GMZ005-070930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
427 PM EST Sat Dec 6 2025
.SYNOPSIS...The Florida Keys will lie in a col region through
Sunday. This will promote mainly light to gentle southeast
breezes, occasionally becoming variable. Thereafter, a developing
weather system will move out of the Central Plains and into the
Southeast U.S. by Sunday evening. The attendent cold front will
sweep through Monday night with a brief period of moderate to
fresh breezes. Shower coverage will steadily increase starting
today and continuing into early next week.
The Approximate Shoreward Edge of the Gulf Stream as of December 4...
21 NM South of Dry Tortugas Light...on Loggerhead Key.
21 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
22 NM South of Sand Key Light...off Key West.
15 NM South of Looe Key...off Big Pine Key.
8 NM Southeast of Sombrero Key Light...off Marathon.
6 NM Southeast of Alligator Reef Light...off Islamorada.
3 NM Southeast of Molasses Reef Light...off Key Largo.
1 NM Southeast 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.
$$
GMZ052>055-072>075-070930- 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- 427 PM EST Sat Dec 6 2025 TONIGHT East to southeast winds 5 to 10 knots. Seas around 1 foot. Wave Detail: East to southeast 1 foot at 4 seconds. Isolated showers. SUNDAY Southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 4 seconds. Isolated showers. SUNDAY NIGHT Southeast to south winds 5 to 10 knots, becoming southwest to west near 10 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 3 seconds. Scattered showers. MONDAY Southwest to west winds 10 to 15 knots, becoming west to northwest near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Scattered showers. MONDAY NIGHT Northwest to north winds near 15 knots, becoming north to northeast. Seas 2 to 3 feet. Scattered showers. TUESDAY Northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. TUESDAY NIGHT Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. WEDNESDAY Northeast winds 10 to 15 knots. Seas subsiding to 2 to 3 feet. Scattered showers. WEDNESDAY NIGHT Northwest to north winds near 10 knots. Seas subsiding to around 2 feet. Scattered showers. THURSDAY North to northeast winds near 10 knots. Seas 1 to 2 feet. Isolated showers. THURSDAY NIGHT Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Isolated showers. $$
GMZ052>055-072>075-070930- 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- 427 PM EST Sat Dec 6 2025 TONIGHT East to southeast winds 5 to 10 knots. Seas around 1 foot. Wave Detail: East to southeast 1 foot at 4 seconds. Isolated showers. SUNDAY Southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 4 seconds. Isolated showers. SUNDAY NIGHT Southeast to south winds 5 to 10 knots, becoming southwest to west near 10 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 3 seconds. Scattered showers. MONDAY Southwest to west winds 10 to 15 knots, becoming west to northwest near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Scattered showers. MONDAY NIGHT Northwest to north winds near 15 knots, becoming north to northeast. Seas 2 to 3 feet. Scattered showers. TUESDAY Northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. TUESDAY NIGHT Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. WEDNESDAY Northeast winds 10 to 15 knots. Seas subsiding to 2 to 3 feet. Scattered showers. WEDNESDAY NIGHT Northwest to north winds near 10 knots. Seas subsiding to around 2 feet. Scattered showers. THURSDAY North to northeast winds near 10 knots. Seas 1 to 2 feet. Isolated showers. THURSDAY NIGHT Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Isolated showers. $$