FZUS52 KKEY 291426 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 1026 AM EDT Tue Apr 29 2025 Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of America, 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. GMZ005-292030- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1026 AM EDT Tue Apr 29 2025 .SYNOPSIS... Moderate to breezes today will freshen by tonight as high pressure continues to build in to the region. The high will remain fairly stagnant in place through the middle of the week, so breezes will oscillate between moderate to fresh on a weak diurnal trend with stronger breezes in the evening hours. Occasional pushes of moisture throughout the week will allow for some isolated shower activity, particularly later this afternoon and evening. The Approximate Shoreward Edge of the Gulf Stream as of April 22nd... 30 NM South of Dry Tortugas Light...on Loggerhead Key. 6 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 2 NM South of Sand Key Light...off Key West. 4 NM South of Looe Key...off Big Pine Key. 5 NM South of Sombrero Key Light...off Marathon. 7 NM Southeast of Alligator Reef Light...off Islamorada. 5 NM Southeast of Molasses Reef Light...off Key Largo. 4 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 NASA SPoRT. $$ GMZ031-292030- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1026 AM EDT Tue Apr 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT... .THIS AFTERNOON...East winds near 15 knots, increasing to 15 to 20 knots. Bay waters a moderate chop, becoming choppy. Isolated showers. .TONIGHT...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Bay waters choppy, becoming rough. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Bay waters choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Bay waters choppy, becoming a moderate chop. .THURSDAY...East winds near 15 knots. Bay waters a moderate chop. Isolated showers. .THURSDAY NIGHT...East winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop. Isolated showers. .FRIDAY...East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers. .SATURDAY...Southeast winds near 10 knots, decreasing to 5 to 10 knots. Bay waters a light chop, becoming smooth to a light chop. Isolated showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers. $$ GMZ032-035-292030- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 1026 AM EDT Tue Apr 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT... .THIS AFTERNOON...East winds near 15 knots, increasing to 15 to 20 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming choppy. Isolated showers. .TONIGHT...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of the Marquesas Keys. Nearshore waters choppy, becoming rough. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 1 to 2 feet, except around 3 feet west of the Marquesas Keys. Nearshore waters choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a moderate chop. .THURSDAY...East winds near 15 knots. Seas 1 to 2 feet, except around 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop. Isolated showers. .THURSDAY NIGHT...East winds near 15 knots, decreasing to 10 to 15 knots. Seas 1 to 2 feet, except around 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. .FRIDAY...East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas around 1 foot. Nearshore waters a light to moderate chop. Isolated showers. .SATURDAY AND SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers. $$ GMZ042>044-292030- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1026 AM EDT Tue Apr 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS... ...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT... .THIS AFTERNOON...East winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters a moderate chop, becoming choppy. Isolated showers. .TONIGHT...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 3 to 5 feet, occasionally to 6 feet. Nearshore waters choppy, becoming rough. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. .WEDNESDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. .THURSDAY...East winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters a moderate chop. Isolated showers. .THURSDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Nearshore waters choppy, becoming a moderate chop. Isolated showers. .FRIDAY...East to southeast winds decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters becoming a light to moderate chop. Isolated showers. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. Isolated showers. .SATURDAY AND SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Isolated showers. $$ GMZ052>055-072>075-292030- 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 AM EDT Tue Apr 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... ...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT... .THIS AFTERNOON...Northeast to east winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. Isolated showers. .TONIGHT...Northeast to east winds 15 to 20 knots, increasing to near 20 knots. Seas building to 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. Isolated showers. .WEDNESDAY...Northeast to east winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. Isolated showers. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Isolated showers. .THURSDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers. .FRIDAY...East winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 2 to 4 feet, occasionally to 5 feet. Isolated showers. .FRIDAY NIGHT...East winds 10 to 15 knots, decreasing to near 10 knots. Seas subsiding to 2 to 3 feet. Isolated showers. .SATURDAY...East to southeast winds near 10 knots. Seas 2 to 3 feet. Isolated showers. .SATURDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet. Isolated showers. $$ GMZ033-034-292030- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1026 AM EDT Tue Apr 29 2025 ...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT... .THIS AFTERNOON...East winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers. .TONIGHT...Northeast to east winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .WEDNESDAY...East winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet, building to 2 to 4 feet. Wave Detail: Northeast to east 3 feet at 5 seconds. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. .THURSDAY...East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. .THURSDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to 3 feet. Isolated showers. .FRIDAY...East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. .FRIDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Isolated showers. .SATURDAY AND SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers. $$ JAM/DP