GMZ005-142130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
427 AM EST Wed Jan 14 2026
.SYNOPSIS...A trough currently resides across the central
portion of the Keys leading to variable breezes this morning.
This trough will swing across our area today with breezes slowly
freshening and becoming west to northwest by tonight. This will be
followed by a pre- frontal trough and a beefy cold front on
Thursday. Winds are expected to shift northwest, becoming strong
and potentially near gale breezes. High pressure moves in quickly
behind the front leading to rapidly slackening breezes on Friday.
The Approximate Shoreward Edge of the Gulf Stream as of January
12...
19 NM South of Dry Tortugas Light...on Loggerhead Key.
13 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
15 NM South of Sand Key Light...off Key West.
17 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
15 NM Southeast of Alligator Reef Light...off Islamorada.
10 NM Southeast of Molasses Reef Light...off Key Largo.
5 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.
$$
GMZ033-034-142130- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 427 AM EST Wed Jan 14 2026 SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT SMALL CRAFT ADVISORY CONDITIONS EXPECTED THURSDAY TODAY North winds near 5 knots, becoming northwest near 10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: Northwest 1 foot at 4 seconds. Scattered showers and isolated thunderstorms. TONIGHT West to northwest winds 10 to 15 knots, becoming west near 20 knots after midnight. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet. Wave Detail: West to northwest 3 feet at 5 seconds. Scattered showers and isolated thunderstorms. THURSDAY West winds 20 to 25 knots, becoming northwest to north 25 to 30 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet, building to 7 to 10 feet, occasionally to 13 feet. Wave Detail: West 6 feet at 6 seconds, becoming west to northwest 9 feet at 7 seconds. Numerous showers and isolated thunderstorms. THURSDAY NIGHT Northwest to north winds near 25 knots, becoming north to northeast near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. FRIDAY North to northeast winds 15 to 20 knots, becoming northeast near 10 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. FRIDAY NIGHT North to northeast winds near 10 knots, increasing to 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SATURDAY North to northeast winds 10 to 15 knots. Seas 2 to 3 feet. SATURDAY NIGHT North winds 10 to 15 knots. Seas around 2 feet. SUNDAY Northwest to north winds near 15 knots, increasing to near 20 knots. Seas around 2 feet, building to 3 to 4 feet, occasionally to 5 feet. SUNDAY NIGHT North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. $$
GMZ033-034-142130- 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- 427 AM EST Wed Jan 14 2026 SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT SMALL CRAFT ADVISORY CONDITIONS EXPECTED THURSDAY TODAY North winds near 5 knots, becoming northwest near 10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: Northwest 1 foot at 4 seconds. Scattered showers and isolated thunderstorms. TONIGHT West to northwest winds 10 to 15 knots, becoming west near 20 knots after midnight. Seas 1 to 2 feet, building to 2 to 4 feet, occasionally to 5 feet. Wave Detail: West to northwest 3 feet at 5 seconds. Scattered showers and isolated thunderstorms. THURSDAY West winds 20 to 25 knots, becoming northwest to north 25 to 30 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet, building to 7 to 10 feet, occasionally to 13 feet. Wave Detail: West 6 feet at 6 seconds, becoming west to northwest 9 feet at 7 seconds. Numerous showers and isolated thunderstorms. THURSDAY NIGHT Northwest to north winds near 25 knots, becoming north to northeast near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. FRIDAY North to northeast winds 15 to 20 knots, becoming northeast near 10 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. FRIDAY NIGHT North to northeast winds near 10 knots, increasing to 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SATURDAY North to northeast winds 10 to 15 knots. Seas 2 to 3 feet. SATURDAY NIGHT North winds 10 to 15 knots. Seas around 2 feet. SUNDAY Northwest to north winds near 15 knots, increasing to near 20 knots. Seas around 2 feet, building to 3 to 4 feet, occasionally to 5 feet. SUNDAY NIGHT North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. $$