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.
$$
GMZ032-035-030830- Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge- Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 427 PM EDT Wed Sep 2 2026 TONIGHT Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. THURSDAY Southeast to south winds near 5 knots, becoming variable. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. THURSDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. A chance of showers and thunderstorms. FRIDAY East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers and thunderstorms likely. SATURDAY East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Showers and thunderstorms likely. SATURDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. SUNDAY THROUGH MONDAY NIGHT Southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. $$
GMZ032-035-030830- 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 EDT Wed Sep 2 2026 TONIGHT Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. THURSDAY Southeast to south winds near 5 knots, becoming variable. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. THURSDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. A chance of showers and thunderstorms. FRIDAY East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers and thunderstorms likely. SATURDAY East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Showers and thunderstorms likely. SATURDAY NIGHT East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. SUNDAY THROUGH MONDAY NIGHT Southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms. $$