Hazardous marine condition(s):
Small Craft Advisory
GMZ005-121545-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1033 PM EST Tue Nov 11 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.
$$
GMZ052>055-072>075-121545- 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- 1033 PM EST Tue Nov 11 2025 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT Northeast winds near 20 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 9 feet at 8 seconds and west to northwest 5 feet at 9 seconds. Isolated showers. WEDNESDAY Northeast to east winds near 20 knots, decreasing to 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 7 seconds and west to northwest 3 feet at 9 seconds. WEDNESDAY NIGHT Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast to east 5 feet at 6 seconds and west to northwest 2 feet at 7 seconds. THURSDAY Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. THURSDAY NIGHT Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Isolated showers. FRIDAY Northeast winds 15 to 20 knots. Seas 3 to 6 feet, occasionally to 7 feet. FRIDAY NIGHT Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. SATURDAY Northeast to east winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. SATURDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SUNDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. SUNDAY NIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. $$
GMZ052>055-072>075-121545- 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- 1033 PM EST Tue Nov 11 2025 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT Northeast winds near 20 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 9 feet at 8 seconds and west to northwest 5 feet at 9 seconds. Isolated showers. WEDNESDAY Northeast to east winds near 20 knots, decreasing to 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 7 seconds and west to northwest 3 feet at 9 seconds. WEDNESDAY NIGHT Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast to east 5 feet at 6 seconds and west to northwest 2 feet at 7 seconds. THURSDAY Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. THURSDAY NIGHT Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Isolated showers. FRIDAY Northeast winds 15 to 20 knots. Seas 3 to 6 feet, occasionally to 7 feet. FRIDAY NIGHT Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. SATURDAY Northeast to east winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. SATURDAY NIGHT East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. SUNDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. SUNDAY NIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. $$