GMZ005-030930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
930 PM EST Mon Nov 2 2026
.SYNOPSIS...
High pressure offshore the Mid Atlantic States will maintain
gentle to occasionally moderate east winds through late Tuesday.
Elevated northerly swell will persist through Tuesday for the
waters southeast of the Upper Keys. Broad wind convergence across
the marine zones will keep shower and thunderstorm chances above
normal through Wednesday. Expect slackening breezes and drier air
gradually decreasing rain and thunder chances during the latter
portion of the week.
The Approximate Shoreward Edge of the Gulf Stream as of October
27, 2026...
19 NM south of Dry Tortugas Light, on Loggerhead Key
34 NM south of Cosgrove Shoal Light, off the Marquesas Keys
28 NM south of Sand Key Light, off Key West
38 NM south of Looe Key, off Big Pine Key
31 NM southeast of Sombrero Key Light, off Marathon
17 NM south-southeast of Alligator Reef Light, off Islamorada
10 NM southeast of Molasses Reef Light, off Key Largo
10 NM northwest of Carysfort Reef Light, off Ocean Reef
Gulf Stream Information Courtesy of the National Weather Service in
Key West, using data from RTOFS and NASA SPoRT SST.
$$
GMZ033-034-030930- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 930 PM EST Mon Nov 2 2026 OVERNIGHT East winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. TUESDAY East winds near 15 knots early, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. TUESDAY NIGHT East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. WEDNESDAY East winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Northeast to east winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. THURSDAY Northeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. THURSDAY NIGHT North to northeast winds near 5 knots. Seas 1 foot or less. FRIDAY North to northeast winds near 5 knots. Seas 1 foot or less. FRIDAY NIGHT North winds near 5 knots. Seas around 1 foot. SATURDAY North to northeast winds near 5 knots, increasing to 5 to 10 knots. Seas 1 to 2 feet. SATURDAY NIGHT North to northeast winds near 10 knots. Seas 1 to 2 feet. $$
GMZ033-034-030930- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 930 PM EST Mon Nov 2 2026 OVERNIGHT East winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. TUESDAY East winds near 15 knots early, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. TUESDAY NIGHT East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. WEDNESDAY East winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Northeast to east winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. THURSDAY Northeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. THURSDAY NIGHT North to northeast winds near 5 knots. Seas 1 foot or less. FRIDAY North to northeast winds near 5 knots. Seas 1 foot or less. FRIDAY NIGHT North winds near 5 knots. Seas around 1 foot. SATURDAY North to northeast winds near 5 knots, increasing to 5 to 10 knots. Seas 1 to 2 feet. SATURDAY NIGHT North to northeast winds near 10 knots. Seas 1 to 2 feet. $$