GMZ005-260230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1029 AM EDT Sat Jul 25 2026
.SYNOPSIS...A col will develop across the region today, leading
to a brief period of light and variable winds through this evening.
Thereafter, breezes will freshen to gentle breezes and back to
the west to northwest as a surface trough develops Sunday. Breezes
will return from the southwest and west as the trough moves east
of the Florida Peninsula early next week. There is growing
confidence of a return to an active weather pattern starting
Sunday night.
The Approximate Shoreward Edge of the Gulf Stream as of July 17,
2026...
49 NM South of Dry Tortugas Light...on Loggerhead Key.
51 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
38 NM South of Sand Key Light...off Key West.
22 NM South of Looe Key...off Big Pine Key.
13 NM South of Sombrero Key Light...off Marathon.
6 NM Southeast of Alligator Reef Light...off Islamorada.
2 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, using data from RTOFS and NASA SPoRT SST.
$$
GMZ033-034-260230- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1029 AM EDT Sat Jul 25 2026 THIS AFTERNOON East to southeast winds 5 to 10 knots, becoming northwest near 5 knots. Seas around 1 foot. Wave Detail: East to southeast 1 foot at 3 seconds and west to northwest 1 foot at 6 seconds. A slight chance of showers and thunderstorms. TONIGHT Northwest winds 5 to 10 knots. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 3 seconds and west 1 foot at 6 seconds. A slight chance of showers and thunderstorms. SUNDAY Northwest winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Wave Detail: Northwest 1 foot at 3 seconds and west 1 foot at 6 seconds. A chance of showers and thunderstorms. SUNDAY NIGHT Northwest winds near 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. MONDAY West to northwest winds near 10 knots. Seas around 1 foot. Showers likely with a chance of thunderstorms. MONDAY NIGHT West to northwest winds near 10 knots, becoming southwest to west. Seas 1 to 2 feet. A chance of showers and thunderstorms. TUESDAY Southwest to west winds near 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. TUESDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY Southwest to west winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. WEDNESDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers. $$
GMZ033-034-260230- 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- 1029 AM EDT Sat Jul 25 2026 THIS AFTERNOON East to southeast winds 5 to 10 knots, becoming northwest near 5 knots. Seas around 1 foot. Wave Detail: East to southeast 1 foot at 3 seconds and west to northwest 1 foot at 6 seconds. A slight chance of showers and thunderstorms. TONIGHT Northwest winds 5 to 10 knots. Seas around 1 foot. Wave Detail: Northwest to north 1 foot at 3 seconds and west 1 foot at 6 seconds. A slight chance of showers and thunderstorms. SUNDAY Northwest winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Wave Detail: Northwest 1 foot at 3 seconds and west 1 foot at 6 seconds. A chance of showers and thunderstorms. SUNDAY NIGHT Northwest winds near 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. MONDAY West to northwest winds near 10 knots. Seas around 1 foot. Showers likely with a chance of thunderstorms. MONDAY NIGHT West to northwest winds near 10 knots, becoming southwest to west. Seas 1 to 2 feet. A chance of showers and thunderstorms. TUESDAY Southwest to west winds near 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. TUESDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY Southwest to west winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. WEDNESDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers. $$