Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
754 FZUS52 KKEY 282025 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 425 PM 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. GMZ005-290230- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 425 PM EDT Tue May 28 2024 .SYNOPSIS...Light to gentle, generally variable breezes are expected through Thursday. High pressure currently over south- central Canada will emerge off the Mid-Atlantic coast by the end of the work week. This will result in fresh northeast to east breezes beginning as early as Friday night, lasting through early next week. 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. $$ GMZ031-290230- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 425 PM EDT Tue May 28 2024 .TONIGHT...Southwest winds near 5 knots. Bay waters smooth. Scattered showers. .WEDNESDAY...West to northwest winds near 5 knots, becoming southwest. Bay waters smooth. Isolated showers. .WEDNESDAY NIGHT...Variable near 5 knots, becoming northeast to east. Bay waters smooth. Isolated showers and thunderstorms. .THURSDAY...Northeast to east winds near 5 knots, becoming east and increasing to near 10 knots. Bay waters smooth, becoming a light chop. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers and thunderstorms. .FRIDAY...Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Bay waters a light to moderate chop, becoming a moderate chop. Isolated showers and thunderstorms. .FRIDAY NIGHT...Northeast to east winds 15 to 20 knots. Bay waters choppy. Isolated showers and thunderstorms. .SATURDAY THROUGH SUNDAY...Northeast to east winds near 20 knots. Bay waters rough. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...Northeast to east winds 15 to 20 knots. Bay waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ032-035-290230- 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- 425 PM EDT Tue May 28 2024 .TONIGHT...Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY...Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY NIGHT...Variable winds near 5 knots, becoming northeast to east. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms. .THURSDAY...Northeast to east winds near 5 knots, becoming east and increasing to near 10 knots. Seas 1 foot or less, building to around 1 foot. Nearshore waters smooth, becoming a light chop. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop. Isolated showers and thunderstorms. .FRIDAY...Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers and thunderstorms. .FRIDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas building to 2 to 3 feet, except building to 3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy. Isolated showers and thunderstorms. .SATURDAY THROUGH SUNDAY...Northeast to east winds near 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the Marquesas Keys, occasionally to 5 feet. Nearshore waters rough. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas subsiding to 2 to 3 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ042>044-290230- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 425 PM EDT Tue May 28 2024 .TONIGHT...Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY...Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. .WEDNESDAY NIGHT...Variable winds near 5 knots, becoming northeast to east. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms. .THURSDAY...Northeast to east winds near 5 knots, becoming east and increasing to near 10 knots. Seas 1 foot or less, building to around 1 foot. Nearshore waters smooth, becoming a light chop. Isolated showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers and thunderstorms. .FRIDAY...Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers and thunderstorms. .FRIDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Isolated showers and thunderstorms. .SATURDAY THROUGH SUNDAY...Northeast to east winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Nearshore waters rough. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-290230- 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- 425 PM EDT Tue May 28 2024 .TONIGHT...Variable winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 4 seconds. Isolated showers. .WEDNESDAY...Variable winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3 seconds. Isolated showers. .WEDNESDAY NIGHT...Variable winds 5 to 10 knots, becoming east. Seas 1 to 2 feet. Wave Detail: Northeast to east 1 foot at 3 seconds. Isolated showers and thunderstorms. .THURSDAY...Northeast to east winds 5 to 10 knots, increasing to 10 to 15 knots. Seas building to 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, increasing to near 15 knots. Seas building to 3 to 4 feet, occasionally to 5 feet. Isolated showers and thunderstorms. .FRIDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers and isolated thunderstorms. .SATURDAY THROUGH SUNDAY...Northeast to east winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Scattered showers and isolated thunderstorms. $$ GMZ033-034-290230- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 425 PM EDT Tue May 28 2024 .TONIGHT...Variable winds near 5 knots. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 3 seconds. Isolated showers. .WEDNESDAY...Northwest to north winds near 5 knots. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 3 seconds. Isolated showers. .WEDNESDAY NIGHT...Variable winds near 5 knots, becoming east to southeast. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 3 seconds. Isolated showers and thunderstorms. .THURSDAY...Northeast to east winds 5 to 10 knots. Seas building to 1 to 2 feet. Isolated showers and thunderstorms. .THURSDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms. .FRIDAY NIGHT...Northeast to east winds increasing to 15 to 20 knots. Seas building to 2 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .SATURDAY THROUGH SUNDAY...Northeast to east winds near 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. $$ BT