Hazardous marine condition(s):
Short Term Forecast
GMZ005-021430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1027 PM EDT Wed Jul 1 2026
.SYNOPSIS...Generally light east to southeast breezes will become
variable at times through Friday. 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 late in the week. 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.
$$
GMZ033-034-021430- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1027 PM EDT Wed Jul 1 2026 OVERNIGHT Variable winds near 5 knots, becoming east to southeast 5 to 10 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. THURSDAY Southeast to south winds near 5 knots, becoming variable. Seas 1 foot or less. A slight chance of showers and thunderstorms. THURSDAY NIGHT Variable winds near 5 knots, becoming southeast 5 to 10 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 2 seconds. A chance of showers with a slight chance of thunderstorms. FRIDAY Southeast to south winds near 5 knots, becoming variable. Seas 1 foot or less. A slight chance of showers and thunderstorms. FRIDAY NIGHT Northeast to east winds near 5 knots, becoming east to southeast 5 to 10 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. SATURDAY East to southeast winds 5 to 10 knots, decreasing to near 5 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. SATURDAY NIGHT East to southeast winds increasing to 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. SUNDAY Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A chance of thunderstorms with a slight chance of showers. SUNDAY NIGHT Southeast winds near 10 knots. Seas building to around 2 feet. A chance of showers and thunderstorms. MONDAY Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. $$
GMZ033-034-021430- 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- 1027 PM EDT Wed Jul 1 2026 OVERNIGHT Variable winds near 5 knots, becoming east to southeast 5 to 10 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. THURSDAY Southeast to south winds near 5 knots, becoming variable. Seas 1 foot or less. A slight chance of showers and thunderstorms. THURSDAY NIGHT Variable winds near 5 knots, becoming southeast 5 to 10 knots. Seas around 1 foot. Wave Detail: Southeast 1 foot at 2 seconds. A chance of showers with a slight chance of thunderstorms. FRIDAY Southeast to south winds near 5 knots, becoming variable. Seas 1 foot or less. A slight chance of showers and thunderstorms. FRIDAY NIGHT Northeast to east winds near 5 knots, becoming east to southeast 5 to 10 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. SATURDAY East to southeast winds 5 to 10 knots, decreasing to near 5 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms. SATURDAY NIGHT East to southeast winds increasing to 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. SUNDAY Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A chance of thunderstorms with a slight chance of showers. SUNDAY NIGHT Southeast winds near 10 knots. Seas building to around 2 feet. A chance of showers and thunderstorms. MONDAY Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. $$