Short Term Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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339 FPUS72 KKEY 230048 NOWKEY Short Term Forecast National Weather Service Key West FL 848 PM EDT Fri Aug 22 2025 FLZ076-GMZ031-042-052-072-230200- Monroe Upper Keys- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound-Hawk Channel from Ocean Reef to Craig Key out to the reef- 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- Including the Communities of Key Largo 848 PM EDT Fri Aug 22 2025 .NOW... Through 10 pm, an outflow boundary will continue to move southward at near 15 knots across the easternmost Straits of Florida waters. Mariners should expect a sudden wind shift from the north with gusts to near 25 knots. In addition, convection behind the outflow boundary will continue to also produce wind gusts of near 25 knots, bouts of lightning, and blinding downpours. $$ GMZ032-033-035-230200- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 848 PM EDT Fri Aug 22 2025 .NOW... Through 10 pm, isolated showers and thunderstorms will wax and wane as they move across the outer and nearshore Gulf waters, as well as the Lower Keys. This activity is moving east at generally 5 to 10 knots. Mariners encountering the stronger activity can expect brief blinding downpours, bouts of lightning, and wind gusts to near 25 knots. $$