Hazardous marine condition(s):
Short Term Forecast
GMZ005-042030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
428 AM EDT Sat Jul 4 2026
.SYNOPSIS...
The western flank of an Atlantic high will meander across South
Florida through the weekend and into next week. This will support
generally light to gentle east to southeast breezes.
The Approximate Shoreward Edge of the Gulf Stream as of June 28,
2026...
33 NM South of Dry Tortugas Light...on Loggerhead Key.
8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
7 NM South of Sand Key Light...off Key West.
11 NM South of Looe Key...off Big Pine Key.
12 NM Southeast of Sombrero Key Light...off Marathon.
7 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.
$$
GMZ033-034-042030- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 428 AM EDT Sat Jul 4 2026 TODAY Southeast to south winds 5 to 10 knots, becoming east late. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. TONIGHT East winds 5 to 10 knots, becoming southeast to south 10 to 15 knots after midnight. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY Southeast to south winds 5 to 10 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT Southeast winds 5 to 10 knots, becoming southeast to south 10 to 15 knots after midnight. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY South winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT Southeast winds near 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY East winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. $$
GMZ033-034-042030- 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- 428 AM EDT Sat Jul 4 2026 TODAY Southeast to south winds 5 to 10 knots, becoming east late. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. TONIGHT East winds 5 to 10 knots, becoming southeast to south 10 to 15 knots after midnight. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY Southeast to south winds 5 to 10 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT Southeast winds 5 to 10 knots, becoming southeast to south 10 to 15 knots after midnight. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY South winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT Southeast winds near 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY East winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. $$