GMZ005-260000-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
754 AM EDT Mon May 25 2026
.SYNOPSIS...A North Atlantic high pressure system centered near
Bermuda will support fresh east to southeast breezes through
Tuesday night. Breezes will noticeably slacken and veer to the
southeast to south as the high slides eastward and weakens by the
middle of the week. Shower and thunderstorm chances will increase
for the middle and latter part of the work week.
The Approximate Shoreward Edge of the Gulf Stream as of May 22...
22 NM South of Dry Tortugas Light...on Loggerhead Key.
9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
8 NM South of Sand Key Light...off Key West.
8 NM South of Looe Key...off Big Pine Key.
6 NM Southeast of Sombrero Key Light...off Marathon.
4 NM Southeast of Alligator Reef Light...off Islamorada.
1 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 based on products from NASA SPoRT and RTOFS.
$$
GMZ033-034-260000-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
754 AM EDT Mon May 25 2026
SMALL CRAFT SHOULD EXERCISE CAUTION
TODAY
East to southeast winds 15 to 20 knots. Seas around
3 feet. Wave Detail: East to southeast 3 feet at 5 seconds. A
slight chance of showers and thunderstorms.
TONIGHT
East to southeast winds 15 to 20 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: East to southeast
4 feet at 5 seconds. A slight chance of showers and
thunderstorms.
TUESDAY
East to southeast winds 15 to 20 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: East to southeast
4 feet at 5 seconds. A slight chance of showers and
thunderstorms.
TUESDAY NIGHT
East to southeast winds near 15 knots. Seas 2 to
3 feet. A chance of showers with a slight chance of
thunderstorms.
WEDNESDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. A chance of showers.
WEDNESDAY NIGHT
East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. A chance of showers and thunderstorms.
THURSDAY
Southeast winds 5 to 10 knots. Seas around 1 foot. A
slight chance of showers and thunderstorms.
THURSDAY NIGHT
East to southeast winds near 5 knots. Seas
1 foot or less. A slight chance of showers and thunderstorms.
FRIDAY
East to southeast winds near 5 knots. Seas 1 foot or
less. A chance of showers and thunderstorms.
FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 1 to 2 feet,
building to 2 to 3 feet after midnight. A chance of showers and
thunderstorms.
$$
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