


Coastal Waters Forecast
Issued by NWS Miami, FL
Issued by NWS Miami, FL
427 FZUS52 KMFL 171731 CWFMFL Coastal Waters Forecast for Florida National Weather Service Miami FL 131 PM EDT Sun Aug 17 2025 Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee out 20 nm and Chokoloskee to Bonita Beach out 60 nm...including the waters of Biscayne Bay and Lake Okeechobee. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. AMZ600-GMZ606-180600- 131 PM EDT Sun Aug 17 2025 .Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for East Cape Sable to Bonita Beach FL out to 60 nm... High pressure will remain established over the Florida peninsula through the remainder of the weekend, with light to moderate easterly to southeasterly winds prevailing, and generally westerly winds developing across the Gulf waters during the afternoon. Scattered showers and thunderstorms will affect the local waters through the day. Any showers or thunderstorms are capable of producing brief periods of rough seas and gusty winds. During early next week, northeasterly swell from a distant Hurricane Erin may increase wave heights across the northern Gulf stream waters, however current guidance indicates that conditions should remain below hazardous levels at this time. Gulf Stream Hazards: None. The approximate location of the west wall of the Gulf Stream as of Aug 16, 2025. 1 nautical miles north northeast of Fowey Rocks. 7 nautical miles east of Port Everglades. 3 nautical miles east northeast of Lake Worth. 11 nautical miles east northeast of Jupiter Inlet. This data courtesy of the Naval Oceanographic Office. $$ AMZ650-670-180600- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 131 PM EDT Sun Aug 17 2025 .TONIGHT...SE winds around 5 kt. Seas less than 2 ft or less. Wave Detail: E 1 foot at 3 seconds. Intracoastal waters smooth. A slight chance of showers and tstms this evening. A slight chance of showers and tstms late. .MON...NE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas less than 2 ft or less, then around 2 ft in the afternoon. Wave Detail: E 1 foot at 3 seconds and E 1 foot at 13 seconds, becoming NE 2 ft at 3 seconds and E 1 foot at 14 seconds. Intracoastal waters light chop. A chance of showers and tstms in the afternoon. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at 15 seconds. Intracoastal waters light chop. A chance of showers and tstms. .TUE...N winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 6 seconds and E 2 ft at 15 seconds. Intracoastal waters light chop. A chance of showers and tstms. .TUE NIGHT AND WED...NW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 4 ft at 6 seconds and E 1 foot at 14 seconds. Intracoastal waters light chop. A chance of showers and tstms. .WED NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: NE 3 ft at 12 seconds. Intracoastal waters light chop. A chance of showers and tstms. .THU THROUGH FRI...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. Intracoastal waters light chop. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ651-671-180600- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 131 PM EDT Sun Aug 17 2025 .TONIGHT...E winds around 5 kt. Seas less than 2 ft or less. Wave Detail: E 1 foot at 2 seconds. Intracoastal waters smooth. .MON...NE winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: E 1 foot at 2 seconds. Intracoastal waters light chop. .MON NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds. Intracoastal waters light chop. A chance of showers and tstms. .TUE...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds. Intracoastal waters light chop. A chance of showers and tstms. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds. Intracoastal waters light chop. A chance of showers and tstms. .WED AND WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds. Intracoastal waters light chop. A chance of showers and tstms. .THU THROUGH FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Intracoastal waters light chop. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ GMZ656-657-676-180600- Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM- 131 PM EDT Sun Aug 17 2025 .TONIGHT...NW winds around 5 kt, becoming NE around 5 kt after midnight. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 3 seconds. Bay and inland waters smooth. A chance of showers and tstms. .MON...SE winds around 5 kt, becoming SW in the afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. .MON NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 2 seconds. Bay and inland waters light chop. A chance of showers and tstms. .TUE...N winds around 5 kt, becoming NW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. A chance of showers and tstms in the afternoon. .TUE NIGHT THROUGH WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 3 seconds. Bay and inland waters a moderate chop. A chance of showers and tstms. .THU THROUGH FRI...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: W 1 foot at 3 seconds. Bay and inland waters light chop. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ610-180600- Lake Okeechobee- 131 PM EDT Sun Aug 17 2025 .TONIGHT...SE winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms early this evening. .MON...SE winds around 5 kt, becoming NE around 5 kt in the afternoon. Lake waters smooth. Showers and tstms likely in the afternoon. .MON NIGHT...NE winds 5 to 10 kt. Lake waters light chop. Showers and tstms likely in the evening. .TUE...N winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms in the afternoon. .TUE NIGHT...N winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms in the evening. .WED AND WED NIGHT...W winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms. .THU...W winds around 5 kt. Lake waters smooth. Showers and tstms likely in the afternoon. .THU NIGHT...SW winds around 5 kt. Lake waters smooth. .FRI...W winds around 5 kt. Lake waters smooth. Showers and tstms likely through the night. Winds and waves higher in and near tstms. $$ AMZ630-180600- Biscayne Bay- 131 PM EDT Sun Aug 17 2025 .TONIGHT...SE winds around 5 kt, becoming NE late. Smooth. A slight chance of showers and tstms early this evening. .MON...NE winds around 5 kt, becoming E around 5 kt in the afternoon. Smooth. A chance of showers and tstms in the afternoon. .MON NIGHT...SE winds around 5 kt, becoming N after midnight. Light chop. A chance of showers and tstms. .TUE...N winds 5 to 10 kt. Light chop. Showers and tstms likely in the afternoon. .TUE NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Light chop. Showers and tstms likely, mainly in the evening. .WED AND WED NIGHT...W winds 5 to 10 kt. Light chop. A chance of showers and tstms. .THU THROUGH FRI...W winds 5 to 10 kt. Light chop. A chance of showers and tstms. Winds and waves higher in and near tstms. $$