GMZ005-052030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
419 AM EDT Sun Oct 5 2025
.SYNOPSIS...A combination of a stationary frontal boundary and a
weak area of low pressure situated near the Bahamas will make for
a messy weather pattern through the next several days. This will
maintain above normal rain chances through the entire forecast
period. In addition, it will keeps winds fluctuating between
northeast and southeast at times. At this time, the strongest
breezes look to stay north of our waters but will bear watching
for updates.
The Approximate Shoreward Edge of the Gulf Stream as of October
01...
42 NM South of Dry Tortugas Light...on Loggerhead Key.
33 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
33 NM South of Sand Key Light...off Key West.
35 NM South of Looe Key...off Big Pine Key.
16 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.
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.
$$
GMZ052>055-072>075-052030- 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- 419 AM EDT Sun Oct 5 2025 TODAY Northeast to east winds near 10 knots early, decreasing to 5 to 10 knots. Seas 2 to 4 feet, subsiding to 1 to 3 feet due to a northerly swell. Wave Detail: Northeast to east 2 feet at 5 seconds. Scattered showers and isolated thunderstorms. TONIGHT Northeast to east winds 5 to 10 knots, becoming east to southeast. Seas 1 to 3 feet due to a northerly swell, subsiding to 1 to 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Scattered showers and isolated thunderstorms. MONDAY East to southeast winds near 5 knots, becoming north to northeast 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 1 foot at 5 seconds. Scattered showers and isolated thunderstorms. MONDAY NIGHT North to northeast winds 5 to 10 knots, becoming east to southeast. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. TUESDAY East to southeast winds 5 to 10 knots, becoming northeast to east near 10 knots. Seas building to 1 to 3 feet. Scattered showers and isolated thunderstorms. TUESDAY NIGHT East winds 10 to 15 knots. Seas building to 2 to 4 feet. Scattered showers and isolated thunderstorms. WEDNESDAY Northeast to east winds near 10 knots. Seas subsiding to 2 to 3 feet. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. THURSDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. THURSDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. $$
GMZ052>055-072>075-052030- 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- 419 AM EDT Sun Oct 5 2025 TODAY Northeast to east winds near 10 knots early, decreasing to 5 to 10 knots. Seas 2 to 4 feet, subsiding to 1 to 3 feet due to a northerly swell. Wave Detail: Northeast to east 2 feet at 5 seconds. Scattered showers and isolated thunderstorms. TONIGHT Northeast to east winds 5 to 10 knots, becoming east to southeast. Seas 1 to 3 feet due to a northerly swell, subsiding to 1 to 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Scattered showers and isolated thunderstorms. MONDAY East to southeast winds near 5 knots, becoming north to northeast 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 1 foot at 5 seconds. Scattered showers and isolated thunderstorms. MONDAY NIGHT North to northeast winds 5 to 10 knots, becoming east to southeast. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. TUESDAY East to southeast winds 5 to 10 knots, becoming northeast to east near 10 knots. Seas building to 1 to 3 feet. Scattered showers and isolated thunderstorms. TUESDAY NIGHT East winds 10 to 15 knots. Seas building to 2 to 4 feet. Scattered showers and isolated thunderstorms. WEDNESDAY Northeast to east winds near 10 knots. Seas subsiding to 2 to 3 feet. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. THURSDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. THURSDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms. $$