GMZ005-102130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
429 AM EST Wed Dec 10 2025
.SYNOPSIS...As a frontal boundary slides eastward and away from
the Florida Keys marine zones during the early morning, breezes
will slacken. A second weak front will push through the coastal
waters late Wednesday and Wednesday night, with modestly freshened
northwesterly breezes clocking around to the northeast to east
for late week and into the weekend.
The Approximate Shoreward Edge of the Gulf Stream as of December 8...
15 NM South of Dry Tortugas Light...on Loggerhead Key.
13 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
18 NM South of Looe Key...off Big Pine Key.
23 NM Southeast of Sombrero Key Light...off Marathon.
18 NM Southeast of Alligator Reef Light...off Islamorada.
12 NM Southeast of Molasses Reef Light...off Key Largo.
8 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.
$$
GMZ032-035-102130- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 429 AM EST Wed Dec 10 2025 TODAY North winds near 10 knots, becoming northwest to north and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming smooth to a light chop. Isolated showers. TONIGHT Northwest to north winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. THURSDAY North winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. THURSDAY NIGHT North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. FRIDAY Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. FRIDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers. SATURDAY Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers. SATURDAY NIGHT Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers. SUNDAY Northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers. SUNDAY NIGHT North to northeast winds 10 to 15 knots, becoming northeast and increasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers. $$
GMZ032-035-102130- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 429 AM EST Wed Dec 10 2025 TODAY North winds near 10 knots, becoming northwest to north and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming smooth to a light chop. Isolated showers. TONIGHT Northwest to north winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. THURSDAY North winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. THURSDAY NIGHT North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. FRIDAY Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. FRIDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers. SATURDAY Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers. SATURDAY NIGHT Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers. SUNDAY Northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers. SUNDAY NIGHT North to northeast winds 10 to 15 knots, becoming northeast and increasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers. $$