FPUS72 KKEY 191257 NOWKEY Short Term Forecast National Weather Service Key West FL 857 AM EDT Tue Aug 19 2025 GMZ052-072-191400- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- 857 AM EDT Tue Aug 19 2025 .NOW... Through 10 am, isolated showers and potentially a few thunderstorms will continue to wax and wane as they move to the south to southwest at 5 to 10 knots across the Florida Straits off the Upper Keys. Mariners encountering this activity can expect reduced visibility in bouts of moderate to heavy rain, wind gusts of near 20 knots, and possibly a rare lightning strike. $$