Hazardous marine condition(s):
Small Craft Advisory
GMZ005-041530-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 PM EST Mon Nov 3 2025
.SYNOPSIS...North to northeast breezes will continue to surge
overnight as a cold front pushes through Keys waters. In the wake
of the front, strong surface high pressure will slowly migrate
eastward across the Southeast U.S. and maintain moderate to fresh
breezes. Thereafter, breezes slacken as the ridge moves out into
the Atlantic and weakens.
The Approximate Shoreward Edge of the Gulf Stream as of October
28...
49 NM South of Dry Tortugas Light...on Loggerhead Key.
40 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
20 NM South of Sand Key Light...off Key West.
17 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
4 NM Southeast of Alligator Reef Light...off Islamorada.
2 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.
$$
GMZ042>044-041530- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1028 PM EST Mon Nov 3 2025 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT North to northeast winds 15 to 20 knots, increasing to near 20 knots. Seas around 2 feet, building to 2 to 3 feet. Nearshore waters choppy, becoming rough. Isolated showers. TUESDAY Northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters rough. Isolated showers. TUESDAY NIGHT Northeast to east winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Isolated showers. WEDNESDAY Northeast to east winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Isolated showers. WEDNESDAY NIGHT Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. THURSDAY Northeast to east winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Isolated showers. THURSDAY NIGHT East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers. FRIDAY East winds 10 to 15 knots, decreasing to near 10 knots. Seas around 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. Scattered showers. FRIDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Scattered showers. SATURDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers. SATURDAY NIGHT East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Isolated showers. $$
GMZ042>044-041530- 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- 1028 PM EST Mon Nov 3 2025 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT North to northeast winds 15 to 20 knots, increasing to near 20 knots. Seas around 2 feet, building to 2 to 3 feet. Nearshore waters choppy, becoming rough. Isolated showers. TUESDAY Northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters rough. Isolated showers. TUESDAY NIGHT Northeast to east winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy. Isolated showers. WEDNESDAY Northeast to east winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Isolated showers. WEDNESDAY NIGHT Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. THURSDAY Northeast to east winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. Isolated showers. THURSDAY NIGHT East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers. FRIDAY East winds 10 to 15 knots, decreasing to near 10 knots. Seas around 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. Scattered showers. FRIDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Scattered showers. SATURDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers. SATURDAY NIGHT East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Isolated showers. $$