GMZ005-250230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
430 PM EDT Wed Jun 24 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 becoming gentle to
moderate at times, mainly in the overnight hours.
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.
$$
GMZ052>055-072>075-250230-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
430 PM EDT Wed Jun 24 2026
TONIGHT
East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas 1 to 2 feet, building to around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of showers and
thunderstorms.
THURSDAY
East to southeast winds near 10 knots. Seas around
2 feet. Wave Detail: East to southeast 2 feet at 4 seconds.
THURSDAY NIGHT
East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A slight
chance of showers and thunderstorms.
FRIDAY
East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. A slight chance of showers and thunderstorms.
FRIDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
SATURDAY
East winds near 10 knots. Seas 2 to 3 feet.
SATURDAY NIGHT AND SUNDAY
East winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. A slight chance of showers and
thunderstorms.
SUNDAY NIGHT
East winds 10 to 15 knots, decreasing to near 10
knots. Seas 2 to 3 feet. A slight chance of showers.
MONDAY
East winds near 10 knots. Seas around 2 feet. A slight
chance of showers.
MONDAY NIGHT
East winds near 10 knots, decreasing to 5 to 10
knots. Seas around 2 feet, subsiding to 1 to 2 feet. A slight
chance of showers and thunderstorms.
$$
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