Coastal Waters Forecast
Issued by NWS Miami, FL
Issued by NWS Miami, FL
248 FZUS52 KMFL 120811 CWFMFL Coastal Waters Forecast for Florida National Weather Service Miami FL 411 AM EDT Wed Aug 12 2026 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-GMZ606-122100- 411 AM EDT Wed Aug 12 2026 .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... Light winds and low seas are expected through the week. Daily wind increases to around 10 knots are expected in the seabreeze zone, as well as a light chop. Shower and thunderstorm activity will remain fairly isolated and mostly limited to the morning hours for the east coast and the evening for the Gulf. Gulf Stream Hazards: None The approximate location of the west wall of the Gulf Stream as of Aug 10, 2026. 6 nautical miles south southeast of Fowey Rocks. 10 nautical miles northeast of Port Everglades. 3 nautical miles east northeast of Lake Worth. 6 nautical miles east southeast of Jupiter Inlet. This data courtesy of the Naval Oceanographic Office. $$ AMZ650-670-122100- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 411 AM EDT Wed Aug 12 2026 .TODAY...S winds around 5 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers and tstms late. .TONIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: S 1 foot at 2 seconds. Intracoastal waters light chop. .THU...S winds around 5 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds. Intracoastal waters smooth. .THU NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds. Intracoastal waters light chop. .FRI...SE winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 4 seconds. Intracoastal waters light chop. .FRI NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds. Intracoastal waters a moderate chop. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters light chop. .SAT NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop. .SUN...SE winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas less than 2 ft or less. Intracoastal waters light chop. .SUN NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop. Winds and seas higher in and near tstms. $$ AMZ651-671-122100- 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- 411 AM EDT Wed Aug 12 2026 .TODAY...SE winds 5 to 10 kt, diminishing to around 5 kt this afternoon. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 3 seconds. Intracoastal waters light chop. .TONIGHT...S winds around 5 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds. Intracoastal waters smooth. .THU...SE winds around 5 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds. Intracoastal waters smooth. .THU NIGHT...E winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas less than 2 ft or less, then around 2 ft after midnight. Wave Detail: SE 1 foot at 3 seconds. Intracoastal waters a moderate chop. .FRI...E winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SE 1 foot at 4 seconds. Intracoastal waters light chop. A chance of showers and tstms late. .FRI NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. Intracoastal waters a moderate chop. A chance of showers and tstms. .SAT...SE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. Intracoastal waters a moderate chop. A chance of showers and tstms early in the morning. .SAT NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Intracoastal waters a moderate chop. .SUN...E winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters light chop. .SUN NIGHT...E winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop. Winds and seas higher in and near tstms. $$ GMZ656-657-676-122100- Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM- 411 AM EDT Wed Aug 12 2026 .TODAY...E winds around 5 kt, becoming NW this afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. A slight chance of showers and tstms late. .TONIGHT...N winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 3 seconds. Bay and inland waters light chop. A chance of showers and tstms early in the evening. .THU...NE winds around 5 kt, becoming N in the afternoon. Seas less than 2 ft or less. Wave Detail: N 1 foot at 3 seconds. Bay and inland waters smooth. .THU NIGHT...N winds 5 to 10 kt, becoming E after midnight. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and tstms early in the evening. .FRI...E winds 5 to 10 kt, diminishing to around 5 kt in the afternoon. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds and NW 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and tstms late. .FRI NIGHT...E winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and tstms. .SAT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. A chance of tstms. .SAT NIGHT...E winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. .SUN...SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. .SUN NIGHT...SW winds 5 to 10 kt, becoming E after midnight. Seas less than 2 ft or less. Bay and inland waters light chop. Winds and seas higher in and near tstms. $$ AMZ610-122100- Lake Okeechobee- 411 AM EDT Wed Aug 12 2026 .TODAY...SW winds around 5 kt. Lake waters smooth. A chance of showers and tstms this afternoon. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Lake waters light chop. .THU...NW winds around 5 kt, becoming E in the afternoon. Lake waters smooth. .THU NIGHT...SE winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms early in the evening. .FRI...SE winds around 5 kt. Lake waters smooth. A chance of showers and tstms in the afternoon. .FRI NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Lake waters a moderate chop. A chance of showers and tstms early in the evening. .SAT...E winds around 5 kt. Lake waters smooth. A chance of showers and tstms in the afternoon. .SAT NIGHT...SE winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms early in the evening. .SUN...SE winds around 5 kt. Lake waters smooth. .SUN NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Lake waters light chop. Winds and waves higher in and near tstms. $$ AMZ630-122100- Biscayne Bay- 411 AM EDT Wed Aug 12 2026 .TODAY...SE winds around 5 kt, increasing to 5 to 10 kt this afternoon. Light chop. A slight chance of showers and tstms early this afternoon. A chance of showers and tstms late. .TONIGHT...SW winds around 5 kt. Smooth. A chance of showers and tstms early in the evening. .THU...S winds around 5 kt, becoming SE in the afternoon. Light chop. .THU NIGHT...SE winds 5 to 10 kt. Light chop. .FRI...E winds 5 to 10 kt. Light chop. .FRI NIGHT...E winds 10 to 15 kt. A moderate chop. A chance of showers and tstms. .SAT...E winds 5 to 10 kt. Light chop. A chance of showers and tstms until late afternoon. .SAT NIGHT...E winds 5 to 10 kt. Light chop. .SUN...E winds 5 to 10 kt. Light chop. .SUN NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Light chop. Winds and waves higher in and near tstms. $$