GMZ005-020845-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
434 PM EDT Wed Apr 1 2026
.SYNOPSIS...Strong high pressure across the central North Atlantic
will meander east for several days. As a result, expect easterly
fresh breezes, occasionally strong, especially in the Straits to
prevail through the week. Breezes will also occasionally peak
overnight into the morning hours and lull in the afternoon and
evening hours, especially north of the Island Chain and across the
SE Gulf.
The Approximate Shoreward Edge of the Gulf Stream as of March 28...
26 NM South of Dry Tortugas Light...on Loggerhead Key.
38 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
36 NM South of Sand Key Light...off Key West.
24 NM South of Looe Key...off Big Pine Key.
20 NM Southeast of Sombrero Key Light...off Marathon.
15 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.
$$
GMZ033-034-020845- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 434 PM EDT Wed Apr 1 2026 SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. THURSDAY East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. THURSDAY NIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. FRIDAY AND FRIDAY NIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. SATURDAY East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. SATURDAY NIGHT Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. SUNDAY Northeast to east winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 1 to 2 feet. A slight chance of showers. SUNDAY NIGHT North to northeast winds 5 to 10 knots. Seas around 1 foot. MONDAY North to northeast winds 5 to 10 knots, becoming northwest to north in the afternoon. Seas 1 to 2 feet. A slight chance of showers. MONDAY NIGHT North winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers. $$
GMZ033-034-020845- 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- 434 PM EDT Wed Apr 1 2026 SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. THURSDAY East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. THURSDAY NIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. FRIDAY AND FRIDAY NIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. SATURDAY East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. SATURDAY NIGHT Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. SUNDAY Northeast to east winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 1 to 2 feet. A slight chance of showers. SUNDAY NIGHT North to northeast winds 5 to 10 knots. Seas around 1 foot. MONDAY North to northeast winds 5 to 10 knots, becoming northwest to north in the afternoon. Seas 1 to 2 feet. A slight chance of showers. MONDAY NIGHT North winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers. $$