GMZ005-162030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
417 AM EDT Sat May 16 2026
.SYNOPSIS...High pressure developing over the Southeast will take
root across the western North Atlantic over the weekend. As a
result, easterly breezes will freshen starting today and further
freshen into Sunday and Monday. Expecting breezes to peak at
moderate to fresh through this period before gradually slackening
Tuesday.
The Approximate Shoreward Edge of the Gulf Stream as of May 12...
35 NM South of Dry Tortugas Light...on Loggerhead Key.
9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
6 NM South of Sand Key Light...off Key West.
7 NM South of Looe Key...off Big Pine Key.
6 NM Southeast of Sombrero Key Light...off Marathon.
6 NM Southeast of Alligator Reef Light...off Islamorada.
4 NM Southeast of Molasses Reef Light...off Key Largo.
3 NM Southeast of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the National Weather Service in
Key West based on products from NASA SPoRT and RTOFS.
$$
GMZ033-034-162030- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 417 AM EDT Sat May 16 2026 TODAY East to southeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Wave Detail: East to southeast 1 foot at 2 seconds and northwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms. TONIGHT East to southeast winds 10 to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Wave Detail: East to southeast 2 feet at 3 seconds and northwest 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT East winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet, building to 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. MONDAY East to southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms. WEDNESDAY East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. $$
GMZ033-034-162030- 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- 417 AM EDT Sat May 16 2026 TODAY East to southeast winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Wave Detail: East to southeast 1 foot at 2 seconds and northwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms. TONIGHT East to southeast winds 10 to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Wave Detail: East to southeast 2 feet at 3 seconds and northwest 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. SUNDAY NIGHT East winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet, building to 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. MONDAY East to southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. TUESDAY East to southeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers and thunderstorms. TUESDAY NIGHT East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms. WEDNESDAY East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. $$