Hazardous marine condition(s):
Small Craft Advisory
GMZ005-162130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
423 AM EST Fri Jan 16 2026
.SYNOPSIS...In the wake of the cold front yesterday, fresh north
to northeast breezes will prevail early this morning. High
pressure will quickly slide eastward across the Southeast behind
the front. This will support rapidly slackening breezes later
today through Saturday with breezes continuing to clock to the
northeast to east. The next cold front is progged to push through
the Florida Keys coastal waters on Sunday or Sunday night, with
fresh to strong northerly breezes in its wake for early next week.
The Approximate Shoreward Edge of the Gulf Stream as of January
12...
19 NM South of Dry Tortugas Light...on Loggerhead Key.
13 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
15 NM South of Sand Key Light...off Key West.
17 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
15 NM Southeast of Alligator Reef Light...off Islamorada.
10 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.
$$
GMZ032-035-162130- 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- 423 AM EST Fri Jan 16 2026 SMALL CRAFT ADVISORY IN EFFECT TODAY North to northeast winds near 20 knots, becoming northeast near 10 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. West of the Marquesas Keys, seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 7 feet. Nearshore waters rough, becoming a light chop. TONIGHT Northeast to east winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, except 3 to 5 feet, occasionally to 6 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a light chop. Isolated showers after midnight. SATURDAY Northeast winds near 10 knots, becoming north to northeast 5 to 10 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light chop, becoming smooth to a light chop. Isolated showers. SATURDAY NIGHT North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. SUNDAY North winds 10 to 15 knots, becoming northwest to north near 20 knots in the afternoon. Seas 1 to 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop, becoming rough. Isolated showers. SUNDAY NIGHT North winds 20 to 25 knots, decreasing to near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. West of the Marquesas Keys, seas 4 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. Nearshore waters very rough, becoming rough. Isolated showers. MONDAY North winds near 20 knots, becoming north to northeast near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters rough, becoming a moderate chop. MONDAY NIGHT North to northeast winds near 15 knots, increasing to near 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 a moderate chop, becoming rough. TUESDAY North to northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters rough. TUESDAY NIGHT Northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters rough. $$
GMZ032-035-162130- 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- 423 AM EST Fri Jan 16 2026 SMALL CRAFT ADVISORY IN EFFECT TODAY North to northeast winds near 20 knots, becoming northeast near 10 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 2 to 3 feet. West of the Marquesas Keys, seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to 7 feet. Nearshore waters rough, becoming a light chop. TONIGHT Northeast to east winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, except 3 to 5 feet, occasionally to 6 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a light chop. Isolated showers after midnight. SATURDAY Northeast winds near 10 knots, becoming north to northeast 5 to 10 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light chop, becoming smooth to a light chop. Isolated showers. SATURDAY NIGHT North to northeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers. SUNDAY North winds 10 to 15 knots, becoming northwest to north near 20 knots in the afternoon. Seas 1 to 2 feet, building to 2 to 3 feet. Nearshore waters a light to moderate chop, becoming rough. Isolated showers. SUNDAY NIGHT North winds 20 to 25 knots, decreasing to near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. West of the Marquesas Keys, seas 4 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. Nearshore waters very rough, becoming rough. Isolated showers. MONDAY North winds near 20 knots, becoming north to northeast near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, except 5 to 7 feet, occasionally to 9 feet west of the Marquesas Keys. Nearshore waters rough, becoming a moderate chop. MONDAY NIGHT North to northeast winds near 15 knots, increasing to near 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 a moderate chop, becoming rough. TUESDAY North to northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters rough. TUESDAY NIGHT Northeast winds near 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 5 to 6 feet, occasionally to 8 feet west of the Marquesas Keys. Nearshore waters rough. $$