Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
453 FZUS52 KKEY 280827 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 427 AM EDT Tue May 28 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. GMZ005-281430- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 427 AM EDT Tue May 28 2024 .SYNOPSIS...Light to gentle breezes will prevail today through Thursday night. High pressure will emerge from the southeastern United States before the weekend, then build across the western North Atlantic. Fresh northeast to east breezes are possible by Friday night or Saturday as the high matures near Bermuda. The Approximate Shoreward Edge of the Gulf Stream as of May 26... 50 NM South of Dry Tortugas Light...on Loggerhead Key. 47 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 41 NM South of Sand Key Light...off Key West. 27 NM South of Looe Key...off Big Pine Key. 23 NM South of Sombrero Key Light...off Marathon. 26 NM South of Alligator Reef Light...off Islamorada. 21 NM South of Molasses Reef Light...off Key Largo. Gulf Stream Information Courtesy of the National Weather Service in Key West. $$ GMZ031-281430- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 427 AM EDT Tue May 28 2024 .TODAY...Southeast to south winds near 10 knots, becoming south near 5 knots. Bay waters a light chop, becoming smooth. Isolated showers. .TONIGHT...Southwest winds near 5 knots. Bay waters smooth. Isolated showers. .WEDNESDAY...West to northwest winds near 5 knots, becoming southwest in the afternoon. Bay waters smooth. Isolated showers. .WEDNESDAY NIGHT...South to southwest winds near 5 knots, becoming east to southeast after midnight. Bay waters smooth. Isolated showers. .THURSDAY...East winds near 5 knots, becoming east to southeast near 10 knots in the afternoon. Bay waters smooth, becoming a light chop. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds near 10 knots. Bay waters a light chop. Isolated showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. .FRIDAY NIGHT...Northeast to east winds near 15 knots. Bay waters a moderate chop. Isolated showers and thunderstorms. .SATURDAY AND SATURDAY NIGHT...Northeast to east winds 15 to 20 knots. Bay waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ032-035-281430- 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- 427 AM EDT Tue May 28 2024 .TODAY...Southeast to south winds 5 to 10 knots, becoming southwest to west near 5 knots. Seas 1 foot or less. Nearshore waters a light chop, becoming smooth. Isolated showers. .TONIGHT...Northwest winds near 5 knots, becoming northeast to east after midnight. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY...Northwest winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY NIGHT...Southwest to west winds near 5 knots, becoming east to southeast after midnight. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .THURSDAY...East winds near 5 knots, becoming east to southeast near 10 knots. Seas 1 foot or less. Nearshore waters smooth, becoming a light chop. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Isolated showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers and thunderstorms. .FRIDAY NIGHT...Northeast to east winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop. Isolated showers and thunderstorms. .SATURDAY AND SATURDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ042>044-281430- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 427 AM EDT Tue May 28 2024 .TODAY...Southeast to south winds 10 to 15 knots, becoming southeast 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light to moderate chop, becoming smooth to a light chop. Isolated showers. .TONIGHT...East winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY...Northwest to north winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY NIGHT...Southwest to west winds near 5 knots, becoming east after midnight. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .THURSDAY...East winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. Isolated showers and thunderstorms. .FRIDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Isolated showers and thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT...Northeast to east winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Nearshore waters rough. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-281430- 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- 427 AM EDT Tue May 28 2024 .TODAY...Southeast winds near 10 knots, becoming east 5 to 10 knots. Seas around 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. Isolated showers. .TONIGHT...East winds 5 to 10 knots. Seas around 1 foot. Wave Detail: East 1 foot at 4 seconds. Isolated showers. .WEDNESDAY...Northeast winds near 5 knots. Seas around 1 foot. Wave Detail: East 1 foot at 3 seconds. Isolated showers. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers. .THURSDAY...East winds near 10 knots. Seas around 2 feet. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms. .FRIDAY...Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms. .FRIDAY NIGHT...East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Isolated showers and thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers and thunderstorms. .SATURDAY NIGHT...Northeast to east winds near 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers and isolated thunderstorms. $$ GMZ033-034-281430- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 427 AM EDT Tue May 28 2024 .TODAY...Southeast to south winds 5 to 10 knots, becoming north near 5 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 3 seconds. Isolated showers. .TONIGHT...North winds near 5 knots. Seas around 1 foot. Wave Detail: North 1 foot at 4 seconds. Isolated showers. .WEDNESDAY...North winds near 5 knots. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 4 seconds. Isolated showers. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east to southeast after midnight. Seas 1 to 2 feet. Isolated showers. .THURSDAY...East to southeast winds near 5 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms. .THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms. .FRIDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 2 to 4 feet. Isolated showers and thunderstorms. .SATURDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers and isolated thunderstorms. $$ CLR