Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
690 FZUS52 KKEY 310834 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 434 AM EDT Fri May 31 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. GMZ005-311445- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 434 AM EDT Fri May 31 2024 .SYNOPSIS...High pressure over the Ohio Valley will dive southeastward, emerging off the Mid- Atlantic coast over the weekend. This will result in freshened northeast to east breezes beginning this afternoon, lasting through much of the weekend. The Approximate Shoreward Edge of the Gulf Stream as of May 29, 2024... 55 NM South of Dry Tortugas Light...on Loggerhead Key. 41 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 30 NM South of Sand Key Light...off Key West. 41 NM South of Looe Key...off Big Pine Key. 25 NM South of Sombrero Key Light...off Marathon. 6 NM South of Alligator Reef Light...off Islamorada. 8 NM South of Molasses Reef Light...off Key Largo. Gulf Stream Information Courtesy of the National Weather Service in Key West. $$ GMZ031-311445- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 434 AM EDT Fri May 31 2024 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED TONIGHT... .TODAY...Northeast to east winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Bay waters a light to moderate chop, becoming choppy. Isolated showers and thunderstorms. .TONIGHT...Northeast to east winds near 20 knots, decreasing to 15 to 20 knots. Bay waters rough, becoming choppy. Isolated showers and thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Bay waters choppy, becoming rough. Isolated showers and thunderstorms. .SATURDAY NIGHT...East winds near 20 knots, decreasing to 15 to 20 knots. Bay waters rough, becoming choppy. Scattered showers and isolated thunderstorms. .SUNDAY...East winds near 15 knots, increasing to 15 to 20 knots. Bay waters a moderate chop, becoming choppy. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots after midnight. Bay waters choppy, becoming a moderate chop. Scattered showers and isolated thunderstorms. .MONDAY AND MONDAY NIGHT...East winds near 15 knots. Bay waters a moderate chop. Scattered showers and isolated thunderstorms. .TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots, increasing to near 15 knots in the afternoon. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ032-035-311445- 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- 434 AM EDT Fri May 31 2024 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED TONIGHT... .TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots early. Seas 1 to 2 feet. Nearshore waters a light to moderate chop, becoming choppy. Isolated showers and thunderstorms. .TONIGHT...Northeast to east winds near 20 knots, decreasing to 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 rough, becoming choppy. Scattered showers and isolated thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters choppy, becoming rough. Isolated showers and thunderstorms. .SATURDAY NIGHT...East winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters rough, becoming choppy. Scattered showers and isolated thunderstorms. .SUNDAY...East winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming choppy. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a moderate chop. Scattered showers and isolated thunderstorms. .MONDAY AND MONDAY NIGHT...East winds near 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms. .TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ042>044-311445- 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- 434 AM EDT Fri May 31 2024 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED TONIGHT... .TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots this afternoon. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming choppy late. Isolated showers and thunderstorms. .TONIGHT...Northeast to east winds near 20 knots, decreasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 3 to 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore waters rough, becoming choppy. Isolated showers and thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming rough. Isolated showers and thunderstorms. .SATURDAY NIGHT...East winds near 20 knots, decreasing to 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Nearshore waters rough, becoming choppy. Scattered showers and isolated thunderstorms. .SUNDAY...East winds near 15 knots, increasing to 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Nearshore waters a moderate chop, becoming choppy. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. Scattered showers and isolated thunderstorms. .MONDAY AND MONDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms. .TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-311445- 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- 434 AM EDT Fri May 31 2024 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED TONIGHT... .TODAY...Northeast to east winds 10 to 15 knots, increasing to 15 to 20 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 4 feet at 4 seconds. Isolated showers and thunderstorms. .TONIGHT...Northeast to east winds near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. Isolated showers and thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. Isolated showers and thunderstorms. .SATURDAY NIGHT...East winds near 20 knots, decreasing to 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Scattered showers and isolated thunderstorms. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Scattered showers and isolated thunderstorms. .MONDAY AND MONDAY NIGHT...East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. $$ GMZ033-034-311445- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 434 AM EDT Fri May 31 2024 ...SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED TONIGHT... .TODAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds and northwest to north 1 foot at 4 seconds. Scattered showers and isolated thunderstorms. .TONIGHT...East winds near 15 knots, increasing to near 20 knots early. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 4 seconds. Scattered showers and isolated thunderstorms. .SATURDAY...Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast to east 4 feet at 4 seconds. Scattered showers and isolated thunderstorms. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .SUNDAY...East winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .SUNDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. .MONDAY...East winds decreasing to 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. .MONDAY NIGHT...East winds increasing to near 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. .TUESDAY...East winds near 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. $$