GMZ005-080930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
418 PM EST Fri Nov 7 2025
.SYNOPSIS...High pressure will continue to slide eastward across
the central North Atlantic Saturday and Sunday. This will result
breezes slackening and potentially becoming variable are times. A
potent cold front will push through the Florida Keys marine zones
on Monday, with fresh to strong northerlies expected in its wake
for early next week. As the next high builds in behind the front,
winds will shift out of the northeast and gradually slacken.
However, moderate to occasional fresh breezes will remain
possible.
The Approximate Shoreward Edge of the Gulf Stream as of November
4...
42 NM South of Dry Tortugas Light...on Loggerhead Key.
42 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
30 NM South of Sand Key Light...off Key West.
29 NM South of Looe Key...off Big Pine Key.
27 NM Southeast of Sombrero Key Light...off Marathon.
14 NM Southeast of Alligator Reef Light...off Islamorada.
4 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.
$$
GMZ032-035-080930- 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- 418 PM EST Fri Nov 7 2025 TONIGHT Northeast to east winds near 5 knots, becoming east to southeast. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. SATURDAY AND SATURDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. SUNDAY Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. SUNDAY NIGHT West to northwest winds 5 to 10 knots, increasing to near 10 knots. Seas building to around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers. MONDAY Northwest winds 10 to 15 knots, increasing to near 25 knots in the afternoon. Seas 1 to 2 feet, building to 3 to 5 feet, occasionally to 6 feet. West of the Marquesas Keys, seas 2 to 3 feet, building to 5 to 7 feet, occasionally to 9 feet. Nearshore waters choppy, becoming very rough. Isolated showers. MONDAY NIGHT North winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 8 to 10 feet, occasionally to 13 feet west of the Marquesas Keys. Nearshore waters extremely rough. TUESDAY North to northeast winds near 25 knots, decreasing to near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. West of the Marquesas Keys, seas 7 to 9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet. Nearshore waters extremely rough, becoming very rough. TUESDAY NIGHT Northeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet. West of the Marquesas Keys, seas 5 to 6 feet, occasionally to 8 feet, subsiding to 4 to 5 feet, occasionally to 7 feet. Nearshore waters rough, becoming choppy. WEDNESDAY Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 1 to 3 feet. West of the Marquesas Keys, seas 4 to 5 feet, occasionally to 6 feet. subsiding to 3 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. Isolated showers. WEDNESDAY NIGHT Northeast winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop. Isolated showers. $$
GMZ032-035-080930- 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- 418 PM EST Fri Nov 7 2025 TONIGHT Northeast to east winds near 5 knots, becoming east to southeast. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. SATURDAY AND SATURDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. SUNDAY Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers. SUNDAY NIGHT West to northwest winds 5 to 10 knots, increasing to near 10 knots. Seas building to around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Isolated showers. MONDAY Northwest winds 10 to 15 knots, increasing to near 25 knots in the afternoon. Seas 1 to 2 feet, building to 3 to 5 feet, occasionally to 6 feet. West of the Marquesas Keys, seas 2 to 3 feet, building to 5 to 7 feet, occasionally to 9 feet. Nearshore waters choppy, becoming very rough. Isolated showers. MONDAY NIGHT North winds 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 8 to 10 feet, occasionally to 13 feet west of the Marquesas Keys. Nearshore waters extremely rough. TUESDAY North to northeast winds near 25 knots, decreasing to near 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. West of the Marquesas Keys, seas 7 to 9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet. Nearshore waters extremely rough, becoming very rough. TUESDAY NIGHT Northeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet. West of the Marquesas Keys, seas 5 to 6 feet, occasionally to 8 feet, subsiding to 4 to 5 feet, occasionally to 7 feet. Nearshore waters rough, becoming choppy. WEDNESDAY Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 1 to 3 feet. West of the Marquesas Keys, seas 4 to 5 feet, occasionally to 6 feet. subsiding to 3 to 4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming a moderate chop. Isolated showers. WEDNESDAY NIGHT Northeast winds near 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop. Isolated showers. $$