brief moderate to heavy downpours reducing visbility to less than 2 miles. $$ SC