| NWS Forecast for: Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM (GMZ657) Issued by: National Weather Service Miami - South Florida Last Update: 351 AM EDT Tue Apr 21 2026 |  |
Today: NE winds 20 to 25 kt, becoming E 15 to 20 kt this afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: N 5 ft at 5 seconds. Bay and inland waters a moderate chop. Tonight: E winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave detail: E 5 ft at 4 seconds. Bay and inland waters a moderate chop. Wed: E winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave detail: E 4 ft at 4 seconds. Bay and inland waters a moderate chop. Wed Night: E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 4 seconds. Bay and inland waters light chop. Thu And Thu Night: E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 4 seconds. Bay and inland waters light chop. Fri Through Sat: E winds 10 to 15 kt. Seas 1 to 2 ft. Wave detail: E 2 ft at 4 seconds. Bay and inland waters light chop. | |
| Zone Forecast: Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM (GMZ657) | |
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