Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
423 FZUS52 KKEY 271431 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 1031 AM EDT Thu Jun 27 2024 Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of Mexico, including The Florida Keys National Marine Sanctuary Seas are given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Wave Detail will include details about the period and direction of origin for the highest energy waves. Long-period swells coming from a different direction than the wind would be included in the Wave Detail. GMZ005-272045- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1031 AM EDT Thu Jun 27 2024 .SYNOPSIS...A weak ridge axis extending from the western Atlantic over the Straits of Florida will cause light to gentle breezes across Keys waters through tonight. Breezes may become variable during this period. By Friday, the ridge will shift north towards the Florida Peninsula and allow breezes to gradually back to southeasterlies by Friday night and easterlies on Saturday. High pressure rebuilding off the east coast over the weekend will build gentle to moderate breezes across the Keys waters. The Approximate Shoreward Edge of the Gulf Stream as of June 24... 65 NM South of Dry Tortugas Light...on Loggerhead Key. 28 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 16 NM South of Sand Key Light...off Key West. 11 NM South of Looe Key...off Big Pine Key. 11 NM South of Sombrero Key Light...off Marathon. 17 NM Southeast of Alligator Reef Light...off Islamorada. 11 NM Southeast of Molasses Reef Light...off Key Largo. Gulf Stream Information Courtesy of the National Weather Service in Key West. $$ GMZ031-272045- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1031 AM EDT Thu Jun 27 2024 .THIS AFTERNOON...South to southwest winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. .TONIGHT...South winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and thunderstorms. .FRIDAY...Southeast winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. .FRIDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. .SATURDAY...East winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. .SUNDAY THROUGH MONDAY NIGHT...East to southeast winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms. $$ GMZ032-035-272045- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 1031 AM EDT Thu Jun 27 2024 .THIS AFTERNOON...South to southwest winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms. .TONIGHT...Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms. .FRIDAY...Southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. .FRIDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. .SATURDAY...East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. .SUNDAY...East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT AND MONDAY...East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. $$ GMZ042>044-272045- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1031 AM EDT Thu Jun 27 2024 .THIS AFTERNOON...South to southwest winds near 5 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms. .TONIGHT...Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms. .FRIDAY...Southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. .FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .SATURDAY...East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. .SUNDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. .MONDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-272045- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1031 AM EDT Thu Jun 27 2024 .THIS AFTERNOON...Southeast to south winds near 5 knots. Seas around 1 foot. Isolated showers and thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 1 foot. Wave Detail: East to southeast 1 foot at 2 seconds. Scattered showers and isolated thunderstorms. .FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. Scattered showers and isolated thunderstorms. .FRIDAY NIGHT...East to southeast winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT AND SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. .MONDAY...East to southeast winds near 10 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers and isolated thunderstorms. $$ GMZ033-034-272045- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 1031 AM EDT Thu Jun 27 2024 .THIS AFTERNOON...South to southwest winds near 5 knots. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 4 seconds and southwest to west 1 foot at 2 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...Southeast to south winds near 5 knots. Seas around 1 foot. Wave Detail: Northwest 1 foot at 4 seconds and southeast to south 1 foot at 2 seconds. Isolated showers and thunderstorms. .FRIDAY...Southeast to south winds near 5 knots. Seas around 1 foot. Wave Detail: Southeast to south 1 foot at 3 seconds. Scattered showers and isolated thunderstorms. .FRIDAY NIGHT...East to southeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT AND SUNDAY...East winds near 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT THROUGH MONDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. $$ CLR