Hazardous marine condition(s):
Short Term Forecast
GMZ005-070230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1029 AM EDT Mon Oct 6 2025
.SYNOPSIS...A combination of a stationary frontal boundary and a
weak area of low pressure still 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 be
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>075-070230- 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- 1029 AM EDT Mon Oct 6 2025 THIS AFTERNOON Northeast winds near 5 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 1 foot at 5 seconds. Scattered showers and isolated thunderstorms. TONIGHT Northeast to east winds near 5 knots, increasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 4 seconds. Scattered showers and isolated thunderstorms. TUESDAY Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 2 feet at 4 seconds. Scattered showers and isolated thunderstorms. TUESDAY NIGHT Northeast to east winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. WEDNESDAY East winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT East winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. THURSDAY East winds near 10 knots. Seas 1 to 2 feet. Numerous showers and isolated thunderstorms. THURSDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Numerous showers and isolated thunderstorms. FRIDAY South winds 5 to 10 knots, becoming variable. Seas around 1 foot. Numerous showers and isolated thunderstorms. FRIDAY NIGHT Variable winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. $$
GMZ052>055-072>075-070230- 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- 1029 AM EDT Mon Oct 6 2025 THIS AFTERNOON Northeast winds near 5 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 1 foot at 5 seconds. Scattered showers and isolated thunderstorms. TONIGHT Northeast to east winds near 5 knots, increasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 4 seconds. Scattered showers and isolated thunderstorms. TUESDAY Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 2 feet at 4 seconds. Scattered showers and isolated thunderstorms. TUESDAY NIGHT Northeast to east winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. WEDNESDAY East winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT East winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms. THURSDAY East winds near 10 knots. Seas 1 to 2 feet. Numerous showers and isolated thunderstorms. THURSDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Numerous showers and isolated thunderstorms. FRIDAY South winds 5 to 10 knots, becoming variable. Seas around 1 foot. Numerous showers and isolated thunderstorms. FRIDAY NIGHT Variable winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. $$