Hazardous marine condition(s):
Small Craft Advisory
GMZ005-122145-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
431 AM EST Wed Nov 12 2025
.SYNOPSIS...Fresh to strong breezes will shift further northeast
and gradually slacken through the week as an area of high
pressure builds in across the Southeastern United States.
Moderate to occasionally fresh breezes will remain possible
through the end of the work week. Then breezes should slacken to
gentle to moderate as the high pressure flattens and weakens.
The Approximate Shoreward Edge of the Gulf Stream as of November
4...
42 NM South of Dry Tortugas Light...on Loggerhead Key.
42 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
30 NM South of Sand Key Light...off Key West.
29 NM South of Looe Key...off Big Pine Key.
27 NM Southeast of Sombrero Key Light...off Marathon.
14 NM Southeast of Alligator Reef Light...off Islamorada.
4 NM Southeast of Molasses Reef Light...off Key Largo.
3 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.
$$
GMZ042>044-122145- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 431 AM EST Wed Nov 12 2025 SMALL CRAFT ADVISORY IN EFFECT TODAY North to northeast winds near 20 knots, becoming northeast and decreasing to 15 to 20 knots. Seas 2 to 3 feet, except 3 to 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore waters rough, becoming choppy. TONIGHT Northeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. THURSDAY Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters choppy. THURSDAY NIGHT Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters choppy. FRIDAY Northeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. FRIDAY NIGHT Northeast to east winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. SATURDAY Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. SATURDAY NIGHT Northeast to east winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. SUNDAY Northeast to east winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers. SUNDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers. $$
GMZ042>044-122145- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 431 AM EST Wed Nov 12 2025 SMALL CRAFT ADVISORY IN EFFECT TODAY North to northeast winds near 20 knots, becoming northeast and decreasing to 15 to 20 knots. Seas 2 to 3 feet, except 3 to 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore waters rough, becoming choppy. TONIGHT Northeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. THURSDAY Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters choppy. THURSDAY NIGHT Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Nearshore waters choppy. FRIDAY Northeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. FRIDAY NIGHT Northeast to east winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. SATURDAY Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. SATURDAY NIGHT Northeast to east winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. SUNDAY Northeast to east winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers. SUNDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers. $$