GMZ005-030930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
427 PM EST Fri Jan 2 2026
.SYNOPSIS...High pressure over South Florida will maintain light
and variable breezes tonight and into the weekend. A weak front
is expected to pass through the Key late Sunday, bringing in light
northerlies. In the wake of the front, high pressure will slide
across the eastern United States. This will maintain northeast
breezes initially before becoming mainly easterly as the high
moves out into the Atlantic.
The Approximate Shoreward Edge of the Gulf Stream as of January
01...
14 NM South of Dry Tortugas Light...on Loggerhead Key.
14 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
13 NM South of Looe Key...off Big Pine Key.
12 NM Southeast of Sombrero Key Light...off Marathon.
9 NM Southeast of Alligator Reef Light...off Islamorada.
3 NM Southeast of Molasses Reef Light...off Key Largo.
2 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.
$$
GMZ032-035-030930- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 427 PM EST Fri Jan 2 2026 TONIGHT Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. SATURDAY Variable winds near 5 knots, becoming south to southwest in the afternoon. Seas 1 foot or less. Nearshore waters smooth. SATURDAY NIGHT Southwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers. SUNDAY Southwest to west winds 5 to 10 knots, becoming west near 10 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of the Marquesas Keys. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers. SUNDAY NIGHT Northwest winds near 10 knots, becoming north. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light chop. MONDAY North to northeast winds near 10 knots, becoming northeast to east 5 to 10 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light chop, becoming smooth to a light chop. MONDAY NIGHT Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. TUESDAY AND TUESDAY NIGHT East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. WEDNESDAY AND WEDNESDAY NIGHT East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. $$
GMZ032-035-030930- 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- 427 PM EST Fri Jan 2 2026 TONIGHT Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. SATURDAY Variable winds near 5 knots, becoming south to southwest in the afternoon. Seas 1 foot or less. Nearshore waters smooth. SATURDAY NIGHT Southwest winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers. SUNDAY Southwest to west winds 5 to 10 knots, becoming west near 10 knots. Seas 1 to 2 feet, except building to 2 to 3 feet west of the Marquesas Keys. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers. SUNDAY NIGHT Northwest winds near 10 knots, becoming north. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a light chop. MONDAY North to northeast winds near 10 knots, becoming northeast to east 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. MONDAY NIGHT Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. TUESDAY AND TUESDAY NIGHT East winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. WEDNESDAY AND WEDNESDAY NIGHT East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. $$