Hazardous marine condition(s):
Short Term Forecast
GMZ005-310245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1035 AM EDT Sun Aug 30 2026
.SYNOPSIS...
The western periphery of an Atlantic high remains in control of
the Keys for the next several days. Therefore, expect continued
peaking and lulling breezes. The direction will also shift over
the coming days with east to southeasterly breezes overnight and
in the morning with northeast to east breezes late afternoon and
evening. In addition, the overall flow will keep deep moisture in
place across the region with daily chances of showers and
thunderstorms. Locally hazardous winds and seas are expected in
the vicinity of thunderstorm activity.
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.
$$
GMZ033-034-310245- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1035 AM EDT Sun Aug 30 2026 THIS AFTERNOON East to southeast winds 10 to 15 knots, becoming 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. TONIGHT East winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers and thunderstorms. MONDAY East winds near 5 knots. Seas 1 foot or less. Wave Detail: East to southeast 1 foot at 3 seconds. Showers likely with a chance of thunderstorms. MONDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. TUESDAY East to southeast winds 5 to 10 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. TUESDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. WEDNESDAY East winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. Showers and thunderstorms likely. THURSDAY East winds 5 to 10 knots. Seas around 1 foot. Showers and thunderstorms likely. THURSDAY NIGHT East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Showers and thunderstorms likely. $$
GMZ033-034-310245- 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- 1035 AM EDT Sun Aug 30 2026 THIS AFTERNOON East to southeast winds 10 to 15 knots, becoming 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. TONIGHT East winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers and thunderstorms. MONDAY East winds near 5 knots. Seas 1 foot or less. Wave Detail: East to southeast 1 foot at 3 seconds. Showers likely with a chance of thunderstorms. MONDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. TUESDAY East to southeast winds 5 to 10 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. TUESDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. WEDNESDAY East winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. Showers and thunderstorms likely. THURSDAY East winds 5 to 10 knots. Seas around 1 foot. Showers and thunderstorms likely. THURSDAY NIGHT East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. Showers and thunderstorms likely. $$