Hazardous marine condition(s):
Short Term Forecast
Small Craft Advisory
GMZ005-030230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 AM EDT Fri Oct 2 2026
.SYNOPSIS...
High pressure offshore of the Eastern Seaboard will remain in
place into the weekend. This feature will maintain moderate to
fresh southeasterly breezes across the Straits of Florida and
southwestern Gulf waters through the early morning hours, breezes
are on track to slacken to moderate by this afternoon.
Southeasterly winds will continue to prevail this weekend with
widespread moderate breezes on Saturday and subsiding to gentle to
moderate on Sunday. The winds will remain southeasterly into
early next week and generally remain less than 10 knots and seas 2
feet or less. In addition, a wet weather pattern will remain
across the Keys marine zones through this afternoon, resulting in
periods of scattered to numerous showers and thunderstorms.
The Approximate Shoreward Edge of the Gulf Stream as of
September 25, 2026...
43 NM south of Dry Tortugas Light, on Loggerhead Key
20 NM south of Cosgrove Shoal Light, off the Marquesas Keys
14 NM south of Sand Key Light, off Key West
7 NM south-southeast of Looe Key, off Big Pine Key
4 NM south-southeast of Sombrero Key Light, off Marathon
4 NM south-southeast of Alligator Reef Light, off Islamorada
0 NM southeast of Molasses Reef Light, off Key Largo
1 NM west-northwest of Carysfort Reef Light, off Ocean Reef
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
$$
GMZ033-034-030230- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1028 AM EDT Fri Oct 2 2026 SMALL CRAFT ADVISORY IN EFFECT THIS AFTERNOON East to southeast winds near 20 knots early, decreasing to 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers and thunderstorms. Winds stronger and seas higher in and near showers and thunderstorms. TONIGHT East to southeast winds near 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers and thunderstorms. SATURDAY East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 4 seconds. A chance of showers and thunderstorms. SATURDAY NIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. SUNDAY East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY Southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. TUESDAY South winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. TUESDAY NIGHT Southeast to south winds 5 to 10 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. $$
GMZ033-034-030230- 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- 1028 AM EDT Fri Oct 2 2026 SMALL CRAFT ADVISORY IN EFFECT THIS AFTERNOON East to southeast winds near 20 knots early, decreasing to 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers and thunderstorms. Winds stronger and seas higher in and near showers and thunderstorms. TONIGHT East to southeast winds near 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A chance of showers and thunderstorms. SATURDAY East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 4 seconds. A chance of showers and thunderstorms. SATURDAY NIGHT East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. SUNDAY East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY Southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. MONDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. TUESDAY South winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. TUESDAY NIGHT Southeast to south winds 5 to 10 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. $$