Coastal Waters Forecast
Issued by NWS Miami, FL
Issued by NWS Miami, FL
459 FZUS52 KMFL 180801 CWFMFL Coastal Waters Forecast for Florida National Weather Service Miami FL 401 AM EDT Fri Sep 18 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-GMZ606-182100- 401 AM EDT Fri Sep 18 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... Gentle east to northeast winds are expected today and into the beginning of the weekend. Scattered thunderstorms are expected the next several days which may result in locally hazardous winds and seas. Gulf Stream Hazards: None. The approximate location of the west wall of the Gulf Stream as of Sep 14, 2026. 16 nautical miles north northeast of Fowey Rocks. 7 nautical miles east of Port Everglades. 6 nautical miles south southeast of Lake Worth. 6 nautical miles east northeast of Jupiter Inlet. This data courtesy of the Naval Oceanographic Office. $$ AMZ650-670-182100- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 401 AM EDT Fri Sep 18 2026 .TODAY...E winds around 5 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 2 ft at 7 seconds and E 1 foot at 4 seconds. Intracoastal waters smooth. A chance of showers and tstms. .TONIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 7 seconds and SE 1 foot at 2 seconds. Intracoastal waters smooth. A chance of showers and tstms. .SAT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft at 6 seconds. Intracoastal waters smooth. A chance of showers and tstms. .SAT NIGHT...E winds around 5 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: N 1 foot at 6 seconds. Intracoastal waters smooth. A chance of tstms. Showers. .SUN...SW winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 1 foot at 7 seconds. Intracoastal waters smooth. A chance of tstms. .SUN NIGHT...SE winds around 5 kt. Seas less than 2 ft or less. Wave Detail: N 1 foot at 7 seconds. Intracoastal waters smooth. A chance of tstms. Showers. .MON...S winds around 5 kt. Seas less than 2 ft or less. Intracoastal waters smooth. Showers likely. A chance of tstms until late afternoon, then tstms likely late. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters light chop. Showers likely with a chance of tstms. .TUE...S winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters light chop. Showers likely with a chance of tstms. .TUE NIGHT...SE winds around 5 kt. Seas around 2 ft. Intracoastal waters smooth. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ651-671-182100- 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- 401 AM EDT Fri Sep 18 2026 .TODAY...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 7 seconds and E 1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers and tstms. .TONIGHT...NE winds around 5 kt, becoming SE around 5 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 7 seconds and E 1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers and tstms. .SAT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft at 7 seconds and SW 1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers and tstms. .SAT NIGHT...E winds around 5 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 3 seconds. Intracoastal waters smooth. A chance of tstms. Showers. .SUN...S winds around 5 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SE 1 foot at 2 seconds. Intracoastal waters smooth. A chance of tstms. .SUN NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds and N 1 foot at 6 seconds. Intracoastal waters light chop. A chance of tstms. Showers. .MON...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop. Showers likely with a chance of tstms. .MON NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop. Showers likely with a chance of tstms. .TUE...S winds 5 to 10 kt. Seas less than 2 ft or less, then around 2 ft in the afternoon. Intracoastal waters light chop. Showers likely with a chance of tstms. .TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters light chop. A chance of tstms. Winds and seas higher in and near tstms. $$ GMZ656-657-676-182100- 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- 401 AM EDT Fri Sep 18 2026 .TODAY...NE winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: E 2 ft at 3 seconds. Bay and inland waters light chop. A chance of showers and tstms. .TONIGHT...NE winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: NE 1 foot at 2 seconds. Bay and inland waters light chop. A chance of showers and tstms. .SAT...E winds 5 to 10 kt, becoming SE in the afternoon. Seas less than 2 ft or less. Wave Detail: E 1 foot at 2 seconds. Bay and inland waters light chop. A chance of showers and tstms. .SAT NIGHT...E winds around 5 kt. Seas less than 2 ft or less. Bay and inland waters smooth. Showers likely with a chance of tstms. .SUN...SE winds around 5 kt, becoming SW in the afternoon. Seas less than 2 ft or less. Bay and inland waters smooth. Showers likely with a chance of tstms. .SUN NIGHT...S winds around 5 kt. Seas less than 2 ft or less. Bay and inland waters smooth. Showers likely with a chance of tstms. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. Showers with a chance of tstms in the morning, then showers with tstms likely in the afternoon. .MON NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers likely. Tstms likely early in the evening, then a chance of tstms in the late evening and overnight. .TUE...S winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers with a chance of tstms until late afternoon, then showers and tstms likely late. .TUE NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers likely. Tstms likely early in the evening, then a chance of tstms in the late evening and overnight. Winds and seas higher in and near tstms. $$ AMZ610-182100- Lake Okeechobee- 401 AM EDT Fri Sep 18 2026 .TODAY...NE winds 5 to 10 kt. Lake waters light chop. A slight chance of showers and tstms late this morning. Showers and tstms likely this afternoon. .TONIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Lake waters light chop. Showers and tstms likely early in the evening. .SAT...NE winds around 5 kt. Lake waters smooth. A chance of showers and tstms in the afternoon. .SAT NIGHT...E winds around 5 kt. Lake waters smooth. Showers and tstms likely early in the evening, then a chance of tstms late in the evening. A chance of showers in the late evening and early morning. .SUN...E winds around 5 kt. Lake waters smooth. Showers and tstms in the afternoon. .SUN NIGHT...SE winds around 5 kt. Lake waters smooth. Showers with tstms likely early in the evening, then a chance of tstms late in the evening. A chance of showers in the late evening and early morning. .MON...S winds around 5 kt. Lake waters smooth. A chance of showers and tstms in the morning, then showers and tstms in the afternoon. .MON NIGHT...SE winds around 5 kt. Lake waters smooth. Showers and tstms early in the evening. .TUE...S winds around 5 kt. Lake waters smooth. A chance of showers and tstms in the morning, then showers and tstms in the afternoon. .TUE NIGHT...SE winds around 5 kt. Lake waters smooth. Showers and tstms early in the evening. Winds and waves higher in and near tstms. $$ AMZ630-182100- Biscayne Bay- 401 AM EDT Fri Sep 18 2026 .TODAY...E winds around 5 kt. Smooth. A chance of showers and tstms until late afternoon, then showers and tstms likely late. .TONIGHT...NE winds around 5 kt. Smooth. Showers and tstms likely early in the evening, then a chance of showers and tstms in the late evening and overnight. .SAT...N winds around 5 kt, becoming E in the afternoon. Smooth. A chance of tstms. A chance of showers until late afternoon, then showers likely late. .SAT NIGHT...SE winds around 5 kt. Smooth. A chance of tstms. Showers likely until early morning, then a chance of showers late. .SUN...S winds around 5 kt. Smooth. A chance of showers and tstms in the morning, then showers with tstms likely in the afternoon. .SUN NIGHT...S winds around 5 kt. Smooth. Showers with a chance of tstms until early morning, then a chance of showers late. .MON...S winds around 5 kt. Smooth. Showers likely with a chance of tstms in the morning, then showers with tstms likely in the afternoon. .MON NIGHT...S winds 5 to 10 kt. Light chop. Showers with tstms likely early in the evening, then showers likely with a chance of tstms in the late evening and overnight. .TUE...S winds around 5 kt. Smooth. Showers likely with a chance of tstms in the morning, then showers with tstms likely in the afternoon. .TUE NIGHT...SE winds 5 to 10 kt. Light chop. Tstms likely in the evening. Showers. A chance of tstms after midnight. Winds and waves higher in and near tstms. $$