Hazardous marine condition(s):
Short Term Forecast
GMZ005-282030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
426 AM EDT Tue Jul 28 2026
.SYNOPSIS...Troughing just off the Eastern Seaboard will continue
to reach southwestward across the far southeast for the next day
and be reinforced by another shortwave. This will result in a
broad confluence zone remaining draped across northern
Florida/Georgia for much of this week. Generally keep light to
gentle breezes out of the southwest to west. Breezes will become
gentle to moderate towards mid week before slackening back to
light to gentle by late week.
The Approximate Shoreward Edge of the Gulf Stream as of
July 26, 2026...
40 NM South of Dry Tortugas Light...on Loggerhead Key.
49 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
44 NM South of Sand Key Light...off Key West.
28 NM South of Looe Key...off Big Pine Key.
4 NM South of Sombrero Key Light...off Marathon.
3 NM Southeast of Alligator Reef Light...off Islamorada.
1 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.
$$
GMZ033-034-282030- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 426 AM EDT Tue Jul 28 2026 TODAY West winds 5 to 10 knots, becoming southwest to west and increasing to 10 to 15 knots this afternoon. Seas 1 to 2 feet. Wave Detail: West 2 feet at 4 seconds. A chance of showers and thunderstorms. TONIGHT Southwest to west winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. A slight chance of showers and thunderstorms. WEDNESDAY Southwest to west winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: West 2 feet at 4 seconds. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT West winds 10 to 15 knots, becoming southwest to west and decreasing to 5 to 10 knots after midnight. Seas 2 to 3 feet, subsiding to 1 to 2 feet. THURSDAY Southwest to west winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. THURSDAY NIGHT West winds 5 to 10 knots, becoming southwest and decreasing to near 5 knots after midnight. Seas 1 to 2 feet. FRIDAY Southwest winds near 5 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. FRIDAY NIGHT Northwest winds near 5 knots, becoming south to southwest after midnight. Seas 1 to 2 feet. SATURDAY South winds near 5 knots. Seas around 1 foot. A slight chance of showers. SATURDAY NIGHT North to northeast winds near 5 knots, becoming southeast after midnight. Seas around 1 foot. A slight chance of showers. $$
GMZ033-034-282030- 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- 426 AM EDT Tue Jul 28 2026 TODAY West winds 5 to 10 knots, becoming southwest to west and increasing to 10 to 15 knots this afternoon. Seas 1 to 2 feet. Wave Detail: West 2 feet at 4 seconds. A chance of showers and thunderstorms. TONIGHT Southwest to west winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. A slight chance of showers and thunderstorms. WEDNESDAY Southwest to west winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: West 2 feet at 4 seconds. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT West winds 10 to 15 knots, becoming southwest to west and decreasing to 5 to 10 knots after midnight. Seas 2 to 3 feet, subsiding to 1 to 2 feet. THURSDAY Southwest to west winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. THURSDAY NIGHT West winds 5 to 10 knots, becoming southwest and decreasing to near 5 knots after midnight. Seas 1 to 2 feet. FRIDAY Southwest winds near 5 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. FRIDAY NIGHT Northwest winds near 5 knots, becoming south to southwest after midnight. Seas 1 to 2 feet. SATURDAY South winds near 5 knots. Seas around 1 foot. A slight chance of showers. SATURDAY NIGHT North to northeast winds near 5 knots, becoming southeast after midnight. Seas around 1 foot. A slight chance of showers. $$