GMZ005-250830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
416 PM EDT Sun May 24 2026
.SYNOPSIS...A North Atlantic high pressure system centered near
Bermuda will support fresh east to southeast breezes through
Tuesday night. As the high slides eastward and weakens by mid-
week, breezes will noticeably slacken and veer to the southeast
to south. Shower and thunderstorm chances will increase for the
middle and latter part of the work week.
The Approximate Shoreward Edge of the Gulf Stream as of May 22...
22 NM South of Dry Tortugas Light...on Loggerhead Key.
9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
8 NM South of Sand Key Light...off Key West.
8 NM South of Looe Key...off Big Pine Key.
6 NM Southeast of Sombrero Key Light...off Marathon.
4 NM Southeast of Alligator Reef Light...off Islamorada.
1 NM Southeast of Molasses Reef Light...off Key Largo.
1 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.
$$
GMZ033-034-250830- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 416 PM EDT Sun May 24 2026 SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS TONIGHT East to southeast winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY East to southeast winds 15 to 20 knots. Seas around 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East to southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East to southeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. TUESDAY NIGHT East to southeast winds near 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. WEDNESDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers. WEDNESDAY NIGHT East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. THURSDAY Southeast winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. THURSDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. FRIDAY East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. FRIDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 to 2 feet, building to 2 to 3 feet after midnight. A chance of showers and thunderstorms. $$
GMZ033-034-250830- 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- 416 PM EDT Sun May 24 2026 SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS TONIGHT East to southeast winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY East to southeast winds 15 to 20 knots. Seas around 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East to southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East to southeast 4 feet at 5 seconds. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. TUESDAY NIGHT East to southeast winds near 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. WEDNESDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers. WEDNESDAY NIGHT East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. THURSDAY Southeast winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. THURSDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. FRIDAY East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. FRIDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 to 2 feet, building to 2 to 3 feet after midnight. A chance of showers and thunderstorms. $$