Hazardous marine condition(s):
Small Craft Advisory
GMZ005-021545-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1032 PM EST Sun Feb 1 2026
.SYNOPSIS...Fresh to occasional strong northwest breezes winds
overnight through Monday morning will result hazardous marine
conditions. North to northeast breezes will slacken appreciably on
Tuesday, becoming gentle to moderate. Near the end of the week,
another cold front may push through the area, and could bring
another push of freshening breezes and building seas.
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.
$$
GMZ032-035-021545- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 1032 PM EST Sun Feb 1 2026 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT Northwest to north winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 6 to 8 feet, occasionally to 10 feet west of the Marquesas Keys. Nearshore waters rough. MONDAY North winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. West of the Marquesas Keys, seas 5 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. MONDAY NIGHT North to northeast winds near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters a moderate chop. TUESDAY Northeast winds decreasing to 10 to 15 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore waters becoming a light to moderate chop. TUESDAY NIGHT Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. WEDNESDAY North to northeast winds near 10 knots, decreasing to 5 to 10 knots. Seas subsiding to around 1 foot. West of the Marquesas Keys, seas 1 to 2 feet Nearshore waters a light chop, becoming smooth to a light chop. WEDNESDAY NIGHT Northwest to north winds 5 to 10 knots. Seas subsiding to 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers. THURSDAY West to northwest winds near 10 knots, increasing to near 20 knots. Seas around 1 foot, building to 2 to 3 feet. Nearshore waters a light chop, becoming rough. Scattered showers. THURSDAY NIGHT Northwest to north winds 20 to 25 knots, decreasing to near 20 knots. Seas building to 3 to 5 feet, occasionally to 6 feet, except building to 4 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters very rough, becoming rough. Isolated showers. FRIDAY Northwest to north winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of the Marquesas Keys. Nearshore waters choppy. FRIDAY NIGHT Northwest to north winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy, becoming a moderate chop. $$
GMZ032-035-021545- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 1032 PM EST Sun Feb 1 2026 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT Northwest to north winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 6 to 8 feet, occasionally to 10 feet west of the Marquesas Keys. Nearshore waters rough. MONDAY North winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. West of the Marquesas Keys, seas 5 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. MONDAY NIGHT North to northeast winds near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys. Nearshore waters a moderate chop. TUESDAY Northeast winds decreasing to 10 to 15 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore waters becoming a light to moderate chop. TUESDAY NIGHT Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. WEDNESDAY North to northeast winds near 10 knots, decreasing to 5 to 10 knots. Seas subsiding to around 1 foot. West of the Marquesas Keys, seas 1 to 2 feet Nearshore waters a light chop, becoming smooth to a light chop. WEDNESDAY NIGHT Northwest to north winds 5 to 10 knots. Seas subsiding to 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers. THURSDAY West to northwest winds near 10 knots, increasing to near 20 knots. Seas around 1 foot, building to 2 to 3 feet. Nearshore waters a light chop, becoming rough. Scattered showers. THURSDAY NIGHT Northwest to north winds 20 to 25 knots, decreasing to near 20 knots. Seas building to 3 to 5 feet, occasionally to 6 feet, except building to 4 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters very rough, becoming rough. Isolated showers. FRIDAY Northwest to north winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to 6 feet west of the Marquesas Keys. Nearshore waters choppy. FRIDAY NIGHT Northwest to north winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy, becoming a moderate chop. $$