Coastal Waters Forecast
Issued by NWS Key West, FL
Issued by NWS Key West, FL
723 FZUS52 KKEY 242120 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 420 PM EST Sun Nov 24 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. GMZ005-250400- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 420 PM EST Sun Nov 24 2024 .SYNOPSIS...Gentle to moderate breezes will prevail tonight across the nearshore waters. Expect sustained northeasterly to easterly breezes while a broad high pressure system sets up over the southeastern United States. A period of isolated showers is possible on Tuesday, primarily over the Florida Straits, despite the deep layers of dry air and near-nil shower chances across the nearshore waters through Thursday. The Approximate Shoreward Edge of the Gulf Stream as of November 22... 23 NM South of Dry Tortugas Light...on Loggerhead Key. 12 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 3 NM South of Sand Key Light...off Key West. 8 NM South of Looe Key...off Big Pine Key. 9 NM South of Sombrero Key Light...off Marathon. 14 NM Southeast of Alligator Reef Light...off Islamorada. 15 NM Southeast of Molasses Reef Light...off Key Largo. 15 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. $$ GMZ031-250400- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 420 PM EST Sun Nov 24 2024 .TONIGHT...Northeast to east winds near 10 knots. Bay waters a light chop. .MONDAY...Northeast to east winds increasing to 10 to 15 knots. Bay waters becoming a light to moderate chop. .MONDAY NIGHT...Northeast winds 10 to 15 knots, decreasing to near 10 knots. Bay waters a light to moderate chop, becoming a light chop. .TUESDAY AND TUESDAY NIGHT...Northeast winds near 10 knots. Bay waters a light chop. .WEDNESDAY...Northeast to east winds near 10 knots. Bay waters a light chop. .WEDNESDAY NIGHT...Northeast to east winds near 10 knots. Bay waters a light chop. .THURSDAY...Northeast to east winds near 5 knots. Bay waters smooth. .THURSDAY NIGHT...Variable winds near 5 knots. Bay waters smooth. .FRIDAY...West to northwest winds 5 to 10 knots. Bay waters smooth to a light chop. .FRIDAY NIGHT...Northwest to north winds near 10 knots. Bay waters a light chop. Isolated showers. $$ GMZ032-035-250400- 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- 420 PM EST Sun Nov 24 2024 .TONIGHT...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. .MONDAY THROUGH TUESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. .TUESDAY NIGHT AND WEDNESDAY...Northeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. .WEDNESDAY NIGHT...Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. .THURSDAY...Northeast to east winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. .THURSDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. .FRIDAY...West to northwest winds 5 to 10 knots, increasing to near 10 knots. Seas building to around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. .FRIDAY NIGHT...Northwest to north winds 10 to 15 knots, becoming north near 15 knots. Seas building to 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. $$ GMZ042>044-250400- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 420 PM EST Sun Nov 24 2024 .TONIGHT...Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. .MONDAY...Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. Nearshore waters a light to moderate chop. .MONDAY NIGHT...Northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. .TUESDAY...North to northeast winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. Isolated showers. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. .WEDNESDAY NIGHT...Northeast to east winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. .THURSDAY...Northeast to east winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. .THURSDAY NIGHT...Variable winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. .FRIDAY...West to northwest winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. .FRIDAY NIGHT...Northwest to north winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet. West of Cosgrove Shoal Light, seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters a light to moderate chop, becoming to a moderate chop. Isolated showers. $$ GMZ052>055-072>075-250400- 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- 420 PM EST Sun Nov 24 2024 .TONIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3 feet at 4 seconds and northwest 1 foot at 5 seconds. .MONDAY...Northeast to east winds increasing to 15 to 20 knots. Seas building to 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 4 feet at 5 seconds. Isolated showers. .MONDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 4 feet at 5 seconds. Isolated showers. .TUESDAY...Northeast winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Isolated showers. .TUESDAY NIGHT...Northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Isolated showers. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY...Northeast to east winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet. .THURSDAY NIGHT...North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. .FRIDAY...Northwest winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Isolated showers. .FRIDAY NIGHT...Northwest to north winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet. Isolated showers. $$ GMZ033-034-250400- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 420 PM EST Sun Nov 24 2024 .TONIGHT...Northeast to east winds near 10 knots. Seas around 2 feet. Wave Detail: Northeast to east 2 feet at 3 seconds and northwest 1 foot at 5 seconds. .MONDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast to east 2 feet at 3 seconds and northwest 1 foot at 5 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots, increasing to near 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. Isolated showers. .TUESDAY...North to northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...Northeast to east winds near 10 knots. Seas 1 to 2 feet. .WEDNESDAY NIGHT...Northeast to east winds near 10 knots. Seas 1 to 2 foot. .THURSDAY...Northeast to east winds 5 to 10 knots. Seas subsiding to 1 foot or less. .THURSDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or less. .FRIDAY...West winds 5 to 10 knots, becoming west to northwest 10 to 15 knots. Seas building to 1 to 2 feet. Isolated showers. .FRIDAY NIGHT...Northwest to north winds 15 to 20 knots. Seas building to 3 to 5 feet, occasionally to 6 feet. Isolated showers. $$ AJP