Hazardous marine condition(s):
Small Craft Advisory
GMZ005-282130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
425 AM EST Wed Jan 28 2026
.SYNOPSIS...Fresh northerly breezes this morning 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.
$$
GMZ032-035-282130- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 425 AM EST Wed Jan 28 2026 SMALL CRAFT ADVISORY IN EFFECT TODAY North winds near 20 knots early, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters rough, becoming a moderate chop. Isolated showers. TONIGHT North winds increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters becoming choppy. THURSDAY North to northeast winds 15 to 20 knots early, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a light to moderate chop. THURSDAY NIGHT Northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. FRIDAY North winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers. FRIDAY NIGHT Northwest to north winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers. SATURDAY West winds 15 to 20 knots, becoming northwest and increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming very rough. Scattered showers. SATURDAY NIGHT Northwest winds 20 to 25 knots, increasing to 25 to 30 knots. Seas building to 5 to 7 feet, occasionally to 9 feet, except building to 8 to 11 feet, occasionally to 14 feet west of the Marquesas Keys. Nearshore waters very rough, becoming extremely rough. Isolated showers. SUNDAY Northwest to north winds near 25 knots, decreasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 8 to 11 feet, occasionally to 14 feet west of the Marquesas Keys. Nearshore waters extremely rough, becoming very rough. SUNDAY NIGHT Northwest to north winds near 20 knots, decreasing to 15 to 20 knots. Seas subsiding to 3 to 5 feet, occasionally to 6 feet. West of the Marquesas Keys, seas 7 to 9 feet, occasionally to 11 feet, subsiding to 5 to 6 feet, occasionally to 8 feet. Nearshore waters rough, becoming choppy. $$
GMZ032-035-282130- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 425 AM EST Wed Jan 28 2026 SMALL CRAFT ADVISORY IN EFFECT TODAY North winds near 20 knots early, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters rough, becoming a moderate chop. Isolated showers. TONIGHT North winds increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters becoming choppy. THURSDAY North to northeast winds 15 to 20 knots early, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a light to moderate chop. THURSDAY NIGHT Northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. FRIDAY North winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers. FRIDAY NIGHT Northwest to north winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Isolated showers. SATURDAY West winds 15 to 20 knots, becoming northwest and increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming very rough. Scattered showers. SATURDAY NIGHT Northwest winds 20 to 25 knots, increasing to 25 to 30 knots. Seas building to 5 to 7 feet, occasionally to 9 feet, except building to 8 to 11 feet, occasionally to 14 feet west of the Marquesas Keys. Nearshore waters very rough, becoming extremely rough. Isolated showers. SUNDAY Northwest to north winds near 25 knots, decreasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 8 to 11 feet, occasionally to 14 feet west of the Marquesas Keys. Nearshore waters extremely rough, becoming very rough. SUNDAY NIGHT Northwest to north winds near 20 knots, decreasing to 15 to 20 knots. Seas subsiding to 3 to 5 feet, occasionally to 6 feet. West of the Marquesas Keys, seas 7 to 9 feet, occasionally to 11 feet, subsiding to 5 to 6 feet, occasionally to 8 feet. Nearshore waters rough, becoming choppy. $$