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.
$$
GMZ033-034-191530- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1018 PM EST Wed Feb 18 2026 OVERNIGHT East to southeast winds near 10 knots, becoming southeast. Seas 1 to 2 feet. Wave Detail: East to southeast 2 feet at 3 seconds and west to northwest 1 foot at 6 seconds. THURSDAY Southeast winds near 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. THURSDAY NIGHT Southeast winds near 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. FRIDAY Southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. FRIDAY NIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. SATURDAY Southeast winds 5 to 10 knots, becoming variable and decreasing to near 5 knots in the afternoon. Seas 1 to 2 feet, subsiding to around 1 foot. SATURDAY NIGHT Variable winds near 5 knots. Seas around 1 foot. SUNDAY Variable winds near 5 knots, becoming west to northwest and increasing to near 15 knots. Seas 1 foot or less, building to 1 to 3 feet. Isolated showers. SUNDAY NIGHT Northwest to north winds 15 to 20 knots, increasing to near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 6 to 9 feet, occasionally to 11 feet. Isolated showers. MONDAY North winds near 25 knots, decreasing to 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. MONDAY NIGHT North winds near 20 knots. Seas subsiding to 5 to 7 feet, occasionally to 9 feet. $$
GMZ033-034-191530- 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- 1018 PM EST Wed Feb 18 2026 OVERNIGHT East to southeast winds near 10 knots, becoming southeast. Seas 1 to 2 feet. Wave Detail: East to southeast 2 feet at 3 seconds and west to northwest 1 foot at 6 seconds. THURSDAY Southeast winds near 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. THURSDAY NIGHT Southeast winds near 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. FRIDAY Southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. FRIDAY NIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. SATURDAY Southeast winds 5 to 10 knots, becoming variable and decreasing to near 5 knots in the afternoon. Seas 1 to 2 feet, subsiding to around 1 foot. SATURDAY NIGHT Variable winds near 5 knots. Seas around 1 foot. SUNDAY Variable winds near 5 knots, becoming west to northwest and increasing to near 15 knots. Seas 1 foot or less, building to 1 to 3 feet. Isolated showers. SUNDAY NIGHT Northwest to north winds 15 to 20 knots, increasing to near 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 6 to 9 feet, occasionally to 11 feet. Isolated showers. MONDAY North winds near 25 knots, decreasing to 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. MONDAY NIGHT North winds near 20 knots. Seas subsiding to 5 to 7 feet, occasionally to 9 feet. $$