Hazardous marine condition(s):
Small Craft Advisory
GMZ005-280330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1018 AM EST Tue Jan 27 2026
.SYNOPSIS...Winds relaxed substantially on early this morning, as
high pressure built southeastward through the Southeast and
across the Florida Peninsula. However, sustained moderate to fresh
breezes and elevated seas will last through the evening.
Additional wind surges are becoming increasingly likely Tuesday
night into Wednesday night, as a reinforcing cold front rolls
southward across the area.
The Approximate Shoreward Edge of the Gulf Stream as of January
18...
18 NM South of Dry Tortugas Light...on Loggerhead Key.
16 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
15 NM South of Sand Key Light...off Key West.
13 NM South of Looe Key...off Big Pine Key.
13 NM Southeast of Sombrero Key Light...off Marathon.
12 NM Southeast of Alligator Reef Light...off Islamorada.
7 NM Southeast of Molasses Reef Light...off Key Largo.
4 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.
$$
GMZ052>055-072>075-280330- 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- 1018 AM EST Tue Jan 27 2026 SMALL CRAFT ADVISORY IN EFFECT THIS AFTERNOON North to northeast winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: West to northwest 6 feet at 8 seconds. TONIGHT North to northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 5 feet at 7 seconds and west to northwest 5 feet at 9 seconds. WEDNESDAY North to northeast winds 15 to 20 knots, briefly lulling to near 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast to east 4 feet at 7 seconds and west to northwest 4 feet at 8 seconds. Isolated showers. WEDNESDAY NIGHT North winds 15 to 20 knots, increasing to near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers. THURSDAY North to northeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet. Isolated showers. THURSDAY NIGHT Northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Isolated showers. FRIDAY North to northeast winds near 15 knots, becoming north 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Isolated showers. FRIDAY NIGHT Northwest winds near 15 knots. Seas building to 2 to 4 feet. Scattered showers. SATURDAY West to northwest winds near 15 knots, becoming northwest 20 to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Scattered showers. SATURDAY NIGHT Northwest to north winds near 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Isolated showers. $$
GMZ052>055-072>075-280330- 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- 1018 AM EST Tue Jan 27 2026 SMALL CRAFT ADVISORY IN EFFECT THIS AFTERNOON North to northeast winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: West to northwest 6 feet at 8 seconds. TONIGHT North to northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 5 feet at 7 seconds and west to northwest 5 feet at 9 seconds. WEDNESDAY North to northeast winds 15 to 20 knots, briefly lulling to near 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast to east 4 feet at 7 seconds and west to northwest 4 feet at 8 seconds. Isolated showers. WEDNESDAY NIGHT North winds 15 to 20 knots, increasing to near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers. THURSDAY North to northeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet. Isolated showers. THURSDAY NIGHT Northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Isolated showers. FRIDAY North to northeast winds near 15 knots, becoming north 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. Isolated showers. FRIDAY NIGHT Northwest winds near 15 knots. Seas building to 2 to 4 feet. Scattered showers. SATURDAY West to northwest winds near 15 knots, becoming northwest 20 to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Scattered showers. SATURDAY NIGHT Northwest to north winds near 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Isolated showers. $$