Hazardous marine condition(s):
Short Term Forecast
GMZ005-180245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1038 AM EDT Sun May 17 2026
.SYNOPSIS...High pressure centered just north of Bermuda will
continue to promote slowly freshening mainly east to southeast
breezes through the remainder of the weekend. Breezes will remain
moderate to fresh through at least Tuesday before slowly
slackening.
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.
$$
GMZ033-034-180245- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1038 AM EDT Sun May 17 2026 THIS AFTERNOON East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas around 2 feet, building to 2 to 3 feet. Wave Detail: East to southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. TONIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. TUESDAY East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. TUESDAY NIGHT East winds near 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. WEDNESDAY East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. WEDNESDAY NIGHT East winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. THURSDAY East winds 5 to 10 knots. Seas around 2 feet, subsiding to 1 to 2 feet. A slight chance of showers. THURSDAY NIGHT East to southeast winds near 10 knots. Seas building to around 2 feet. A slight chance of showers and thunderstorms. $$
GMZ033-034-180245- 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- 1038 AM EDT Sun May 17 2026 THIS AFTERNOON East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas around 2 feet, building to 2 to 3 feet. Wave Detail: East to southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. TONIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. MONDAY East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. 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 chance of showers with a slight chance of thunderstorms. TUESDAY East winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms. TUESDAY NIGHT East winds near 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. WEDNESDAY East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of 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. THURSDAY East winds 5 to 10 knots. Seas around 2 feet, subsiding to 1 to 2 feet. A slight chance of showers. THURSDAY NIGHT East to southeast winds near 10 knots. Seas building to around 2 feet. A slight chance of showers and thunderstorms. $$