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Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
369 FZUS52 KKEY 092021 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 421 PM EDT Sun Jun 9 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. GMZ005-100230- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 421 PM EDT Sun Jun 9 2024 .SYNOPSIS...The pattern will feature weak high pressure over the western North Atlantic and a frontal boundary stalled over northern Florida. This will result in light to gentle southerly breezes across the Keys coastal waters tonight through Monday. Freshening breezes and an extended period of unsettled weather may begin as early as Tuesday and will persist through Thursday night. The Approximate Shoreward Edge of the Gulf Stream as of June 4, 2024... 57 NM South of Dry Tortugas Light...on Loggerhead Key. 41 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 38 NM South of Sand Key Light...off Key West. 37 NM South of Looe Key...off Big Pine Key. 33 NM South of Sombrero Key Light...off Marathon. 7 NM South of Alligator Reef Light...off Islamorada. 5 NM South of Molasses Reef Light...off Key Largo. Gulf Stream Information Courtesy of the National Weather Service in Key West. $$ GMZ031-100230- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 421 PM EDT Sun Jun 9 2024 .TONIGHT...South to southwest winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms. .MONDAY...South winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. Bay waters a light to moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY...South winds near 15 knots. Bay waters a moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...Southeast to south winds near 15 knots. Bay waters a moderate chop. Numerous showers and scattered thunderstorms. .WEDNESDAY...Southeast to south winds 15 to 20 knots. Bay waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...South winds decreasing to 10 to 15 knots. Bay waters a light to moderate chop. Numerous showers and scattered thunderstorms. .THURSDAY...Southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Numerous showers and scattered thunderstorms. .THURSDAY NIGHT...Southeast winds near 15 knots. Bay waters a moderate chop. Scattered showers and thunderstorms. .FRIDAY AND FRIDAY NIGHT...Southeast to south winds 15 to 20 knots. Bay waters choppy. Numerous showers and scattered thunderstorms. $$ GMZ032-035-100230- 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- 421 PM EDT Sun Jun 9 2024 .TONIGHT...Southeast to south winds 5 to 10 knots, becoming south to southwest near 10 knots. Seas 1 foot or less, building to around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Scattered showers and isolated thunderstorms. .MONDAY...South winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots, increasing to near 15 knots. Seas building to 1 to 2 feet, except building to 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY...South winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...South winds 15 to 20 knots. Seas 1 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY...Southeast to south winds 15 to 20 knots. Seas 1 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...Southeast to south winds decreasing to near 15 knots. Seas 1 to 2 feet, except around 3 feet west of the Marquesas Keys. Nearshore waters becoming a moderate chop. Numerous showers and scattered thunderstorms. .THURSDAY...Southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a moderate chop. Numerous showers and scattered thunderstorms. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 1 to 2 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters choppy. Scattered showers and thunderstorms. .FRIDAY...Southeast to south winds 15 to 20 knots. Seas 1 to 2 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .FRIDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas building to 2 to 4 feet, except 4 to 5 feet west of Marquesas Keys. Nearshore waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ042>044-100230- 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- 421 PM EDT Sun Jun 9 2024 .TONIGHT...South 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. Scattered showers and isolated thunderstorms. .MONDAY...South winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots, increasing to near 15 knots. Seas building to 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY...South winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of Cosgrove Shoal Light. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY...Southeast to south winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...Southeast to south winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas subsiding to 2 to 3 feet. Nearshore waters choppy, becoming a light to moderate chop. Numerous showers and scattered thunderstorms. .THURSDAY...Southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Numerous showers and scattered thunderstorms. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Scattered showers and thunderstorms. .FRIDAY...Southeast to south winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .FRIDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas 2 to 4 feet, building to 3 to 5 feet. West of Cosgrove Shoal Light, seas building to 5 to 6 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-100230- 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- 421 PM EDT Sun Jun 9 2024 .TONIGHT...Southeast to south winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. Scattered showers and isolated thunderstorms. .MONDAY...Southeast to south winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet. Wave Detail: South 1 foot at 3 seconds and northeast to east 1 foot at 3 seconds. Scattered showers and isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots, increasing to near 15 knots. Seas building to 2 to 3 feet. Wave Detail: Southeast to south 2 feet at 4 seconds. Numerous showers and scattered thunderstorms. .TUESDAY...South winds near 15 knots. Seas 2 to 3 feet. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...Southeast to south winds increasing to 15 to 20 knots. Seas building to 2 to 4 feet. Numerous showers and scattered thunderstorms. .WEDNESDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...Southeast to south winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .THURSDAY...Southeast winds increasing to near 15 knots. Seas 2 to 3 feet. Numerous showers and scattered thunderstorms. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers and thunderstorms. .FRIDAY...Southeast to south winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Numerous showers and scattered thunderstorms. .FRIDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 7 feet. Scattered showers and isolated thunderstorms. $$ GMZ033-034-100230- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 421 PM EDT Sun Jun 9 2024 .TONIGHT...Variable winds near 5 knots, becoming southeast and increasing to near 10 knots. Seas 1 foot or less, building to around 1 foot. Wave Detail: Southeast to south 1 foot at 3 seconds. Scattered showers and isolated thunderstorms. .MONDAY...South winds near 10 knots. Seas around 1 foot. Wave Detail: South 1 foot at 3 seconds. Scattered showers and isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots, increasing to near 15 knots. Seas building to 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. Numerous showers and scattered thunderstorms. .TUESDAY...South winds near 15 knots. Seas 2 to 4 feet. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .WEDNESDAY...Southeast to south winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Widespread showers and scattered thunderstorms. .WEDNESDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .THURSDAY...Southeast to south winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers and thunderstorms. .FRIDAY...Southeast to south winds near 15 knots. Seas 2 to 3 feet. Numerous showers and scattered thunderstorms. .FRIDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas building to 4 to 6 feet. Scattered showers and isolated thunderstorms. $$