Hazardous marine condition(s):
Small Craft Advisory
GMZ005-290330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 AM EST Wed Jan 28 2026
.SYNOPSIS...Fresh northerly breezes will gradually slacken over
the next couple of days as high pressure continues to move across
the southeastern U.S. Gentle to moderate northerly breezes will
only continue through Friday as a strong cold front approaches
from the Gulf. Breezes will back to the northwest as the front
arrives at our doorstep, and a drastic freshening will occur
Saturday. Strong to possible near gale force breezes are possible
by Saturday night with marine hazards expected to continue through
at least Sunday.
The Approximate Shoreward Edge of the Gulf Stream as of January
28...
30 NM South of Dry Tortugas Light...on Loggerhead Key.
14 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
12 NM South of Sand Key Light...off Key West.
15 NM South of Looe Key...off Big Pine Key.
16 NM Southeast of Sombrero Key Light...off Marathon.
11 NM Southeast of Alligator Reef Light...off Islamorada.
7 NM Southeast of Molasses Reef Light...off Key Largo.
5 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>075-290330- 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- 1028 AM EST Wed Jan 28 2026 SMALL CRAFT ADVISORY IN EFFECT THIS AFTERNOON North winds near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 7 seconds and west to northwest 3 feet at 8 seconds. Scattered showers. TONIGHT North winds near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 4 feet at 6 seconds. Scattered showers. THURSDAY North to northeast winds 15 to 20 knots, becoming northeast and decreasing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6 seconds. Isolated showers. THURSDAY NIGHT Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. FRIDAY North to northeast winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers. FRIDAY NIGHT North winds 10 to 15 knots, becoming northwest and increasing to near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Isolated showers. SATURDAY West to northwest winds 15 to 20 knots, becoming northwest and increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Scattered showers. SATURDAY NIGHT Northwest winds increasing to 25 to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet. Isolated showers. SUNDAY Northwest to north winds 20 to 25 knots, decreasing to near 20 knots. Seas 8 to 11 feet, occasionally to 14 feet. Isolated showers. SUNDAY NIGHT Northwest to north winds near 20 knots, decreasing to 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Isolated showers. $$
GMZ052>055-072>075-290330- 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- 1028 AM EST Wed Jan 28 2026 SMALL CRAFT ADVISORY IN EFFECT THIS AFTERNOON North winds near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 7 seconds and west to northwest 3 feet at 8 seconds. Scattered showers. TONIGHT North winds near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 4 feet at 6 seconds. Scattered showers. THURSDAY North to northeast winds 15 to 20 knots, becoming northeast and decreasing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6 seconds. Isolated showers. THURSDAY NIGHT Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. FRIDAY North to northeast winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers. FRIDAY NIGHT North winds 10 to 15 knots, becoming northwest and increasing to near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Isolated showers. SATURDAY West to northwest winds 15 to 20 knots, becoming northwest and increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Scattered showers. SATURDAY NIGHT Northwest winds increasing to 25 to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet. Isolated showers. SUNDAY Northwest to north winds 20 to 25 knots, decreasing to near 20 knots. Seas 8 to 11 feet, occasionally to 14 feet. Isolated showers. SUNDAY NIGHT Northwest to north winds near 20 knots, decreasing to 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Isolated showers. $$