Hazardous marine condition(s):
Short Term Forecast
GMZ005-030830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
427 PM EDT Wed Sep 2 2026
.SYNOPSIS...
The western periphery of a weak North Atlantic high will remain
in loose control of the Keys coastal waters for the next several
days. Light to gentle east to southeast breezes overnight through
morning will become light and variable at times during the
afternoon and evenings. In addition, the overall flow will keep
low-level moisture in place across the region, with seasonally
normal rain and thunder chances.
The Approximate Shoreward Edge of the Gulf Stream as of August 26,
2026...
32 NM south of Dry Tortugas Light, on Loggerhead Key
9 NM south-southeast of Cosgrove Shoal Light, off the Marquesas Keys
7 NM south-southeast of Sand Key Light, off Key West
6 NM south-southeast of Looe Key, off Big Pine Key
7 NM south-southeast of Sombrero Key Light, off Marathon
4 NM southeast of Alligator Reef Light, off Islamorada
1 NM west-northwest of Molasses Reef Light, off Key Largo
1 NM east-southeast of Carysfort Reef Light, off Ocean Reef
Gulf Stream Information Courtesy of the Naval Oceanographic
Office.
$$
GMZ033-034-030830- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 427 PM EDT Wed Sep 2 2026 TONIGHT Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. A chance of showers and thunderstorms. THURSDAY South to southwest winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. THURSDAY NIGHT Southeast to south winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. FRIDAY East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. FRIDAY NIGHT East winds 5 to 10 knots. Seas 1 foot or less. Showers and thunderstorms likely. SATURDAY East to southeast winds near 5 knots. Seas 1 foot or less. Showers and thunderstorms likely. SATURDAY NIGHT THROUGH MONDAY NIGHT Southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. $$
GMZ033-034-030830- 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- 427 PM EDT Wed Sep 2 2026 TONIGHT Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. A chance of showers and thunderstorms. THURSDAY South to southwest winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. THURSDAY NIGHT Southeast to south winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. FRIDAY East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. FRIDAY NIGHT East winds 5 to 10 knots. Seas 1 foot or less. Showers and thunderstorms likely. SATURDAY East to southeast winds near 5 knots. Seas 1 foot or less. Showers and thunderstorms likely. SATURDAY NIGHT THROUGH MONDAY NIGHT Southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. $$