Hazardous marine condition(s):
Short Term Forecast
GMZ005-090345-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1037 AM EST Thu Jan 8 2026
.SYNOPSIS...A ridge across the southwestern Atlantic will
strengthen, allowing breezes to freshen to gentle to moderate
through the end of the week and become more easterly. The
exception will be out across the Straits of Florida, where
moderate to occasionally fresh breezes will be possible. The next
cold front passage is looking to be late Sunday into early Monday
with freshening northerly breezes in the wake.
The Approximate Shoreward Edge of the Gulf Stream as of January
06...
17 NM South of Dry Tortugas Light...on Loggerhead Key.
11 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
11 NM South of Sand Key Light...off Key West.
16 NM South of Looe Key...off Big Pine Key.
15 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.
3 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.
$$
GMZ042>044-090345- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1037 AM EST Thu Jan 8 2026 THIS AFTERNOON East winds near 10 knots, becoming east to southeast 10 to 15 knots. Seas around 1 foot, building to around 2 feet feet. Nearshore waters a light chop, becoming a light to moderate chop. Scattered showers. TONIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. FRIDAY East to southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. FRIDAY NIGHT East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. SATURDAY East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. SATURDAY NIGHT East winds near 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a light chop. Isolated showers. SUNDAY Northeast to east winds 5 to 10 knots, becoming north to northeast near 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers. SUNDAY NIGHT North winds 10 to 15 knots, becoming north to northeast near 20 knots. Seas 1 to 2 feet. West of Cosgrove Shoal Light, seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet. Nearshore waters a light to moderate chop, becoming rough. Isolated showers. MONDAY North to northeast winds near 20 knots. Seas 2 to 3 feet, except 5 to 7 feet, occasionally to 9 feet west of Cosgrove Shoal Light. Nearshore waters rough. Isolated showers. MONDAY NIGHT Northeast winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore waters choppy. Isolated showers. $$
GMZ042>044-090345- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1037 AM EST Thu Jan 8 2026 THIS AFTERNOON East winds near 10 knots, becoming east to southeast 10 to 15 knots. Seas around 1 foot, building to around 2 feet feet. Nearshore waters a light chop, becoming a light to moderate chop. Scattered showers. TONIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. FRIDAY East to southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. FRIDAY NIGHT East winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. SATURDAY East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. Isolated showers. SATURDAY NIGHT East winds near 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a light chop. Isolated showers. SUNDAY Northeast to east winds 5 to 10 knots, becoming north to northeast near 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers. SUNDAY NIGHT North winds 10 to 15 knots, becoming north to northeast near 20 knots. Seas 1 to 2 feet. West of Cosgrove Shoal Light, seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet. Nearshore waters a light to moderate chop, becoming rough. Isolated showers. MONDAY North to northeast winds near 20 knots. Seas 2 to 3 feet, except 5 to 7 feet, occasionally to 9 feet west of Cosgrove Shoal Light. Nearshore waters rough. Isolated showers. MONDAY NIGHT Northeast winds 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore waters choppy. Isolated showers. $$