Hazardous marine condition(s):
Short Term Forecast
GMZ005-280230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1015 AM EDT Sat Jun 27 2026
.SYNOPSIS...A broad high pressure system centered over the North
Atlantic will continue to extend westward to the Florida Peninsula
through early next week. The high will fluctuate in strength and
location, while maintaining east to southeast breezes. This will
support bouts of light to gentle breezes that may freshen to
gentle to moderate at times, mainly in the overnight hours. In
addition, scattered showers and isolated storms will move across
all coastal waters of the Florida Keys at times, which could
produce blinding downpours, gusty winds, and occasional lightning
strikes.
The Approximate Shoreward Edge of the Gulf Stream as of June 21,
2026...
32 NM South of Dry Tortugas Light...on Loggerhead Key.
12 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
11 NM South of Sand Key Light...off Key West.
10 NM South of Looe Key...off Big Pine Key.
12 NM Southeast of Sombrero Key Light...off Marathon.
10 NM Southeast of Alligator Reef Light...off Islamorada.
6 NM Southeast of Molasses Reef Light...off Key Largo.
3 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.
$$
GMZ033-034-280230- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1015 AM EDT Sat Jun 27 2026 THIS AFTERNOON East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms. TONIGHT East winds near 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers and thunderstorms. SUNDAY East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. A chance of showers and thunderstorms. SUNDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. MONDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. TUESDAY East winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. TUESDAY NIGHT Northeast to east winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. WEDNESDAY AND WEDNESDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. $$
GMZ033-034-280230- 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- 1015 AM EDT Sat Jun 27 2026 THIS AFTERNOON East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms. TONIGHT East winds near 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers and thunderstorms. SUNDAY East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. A chance of showers and thunderstorms. SUNDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. MONDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. TUESDAY East winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. TUESDAY NIGHT Northeast to east winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. WEDNESDAY AND WEDNESDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. $$