FZUS52 KKEY 041526 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 1026 AM EST Mon Dec 4 2023 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. GMZ005-042130- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1026 AM EST Mon Dec 4 2023 .SYNOPSIS...A weak frontal system will move through the Florida Keys this afternoon resulting in gentle to moderate northwest to north breezes veering to the north to northeast night and continuing into Tuesday. A second, much stronger cold front will push through the coastal waters late Tuesday or early Wednesday, with fresh northerly breezes expected in its wake. Strong high pressure will slide across the Southeastern United States into the western North Atlantic late week and result in moderate to fresh easterly breezes. The Approximate Shoreward Edge of the Gulf Stream as of December 02... 58 NM South of Dry Tortugas Light...on Loggerhead Key. 28 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 21 NM South of Sand Key Light...off Key West. 20 NM South of Looe Key...off Big Pine Key. 15 NM South of Sombrero Key Light...off Marathon. 9 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 Naval Oceanographic Office. $$ GMZ031-042130- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1026 AM EST Mon Dec 4 2023 .THIS AFTERNOON...Variable winds near 5 knots, becoming west to northwest and increasing to near 10 knots. Bay waters smooth, becoming a light chop. .TONIGHT...Northwest to north winds near 10 knots. Bay waters a light chop. Isolated showers. .TUESDAY...North to northeast winds 10 to 15 knots, becoming north and decreasing to 5 to 10 knots in the afternoon. Bay waters a light to moderate chop, becoming smooth to a light chop. Isolated showers. .TUESDAY NIGHT...Northwest to north winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters smooth to a light chop, becoming a light to moderate chop. Isolated showers. .WEDNESDAY...Northwest to north winds near 15 knots. Bay waters a moderate chop. Isolated showers. .WEDNESDAY NIGHT...North winds near 15 knots, becoming north to northeast and increasing to 15 to 20 knots. Bay waters a moderate chop, becoming choppy. .THURSDAY...Northeast winds 15 to 20 knots. Bay waters choppy. .THURSDAY NIGHT...East winds decreasing to near 15 knots. Bay waters becoming a moderate chop. .FRIDAY AND FRIDAY NIGHT...East winds near 15 knots. Bay waters a moderate chop. Isolated showers. $$ GMZ032-035-042130- 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 AM EST Mon Dec 4 2023 .THIS AFTERNOON...Variable winds near 5 knots, becoming west to northwest and increasing to 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth, becoming smooth to a light chop. Isolated showers. .TONIGHT...Northwest to north winds near 10 knots, becoming north to northeast 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. Isolated showers. .TUESDAY...North to northeast winds near 15 knots, becoming northwest to north and decreasing to 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. .TUESDAY NIGHT...Northwest to north 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. Isolated showers. .WEDNESDAY...Northwest to north winds 15 to 20 knots. Seas building to 2 to 4 feet. Nearshore waters choppy. Isolated showers. .WEDNESDAY NIGHT...North to northeast winds near 20 knots. Seas 2 to 4 feet, except building to 4 to 6 feet west of the Marquesas Keys. Nearshore waters choppy. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet, subsiding to 1 to 3 feet. West of the Marquesas Keys seas 4 to 6 feet, subsiding to to 3 to 4 feet. Nearshore waters choppy. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 1 to 3 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy. .FRIDAY AND FRIDAY NIGHT...East winds 15 to 20 knots. Seas 1 to 3 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy. Isolated showers. $$ GMZ042>044-042130- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1026 AM EST Mon Dec 4 2023 .THIS AFTERNOON...Variable winds near 5 knots, becoming west to northwest and increasing to 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth, becoming smooth to a light chop. Isolated showers. .TONIGHT...Northwest to north winds near 10 knots, becoming north to northeast and increasing to 10 to 15 knots. Seas around 1 foot, except building to 1 to 2 feet west of Cosgrove Shoal Light. Nearshore waters a light chop, becoming a light to moderate chop. Isolated showers. .TUESDAY...North to northeast winds 10 to 15 knots. Seas around 1 foot, except 2 to 3 feet west of Cosgrove Shoal Light. Nearshore waters a light to moderate chop. Isolated showers. .TUESDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of Cosgrove Shoal Light. Nearshore waters a light to moderate chop. Isolated showers. .WEDNESDAY...North to northwest winds increasing to 15 to 20 knots. Seas 1 to 2 feet, except building to 3 to 4 feet west of Cosgrove Shoal Light. Nearshore waters becoming choppy. Isolated showers. .WEDNESDAY NIGHT...North to northeast winds near 20 knots. Seas 2 to 3 feet, except 4 to 5 feet west of Cosgrove Shoal Light. Nearshore waters rough. .THURSDAY...Northeast to east winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet, except 4 to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy. .FRIDAY AND FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Nearshore waters choppy. Isolated showers. $$ GMZ052>055-072>075-042130- 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 EST Mon Dec 4 2023 .THIS AFTERNOON...Variable winds near 5 knots, becoming northwest to north and increasing to 5 to 10 knots. Seas around 1 foot. Isolated showers. .TONIGHT...North to northeast winds 5 to 10 knots, increasing to near 10 knots. Seas building to 1 to 2 feet. Isolated showers. .TUESDAY...North to northeast winds 10 to 15 knots. Seas 1 to 3 feet. Isolated showers. .TUESDAY NIGHT...North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas building to 2 to 3 feet. Isolated showers. .WEDNESDAY...North winds 15 to 20 knots. Seas 2 to 4 feet, building to 3 to 5 feet. Isolated showers. .WEDNESDAY NIGHT...North to northeast winds near 20 knots. Seas building to 4 to 7 feet. .THURSDAY...Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet. .THURSDAY NIGHT...East winds near 20 knots. Seas 5 to 7 feet. .FRIDAY AND FRIDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. $$ GMZ033-034-042130- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 1026 AM EST Mon Dec 4 2023 .THIS AFTERNOON...Variable winds near 5 knots, becoming northwest to north and increasing to 5 to 10 knots. Seas 1 foot or less, building to around 1 foot. Scattered showers. .TONIGHT...Northwest to north winds near 10 knots, becoming north to northeast and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Isolated showers. .TUESDAY...North to northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. .TUESDAY NIGHT...North winds increasing to near 15 knots. Seas 2 to 3 feet. Isolated showers. .WEDNESDAY...North winds 15 to 20 knots. Seas 2 to 3 feet, building to 3 to 5 feet. Isolated showers. .WEDNESDAY NIGHT...North to northeast winds near 20 knots. Seas 4 to 6 feet. .THURSDAY...Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. .FRIDAY AND FRIDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet. Isolated showers. $$ MJV