GMZ005-061545-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1039 PM EST Mon Jan 5 2026
.SYNOPSIS...High pressure centered just off the Mid-Atlantic
coastline will slowly slide eastward into the central North
Atlantic throughout the work week. As a result, light to gentle
northeast to east breezes through Wednesday will gradually veer
to the east to southeast and freshen for the latter part of the
week.
The Approximate Shoreward Edge of the Gulf Stream as of January
01...
14 NM South of Dry Tortugas Light...on Loggerhead Key.
14 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
13 NM South of Looe Key...off Big Pine Key.
12 NM Southeast of Sombrero Key Light...off Marathon.
9 NM Southeast of Alligator Reef Light...off Islamorada.
3 NM Southeast of Molasses Reef Light...off Key Largo.
2 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.
$$
GMZ052>055-072>075-061545-
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-
1039 PM EST Mon Jan 5 2026
OVERNIGHT
Northeast to east winds near 10 knots. Seas around 2
feet. Wave Detail: Northeast to east 2 feet at 4 seconds and west
to northwest 1 foot at 6 seconds. Isolated showers.
TUESDAY
Northeast to east winds 5 to 10 knots. Seas around 2
feet. Wave Detail: Northeast to east 2 feet at 4 seconds and west
to northwest 1 foot at 5 seconds. Isolated showers.
TUESDAY NIGHT
Northeast to east winds 5 to 10 knots. Seas around 2
feet. Wave Detail: East 2 feet at 4 seconds. Isolated showers.
WEDNESDAY
Northeast to east winds 5 to 10 knots. Seas around 2
feet. Isolated showers.
WEDNESDAY NIGHT
Northeast to east winds near 10 knots, becoming
east and increasing to 10 to 15 knots. Seas around 2 feet,
building to 2 to 3 feet. Isolated showers.
THURSDAY
Northeast to east winds 10 to 15 knots, becoming east
to southeast and increasing to near 15 knots. Seas 2 to 3 feet,
building to 3 to 4 feet, occasionally to 5 feet. Isolated showers.
THURSDAY NIGHT
East to southeast winds near 15 knots,
increasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6
feet.
FRIDAY
East to southeast winds 15 to 20 knots, decreasing to
near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.
FRIDAY NIGHT
East to southeast winds near 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Isolated showers.
SATURDAY
East winds near 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Isolated showers.
SATURDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Isolated showers.
$$
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