GMZ005-160830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
426 PM EDT Fri May 15 2026
.SYNOPSIS...Light to gentle breezes will prevail tonight and
Saturday. High pressure developing over the Southeast will take
root across the western North Atlantic over the weekend. As a
result, moderate to fresh easterly breezes will peak and lull
across the Florida Keys Sunday through Tuesday.
The Approximate Shoreward Edge of the Gulf Stream as of May 12...
35 NM South of Dry Tortugas Light...on Loggerhead Key.
9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
6 NM South of Sand Key Light...off Key West.
7 NM South of Looe Key...off Big Pine Key.
6 NM Southeast of Sombrero Key Light...off Marathon.
6 NM Southeast of Alligator Reef Light...off Islamorada.
4 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.
$$
GMZ052>055-072>075-160830- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 426 PM EDT Fri May 15 2026 TONIGHT East winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. SATURDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A slight chance of showers and thunderstorms. SATURDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. MONDAY East winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 7 feet. A slight chance of showers and thunderstorms. TUESDAY East winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. WEDNESDAY East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. $$
GMZ052>055-072>075-160830- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 426 PM EDT Fri May 15 2026 TONIGHT East winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. SATURDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A slight chance of showers and thunderstorms. SATURDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. MONDAY East winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 7 feet. A slight chance of showers and thunderstorms. TUESDAY East winds near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. WEDNESDAY East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. $$