GMZ005-191530-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1018 PM EST Wed Feb 18 2026
.SYNOPSIS...High pressure centered offshore of Georgia and South
Carolina will continue to drift eastward across the Atlantic.
This will promote gentle to moderate east to southeast breezes
tonight. Thereafter, breezes will generally peak and lull through
the early part of the weekend while this high slowly settles east
of the Bahamas. Dry conditions will prevail through the week. A
potentially strong cold front may sweep through the Keys starting
Sunday evening with freshening northwest to north breezes.
The Approximate Shoreward Edge of the Gulf Stream as of February
17...
7 NM South of Dry Tortugas Light...on Loggerhead Key.
3 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
2 NM South of Sand Key Light...off Key West.
7 NM South of Looe Key...off Big Pine Key.
11 NM Southeast of Sombrero Key Light...off Marathon.
14 NM Southeast of Alligator Reef Light...off Islamorada.
7 NM Southeast of Molasses Reef Light...off Key Largo.
3 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 and RTOFS.
$$
GMZ052>055-072>075-191530- 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- 1018 PM EST Wed Feb 18 2026 OVERNIGHT East to southeast winds 10 to 15 knots, becoming southeast. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. THURSDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 5 seconds. THURSDAY NIGHT East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. FRIDAY Southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet. FRIDAY NIGHT East winds near 10 knots, becoming southeast and increasing to 10 to 15 knots. Seas around 2 feet. SATURDAY Southeast winds near 10 knots, becoming variable and decreasing to near 5 knots in the afternoon. Seas around 2 feet, subsiding to 1 to 2 feet. SATURDAY NIGHT Variable winds near 5 knots. Seas 1 to 2 feet. SUNDAY Variable winds near 5 knots, becoming southwest to west and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 1 to 3 feet. Isolated showers. SUNDAY NIGHT Northwest winds near 15 knots, becoming northwest to north and increasing to near 25 knots. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet. Isolated showers. MONDAY North winds near 25 knots, decreasing to near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. MONDAY NIGHT North winds near 20 knots. Seas subsiding to 5 to 7 feet, occasionally to 9 feet. $$
GMZ052>055-072>075-191530- 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- 1018 PM EST Wed Feb 18 2026 OVERNIGHT East to southeast winds 10 to 15 knots, becoming southeast. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. THURSDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 5 seconds. THURSDAY NIGHT East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. FRIDAY Southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet. FRIDAY NIGHT East winds near 10 knots, becoming southeast and increasing to 10 to 15 knots. Seas around 2 feet. SATURDAY Southeast winds near 10 knots, becoming variable and decreasing to near 5 knots in the afternoon. Seas around 2 feet, subsiding to 1 to 2 feet. SATURDAY NIGHT Variable winds near 5 knots. Seas 1 to 2 feet. SUNDAY Variable winds near 5 knots, becoming southwest to west and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 1 to 3 feet. Isolated showers. SUNDAY NIGHT Northwest winds near 15 knots, becoming northwest to north and increasing to near 25 knots. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet. Isolated showers. MONDAY North winds near 25 knots, decreasing to near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. MONDAY NIGHT North winds near 20 knots. Seas subsiding to 5 to 7 feet, occasionally to 9 feet. $$