Hazardous marine condition(s):
Short Term Forecast
GMZ005-300230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1022 AM EDT Sat Aug 29 2026
.SYNOPSIS...
The western periphery of an Atlantic high is expected to maintain
control of the Keys for the next several days. This will continue
to promote peaking and lulling breezes. The direction will also
shift over the coming days with east to southeast 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.
$$
GMZ033-034-300230- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1022 AM EDT Sat Aug 29 2026 THIS AFTERNOON East winds near 10 knots, decreasing to 5 to 10 knots. Seas around 1 foot. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms. TONIGHT Northeast to east winds near 10 knots, becoming east to southeast and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. SUNDAY East to southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. SUNDAY NIGHT Northeast to east winds near 10 knots, becoming east to southeast and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. A chance of showers and thunderstorms. MONDAY East to southeast winds near 10 knots, becoming northeast to east. Seas around 1 foot. A chance of showers and thunderstorms. MONDAY NIGHT Northeast to east winds 10 to 15 knots, becoming east. Seas 1 to 2 feet. A chance of showers and thunderstorms. TUESDAY East winds near 10 knots, becoming northeast to east and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Showers likely with a chance of thunderstorms. TUESDAY NIGHT East winds near 10 knots. Seas around 1 foot. Showers and thunderstorms likely. WEDNESDAY East winds 5 to 10 knots. Seas around 1 foot. Showers and thunderstorms likely. WEDNESDAY NIGHT East winds near 10 knots. Seas around 1 foot. Thunderstorms likely. Showers likely. $$
GMZ033-034-300230- 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- 1022 AM EDT Sat Aug 29 2026 THIS AFTERNOON East winds near 10 knots, decreasing to 5 to 10 knots. Seas around 1 foot. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms. TONIGHT Northeast to east winds near 10 knots, becoming east to southeast and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. SUNDAY East to southeast winds near 10 knots, decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. SUNDAY NIGHT Northeast to east winds near 10 knots, becoming east to southeast and increasing to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. A chance of showers and thunderstorms. MONDAY East to southeast winds near 10 knots, becoming northeast to east. Seas around 1 foot. A chance of showers and thunderstorms. MONDAY NIGHT Northeast to east winds 10 to 15 knots, becoming east. Seas 1 to 2 feet. A chance of showers and thunderstorms. TUESDAY East winds near 10 knots, becoming northeast to east and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Showers likely with a chance of thunderstorms. TUESDAY NIGHT East winds near 10 knots. Seas around 1 foot. Showers and thunderstorms likely. WEDNESDAY East winds 5 to 10 knots. Seas around 1 foot. Showers and thunderstorms likely. WEDNESDAY NIGHT East winds near 10 knots. Seas around 1 foot. Thunderstorms likely. Showers likely. $$