Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
758 FZUS52 KKEY 050226 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 1026 PM EDT Fri Oct 4 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. GMZ005-050845- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1026 PM EDT Fri Oct 4 2024 .SYNOPSIS...Gentle to moderate east to southeast breezes will continue tonight through the weekend, as a broad area of low pressure and a weak frontal boundary fester in the Gulf of Mexico. The low pressure system is expected to slowly organize over the Gulf, possibly into a tropical cyclone by early next week. Regardless of development, an extended period of above normal rain and thunder chances along with freshening breezes are expected for early next week. The Approximate Shoreward Edge of the Gulf Stream as of October 1... 25 NM South of Dry Tortugas Light...on Loggerhead Key. 15 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 14 NM South of Sand Key Light...off Key West. 13 NM South of Looe Key...off Big Pine Key. 15 NM South of Sombrero Key Light...off Marathon. 8 NM Southeast of Alligator Reef Light...off Islamorada. 3 NM Southeast of Molasses Reef Light...off Key Largo. 3 NM East of Carysfort Reef Light...off Ocean Reef. Gulf Stream Information Courtesy of the National Weather Service in Key West based on products from the Real Time Ocean Forecast System. $$ GMZ031-050845- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1026 PM EDT Fri Oct 4 2024 .OVERNIGHT...East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and thunderstorms. .SATURDAY...East winds near 10 knots. Bay waters a light chop. Scattered showers and thunderstorms. .SATURDAY NIGHT...East to southeast winds near 10 knots. Bay waters a light chop. Scattered showers and thunderstorms. .SUNDAY...Southeast winds near 10 knots. Bay waters a light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Numerous showers and scattered thunderstorms. .MONDAY...Southeast to south winds near 10 knots, becoming south to southwest. Bay waters a light chop. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...South to southwest winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY THROUGH WEDNESDAY...Southwest winds near 15 knots. Bay waters a moderate chop. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ032-035-050845- 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- 1026 PM EDT Fri Oct 4 2024 .OVERNIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and thunderstorms. .SATURDAY AND SATURDAY NIGHT...East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and thunderstorms. .SUNDAY...Southeast to south winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Numerous showers and scattered thunderstorms. .MONDAY...Southeast to south winds near 10 knots, becoming south to southwest and increasing to 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...Southwest winds 10 to 15 knots, increasing to near 15 knots. Seas 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...Southwest 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. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT AND WEDNESDAY...Southwest winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 5 feet, occasionally to 6 feet west of the Marquesas Keys. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 6 feet, occasionally to 7 feet west of the Marquesas Keys due to west swell. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ042>044-050845- 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- 1026 PM EDT Fri Oct 4 2024 .OVERNIGHT...East winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Scattered showers and thunderstorms. .SATURDAY AND SATURDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. .SUNDAY...Southeast to south winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Numerous showers and scattered thunderstorms. .MONDAY...Southeast to south winds near 10 knots, becoming south to southwest and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...Southwest winds 10 to 15 knots, increasing to near 15 knots. Seas around 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop. Numerous showers and scattered thunderstorms. .TUESDAY...Southwest winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT AND WEDNESDAY...South to southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. West of Cosgrove Shoal Light, seas 4 to 5 feet, occasionally 6 feet. Nearshore waters choppy. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 4 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light due to west swell. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms. $$ GMZ052>055-072>075-050845- 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- 1026 PM EDT Fri Oct 4 2024 .OVERNIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. Scattered showers and thunderstorms. .SATURDAY AND SATURDAY NIGHT...East to southeast winds near 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. Scattered showers and thunderstorms. .SUNDAY...Southeast to south winds near 10 knots. Seas 1 to 3 feet. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southeast to south winds near 10 knots. Seas 1 to 3 feet. Numerous showers and scattered thunderstorms. .MONDAY...Southeast to south winds near 10 knots, becoming south to southwest and increasing to 10 to 15 knots. Seas 2 to 3 feet. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...Southwest winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 3 to 4 feet. Numerous showers and scattered thunderstorms. .TUESDAY...Southwest winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT AND WEDNESDAY...South to southwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet due to west swell. Scattered showers and isolated thunderstorms. $$ GMZ033-034-050845- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 1026 PM EDT Fri Oct 4 2024 .OVERNIGHT...East to southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. Numerous showers and scattered thunderstorms. .SATURDAY AND SATURDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. Numerous showers and scattered thunderstorms. .SUNDAY...Southeast to south winds near 10 knots. Seas 1 to 2 feet. Numerous showers and scattered thunderstorms. .SUNDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas around 1 foot. Numerous showers and scattered thunderstorms. .MONDAY...Southeast to south winds near 10 knots, becoming south to southwest and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...South to southwest winds 10 to 15 knots, increasing to near 15 knots. Seas around 2 feet, building to 2 to 3 feet. Numerous showers and scattered thunderstorms. .TUESDAY AND TUESDAY NIGHT...Southwest winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers and scattered thunderstorms. .WEDNESDAY...Southwest winds 15 to 20 knots, becoming becoming west to northwest and decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...Northwest winds 10 to 15 knots, becoming north to northeast. Seas 5 to 7 feet, occasionally to 8 feet due to west swell. Scattered showers and isolated thunderstorms. $$