Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
287 FZUS52 KKEY 212024 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 424 PM EDT Fri Jun 21 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. GMZ005-220230- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 424 PM EDT Fri Jun 21 2024 .SYNOPSIS...Interaction among low pressure off the east coast of Florida, high pressure centered north of Bermuda, and broad low pressure in the vicinity of the Yucatan Peninsula will result in gentle to moderate east to southeast breezes over the next few days. Moisture pulled into our area via the low to the west will result in waves of unsettled weather this weekend. High pressure building over the North Atlantic early next week will result in light to gentle southeast to south breezes and a return to near- normal rain and thunder chances. The Approximate Shoreward Edge of the Gulf Stream as of June 19... 67 NM South of Dry Tortugas Light...on Loggerhead Key. 35 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 28 NM South of Sand Key Light...off Key West. 29 NM South of Looe Key...off Big Pine Key. 34 NM South of Sombrero Key Light...off Marathon. 23 NM Southeast of Alligator Reef Light...off Islamorada. 19 NM Southeast of Molasses Reef Light...off Key Largo. Gulf Stream Information Courtesy of the National Weather Service in Key West. $$ GMZ031-220230- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 424 PM EDT Fri Jun 21 2024 .TONIGHT...East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop. Scattered showers and thunderstorms. .SATURDAY AND SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and thunderstorms. .SUNDAY...East winds near 10 knots. Bay waters a light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...East to southeast winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms. .MONDAY...East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and thunderstorms. .TUESDAY...Southeast to south winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. .TUESDAY NIGHT...South to southwest winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. .WEDNESDAY AND WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$ GMZ032-035-220230- 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- 424 PM EDT Fri Jun 21 2024 .TONIGHT...East to southeast winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop. Scattered showers and thunderstorms. .SATURDAY...East to southeast winds near 15 knots. Seas 1 to 2 feet, except around 2 feet west of the Marquesas Keys. Nearshore waters a moderate chop. Scattered showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas around 1 foot. Nearshore waters light to moderate chop, becoming a light chop. Scattered showers and thunderstorms. .SUNDAY...East to southeast winds near 10 knots. Seas 1 foot or less. Nearshore waters a light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southeast winds near 10 knots. Seas 1 foot or less. Nearshore waters a light chop. Scattered showers and isolated thunderstorms. .MONDAY...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. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms. .TUESDAY AND TUESDAY NIGHT...Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. .WEDNESDAY NIGHT...South to southwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$ GMZ042>044-220230- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 424 PM EDT Fri Jun 21 2024 .TONIGHT...East to southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and thunderstorms. .SATURDAY...East to southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a light chop. Scattered showers and thunderstorms. .SUNDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. .MONDAY...East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms. .TUESDAY...Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. .TUESDAY NIGHT...South winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. .WEDNESDAY AND WEDNESDAY NIGHT...South to southwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-220230- 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- 424 PM EDT Fri Jun 21 2024 .TONIGHT...East to southeast winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. Numerous showers and scattered thunderstorms. .SATURDAY...East to southeast winds near 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds near 15 knots, decreasing to 10 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 5 seconds. Numerous showers and scattered thunderstorms. .SUNDAY...East to southeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 2 feet, subsiding to 1 to 2 feet. Scattered showers and thunderstorms. .SUNDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. .MONDAY...East to southeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...East to southeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .TUESDAY AND TUESDAY NIGHT....Southeast to south winds near 5 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .WEDNESDAY...South to southwest winds near 5 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .WEDNESDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. $$ GMZ033-034-220230- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 424 PM EDT Fri Jun 21 2024 .TONIGHT...East to southeast winds near 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 4 seconds and west to northwest 1 foot at 8 seconds. Numerous showers and scattered thunderstorms. .SATURDAY...East to southeast winds near 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and northwest 1 foot at 7 seconds. Scattered showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds near 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. Scattered showers and thunderstorms. .SUNDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southeast winds near 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .MONDAY...East to southeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 1 foot. Isolated showers and thunderstorms. .TUESDAY...Southeast to south winds near 5 knots. Seas 1 foot or less. Scattered showers and isolated thunderstorms. .TUESDAY NIGHT...South winds near 5 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .WEDNESDAY...Southwest winds near 5 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. .WEDNESDAY NIGHT...South to southwest winds near 5 knots, becoming south 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. $$