GMZ005-162030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
424 AM EDT Wed Jul 16 2025
.SYNOPSIS...An area of low pressure will continue to slide
westward along the northern Gulf coast. Meanwhile, a strong area
of high pressure will build westward across the North Atlantic
towards the Florida Peninsula, supporting freshening east to
southeast breezes over the next several days. As a second, weak
area of high pressure builds over the eastern Gulf for the second
half of the weekend, easterly breezes will slacken, becoming
light to gentle.
The Approximate Shoreward Edge of the Gulf Stream as of July 15...
18 NM South of Dry Tortugas Light...on Loggerhead Key.
3 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
1 NM South of Sand Key Light...off Key West.
4 NM South of Looe Key...off Big Pine Key.
4 NM Southeast of Sombrero Key Light...off Marathon.
10 NM Southeast of Alligator Reef Light...off Islamorada.
6 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.
$$
GMZ052>055-072>075-162030- 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- 424 AM EDT Wed Jul 16 2025 TODAY Southeast winds 10 to 15 knots. Seas around 2 feet, building to 2 to 3 feet. Wave Detail: East to southeast 3 feet at 5 seconds. Scattered showers and thunderstorms. TONIGHT East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers and thunderstorms. THURSDAY East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East to southeast 3 feet at 5 seconds. Scattered showers and isolated thunderstorms. THURSDAY NIGHT East to southeast winds near 15 knots, increasing to 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 5 feet, occasionally to 6 feet. Scattered showers and isolated thunderstorms. FRIDAY East to southeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 4 to 5 feet, occasionally to 6 feet, subsiding to 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. SATURDAY East winds near 15 knots, decreasing to 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Isolated showers and thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms. SUNDAY East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms. SUNDAY NIGHT East to southeast winds near 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. Scattered showers and isolated thunderstorms. $$
GMZ052>055-072>075-162030- 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- 424 AM EDT Wed Jul 16 2025 TODAY Southeast winds 10 to 15 knots. Seas around 2 feet, building to 2 to 3 feet. Wave Detail: East to southeast 3 feet at 5 seconds. Scattered showers and thunderstorms. TONIGHT East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers and thunderstorms. THURSDAY East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East to southeast 3 feet at 5 seconds. Scattered showers and isolated thunderstorms. THURSDAY NIGHT East to southeast winds near 15 knots, increasing to 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 5 feet, occasionally to 6 feet. Scattered showers and isolated thunderstorms. FRIDAY East to southeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 4 to 5 feet, occasionally to 6 feet, subsiding to 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms. SATURDAY East winds near 15 knots, decreasing to 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Isolated showers and thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms. SUNDAY East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms. SUNDAY NIGHT East to southeast winds near 10 knots. Seas 2 to 3 feet, subsiding to around 2 feet. Scattered showers and isolated thunderstorms. $$