Hazardous marine condition(s):
Short Term Forecast
GMZ005-040830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
417 PM EDT Fri Jul 3 2026
.SYNOPSIS...Generally light east to southeast breezes will become
variable at times across the Keys waters. Breezes will lull
during the afternoons and peak overnight. Any active weather over
the marine zones will largely be limited to possible afternoon
nearshore cloudlines interacting with any boundaries pushing off
the South Florida Mainland through the evening hours. High
pressure will gradually build back across the Florida Keys coastal
waters over the weekend. This will support generally light to
gentle east to southeast breezes resuming across the Keys marine
zones.
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.
$$
GMZ033-034-040830- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 417 PM EDT Fri Jul 3 2026 TONIGHT Variable winds near 5 knots, becoming southeast. Seas 1 foot or less. A chance of showers and thunderstorms. SATURDAY Southeast winds near 5 knots, becoming east. Seas 1 foot or less. A chance of showers and thunderstorms. SATURDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. SUNDAY Southeast winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. SUNDAY NIGHT Southeast winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY Southeast to south winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. WEDNESDAY East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. $$
GMZ033-034-040830- 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- 417 PM EDT Fri Jul 3 2026 TONIGHT Variable winds near 5 knots, becoming southeast. Seas 1 foot or less. A chance of showers and thunderstorms. SATURDAY Southeast winds near 5 knots, becoming east. Seas 1 foot or less. A chance of showers and thunderstorms. SATURDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. SUNDAY Southeast winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. SUNDAY NIGHT Southeast winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY Southeast to south winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. WEDNESDAY East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. $$