GMZ005-270230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1020 AM EDT Wed Aug 26 2026
.SYNOPSIS...The western periphery of an Atlantic high is expected
to maintain control of the Keys for the next several days. This
will promote peaking and lulling east to southeast breezes.
Breezes will peak in the evening through early morning and lull in
the afternoons. The strongest surge of breezes is anticipated to
be tonight where mostly moderate breezes are expected throughout
the Florida Keys coastal waters. In addition, the southeasterly
flow will also keep deep moisture in place across the region with
daily chances of showers and thunderstorms. Locally hazardous
winds and seas are expected in the vicinity of thunderstorm
activity.
The Approximate Shoreward Edge of the Gulf Stream as of August 26,
2026...
32 NM south of Dry Tortugas Light, on Loggerhead Key
9 NM south-southeast of Cosgrove Shoal Light, off the Marquesas Keys
7 NM south-southeast of Sand Key Light, off Key West
6 NM south-southeast of Looe Key, off Big Pine Key
7 NM south-southeast of Sombrero Key Light, off Marathon
4 NM southeast of Alligator Reef Light, off Islamorada
1 NM west-northwest of Molasses Reef Light, off Key Largo
1 NM east-southeast of Carysfort Reef Light, off Ocean Reef
Gulf Stream Information Courtesy of the Naval Oceanographic
Office.
$$
GMZ052>055-072>075-270230-
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-
1020 AM EDT Wed Aug 26 2026
THIS AFTERNOON
East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Wave Detail: East to southeast 3 feet at 5 seconds.
A slight chance of showers and thunderstorms.
TONIGHT
East to southeast winds 10 to 15 knots, increasing
briefly to near 15 knots. Seas 2 to 3 feet. Wave Detail: East 3
feet at 5 seconds. A chance of showers and thunderstorms.
THURSDAY
Southeast winds 10 to 15 knots, becoming east to
southeast and decreasing to 5 to 10 knots. Seas around 2 feet.
Wave Detail: East to southeast 2 feet at 5 seconds. A chance of
showers and thunderstorms.
THURSDAY NIGHT
East winds near 10 knots, becoming east to
southeast. Seas around 2 feet. A chance of showers and
thunderstorms.
FRIDAY
East to southeast winds near 10 knots, becoming east and
decreasing to 5 to 10 knots. Seas 1 to 2 feet. A chance of
showers and thunderstorms.
FRIDAY NIGHT
East winds near 10 knots, increasing to 10 to 15
knots. Seas 1 to 2 feet, building to around 2 feet. A chance of
showers and thunderstorms.
SATURDAY
East winds near 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
SATURDAY NIGHT
East winds 10 to 15 knots. Seas around 2 feet.
A chance of showers and thunderstorms.
SUNDAY
East to southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers and thunderstorms.
SUNDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
$$
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