GMZ005-212145-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1031 AM EST Sat Dec 21 2024
.SYNOPSIS...A broad high pressure system will slide across the
eastern United States today through Sunday, resulting in breezes
gradually clocking around to the northeast. Early next week a
coastal trough will develop from the Carolinas south to the
Florida Peninsula. This will result in a brief period of
freshening northeast to east breezes. A second, strong high
pressure system will settle into the Eastern Seaboard towards
midweek resulting in another period of freshening breezes with the
potential for fresh to occasionally strong breezes.
The Approximate Shoreward Edge of the Gulf Stream as of December
21...
59 NM South of Dry Tortugas Light...on Loggerhead Key.
31 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
19 NM South of Sand Key Light...off Key West.
19 NM South of Looe Key...off Big Pine Key.
19 NM South of Sombrero Key Light...off Marathon.
2 NM Southeast of Alligator Reef Light...off Islamorada.
2 NM Southeast of Molasses Reef Light...off Key Largo.
1 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic
Office.
$$
GMZ052>055-072>075-212145-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
1031 AM EST Sat Dec 21 2024
THIS AFTERNOON
Northwest to north winds near 15 knots, except
decreasing to 10 to 15 knots in the lee of the Upper Keys. Seas 3
to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 6
seconds.
TONIGHT
North to northeast winds 10 to 15 knots. Seas 3 to 4
feet, occasionally to 5 feet. Wave Detail: North 3 feet at 6
seconds.
SUNDAY
North to northeast winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Northwest 3 feet at
7 seconds and northeast 2 feet at 4 seconds.
SUNDAY NIGHT
Northeast to east winds increasing to near 15
knots. Seas 3 to 4 feet, occasionally to 5 feet.
MONDAY
East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
MONDAY NIGHT
East winds 15 to 20 knots, decreasing to near 15
knots. Seas 4 to 5 feet, occasionally to 6 feet.
TUESDAY
East winds 10 to 15 knots, increasing to near 15 knots
late. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers.
TUESDAY NIGHT AND WEDNESDAY
East winds 15 to 20 knots. Seas 3
to 5 feet, occasionally to 6 feet. Isolated showers.
WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers and isolated
thunderstorms.
$$
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