GMZ005-050330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1025 AM EST Wed Feb 4 2026
.SYNOPSIS...High pressure over the Florida Peninsula will maintain
gentle to moderate, generally northeast breezes this afternoon.
This high will slowly weaken through tonight, supporting light and
at times variable winds. A cold front will push through the Keys
marine zones on Thursday and Thursday evening. This will bring
another push of freshened breezes and building seas for Friday
into the weekend.
The Approximate Shoreward Edge of the Gulf Stream as of February
4...
17 NM South of Dry Tortugas Light...on Loggerhead Key.
15 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
17 NM South of Looe Key...off Big Pine Key.
14 NM Southeast of Sombrero Key Light...off Marathon.
9 NM Southeast of Alligator Reef Light...off Islamorada.
4 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.
$$
GMZ033-034-050330- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1025 AM EST Wed Feb 4 2026 THIS AFTERNOON Northeast winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Wave Detail: North 1 foot at 4 seconds. TONIGHT North to northeast winds near 5 knots, becoming south to southwest 5 to 10 knots after midnight. Seas around 1 foot. Wave Detail: Northeast 1 foot at 3 seconds. Isolated showers. THURSDAY Southwest to west winds 10 to 15 knots, becoming northwest to north 25 to 30 knots in the afternoon. Seas 1 to 3 feet, building to 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southwest to west 3 feet at 3 seconds, becoming northwest 7 feet at 7 seconds. Numerous showers. THURSDAY NIGHT Northwest to north winds near 25 knots, decreasing to near 20 knots. Seas 7 to 10 feet, occasionally to 13 feet. FRIDAY Northwest to north winds 15 to 20 knots, decreasing to near 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet. FRIDAY NIGHT Northwest winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. SATURDAY Northwest to north winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SATURDAY NIGHT North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SUNDAY Northeast winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. SUNDAY NIGHT North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. $$
GMZ033-034-050330- 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- 1025 AM EST Wed Feb 4 2026 THIS AFTERNOON Northeast winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Wave Detail: North 1 foot at 4 seconds. TONIGHT North to northeast winds near 5 knots, becoming south to southwest 5 to 10 knots after midnight. Seas around 1 foot. Wave Detail: Northeast 1 foot at 3 seconds. Isolated showers. THURSDAY Southwest to west winds 10 to 15 knots, becoming northwest to north 25 to 30 knots in the afternoon. Seas 1 to 3 feet, building to 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southwest to west 3 feet at 3 seconds, becoming northwest 7 feet at 7 seconds. Numerous showers. THURSDAY NIGHT Northwest to north winds near 25 knots, decreasing to near 20 knots. Seas 7 to 10 feet, occasionally to 13 feet. FRIDAY Northwest to north winds 15 to 20 knots, decreasing to near 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet. FRIDAY NIGHT Northwest winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. SATURDAY Northwest to north winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SATURDAY NIGHT North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SUNDAY Northeast winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. SUNDAY NIGHT North to northeast winds 5 to 10 knots. Seas 1 to 2 feet. $$