Hazardous marine condition(s):
Small Craft Advisory
GMZ005-272145-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
436 AM EST Tue Jan 27 2026
.SYNOPSIS...Winds have freshened substantially following this
evening's frontal passage through the Keys marine zones, clocking
around to the northwest to north and becoming strong to near gale,
gusting up to near 35 knots. Winds will relax substantially on
Tuesday, as high pressure builds southeastward through the
Southeast and across the Florida Peninsula. 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.
$$
GMZ042-272145- Hawk Channel from Ocean Reef to Craig Key out to the reef- 436 AM EST Tue Jan 27 2026 SMALL CRAFT ADVISORY IN EFFECT TODAY North to northeast winds near 25 knots, becoming 15 to 20 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet, except 6 to 8 feet, occasionally to 10 feet west of Cosgrove Shoal Light. Nearshore waters extremely rough, becoming choppy. TONIGHT North to northeast winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light. Nearshore waters choppy. WEDNESDAY North to northeast winds 15 to 20 knots, briefly lulling to near 15 knots in the afternoon. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, briefly becoming a moderate chop. Isolated showers. WEDNESDAY NIGHT North winds 15 to 20 knots, increasing to near 20 knots. Seas 1 to 2 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, becoming rough. THURSDAY North to northeast winds 15 to 20 knots, decreasing to 10 to 15 knots in the afternoon. Seas 1 to 2 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, becoming a light to moderate chop. THURSDAY NIGHT North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers. FRIDAY North to northeast winds near 15 knots, becoming north 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. FRIDAY NIGHT Northwest winds near 15 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of Cosgrove Shoal Light. Nearshore waters a moderate chop. Isolated showers. SATURDAY West to northwest winds 15 to 20 knots, becoming northwest 20 to 25 knots. Seas 2 to 3 feet. West of Cosgrove Shoal Light, seas 2 to 3 feet, building to 4 to 5 feet, occasionally to 6 feet. Nearshore waters choppy, becoming very rough. Isolated showers. SATURDAY NIGHT Northwest to north winds near 25 knots. Seas 2 to 3 feet, except 5 to 7 feet, occasionally to 9 feet west of Cosgrove Shoal Light. Nearshore waters extremely rough. Isolated showers. $$
GMZ042-272145- Hawk Channel from Ocean Reef to Craig Key out to the reef- 436 AM EST Tue Jan 27 2026 SMALL CRAFT ADVISORY IN EFFECT TODAY North to northeast winds near 25 knots, becoming 15 to 20 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet, except 6 to 8 feet, occasionally to 10 feet west of Cosgrove Shoal Light. Nearshore waters extremely rough, becoming choppy. TONIGHT North to northeast winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 6 feet, occasionally to 8 feet west of Cosgrove Shoal Light. Nearshore waters choppy. WEDNESDAY North to northeast winds 15 to 20 knots, briefly lulling to near 15 knots in the afternoon. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, briefly becoming a moderate chop. Isolated showers. WEDNESDAY NIGHT North winds 15 to 20 knots, increasing to near 20 knots. Seas 1 to 2 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, becoming rough. THURSDAY North to northeast winds 15 to 20 knots, decreasing to 10 to 15 knots in the afternoon. Seas 1 to 2 feet, except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy, becoming a light to moderate chop. THURSDAY NIGHT North to northeast winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers. FRIDAY North to northeast winds near 15 knots, becoming north 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. FRIDAY NIGHT Northwest winds near 15 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of Cosgrove Shoal Light. Nearshore waters a moderate chop. Isolated showers. SATURDAY West to northwest winds 15 to 20 knots, becoming northwest 20 to 25 knots. Seas 2 to 3 feet. West of Cosgrove Shoal Light, seas 2 to 3 feet, building to 4 to 5 feet, occasionally to 6 feet. Nearshore waters choppy, becoming very rough. Isolated showers. SATURDAY NIGHT Northwest to north winds near 25 knots. Seas 2 to 3 feet, except 5 to 7 feet, occasionally to 9 feet west of Cosgrove Shoal Light. Nearshore waters extremely rough. Isolated showers. $$