Hazardous marine condition(s):
Short Term Forecast
GMZ005-282030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
429 AM EDT Sat Mar 28 2026
.SYNOPSIS...The axis of a decaying ridge lies across central
Florida and will slowly slide south through today. This will
maintain mostly gentle to moderate breezes with the exception of
the extreme Southeast Gulf waters immediately off the mainland,
with light to gentle breezes at times. This axis is being pushed
southward in advance of an approaching frontal boundary from the
north and northeast. Expect this front to sweep across the Florida
Keys coastal waters late today into early Sunday, with a period
of fresh to strong breezes expected in its wake, lasting through
early next week.
The Approximate Shoreward Edge of the Gulf Stream as of March 28...
26 NM South of Dry Tortugas Light...on Loggerhead Key.
38 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
36 NM South of Sand Key Light...off Key West.
24 NM South of Looe Key...off Big Pine Key.
20 NM Southeast of Sombrero Key Light...off Marathon.
15 NM Southeast of Alligator Reef Light...off Islamorada.
7 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.
$$
GMZ052>055-072>075-282030- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 429 AM EDT Sat Mar 28 2026 TODAY Northeast to east winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 3 feet at 5 seconds. A slight chance of showers. TONIGHT Northeast to east winds near 15 knots, increasing to 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 7 feet. Wave Detail: Northeast to east 5 feet at 5 seconds. A slight chance of showers and thunderstorms. SUNDAY Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 7 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. A slight chance of showers and thunderstorms. SUNDAY NIGHT Northeast to east winds near 20 knots, becoming east. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. MONDAY East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT AND TUESDAY East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers with a slight chance of thunderstorms. TUESDAY NIGHT East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A slight chance of showers. WEDNESDAY AND WEDNESDAY NIGHT East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. $$
GMZ052>055-072>075-282030- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 429 AM EDT Sat Mar 28 2026 TODAY Northeast to east winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to east 3 feet at 5 seconds. A slight chance of showers. TONIGHT Northeast to east winds near 15 knots, increasing to 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 7 feet. Wave Detail: Northeast to east 5 feet at 5 seconds. A slight chance of showers and thunderstorms. SUNDAY Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 7 feet. Wave Detail: Northeast to east 5 feet at 6 seconds. A slight chance of showers and thunderstorms. SUNDAY NIGHT Northeast to east winds near 20 knots, becoming east. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. MONDAY East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers with a slight chance of thunderstorms. MONDAY NIGHT AND TUESDAY East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers with a slight chance of thunderstorms. TUESDAY NIGHT East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A slight chance of showers. WEDNESDAY AND WEDNESDAY NIGHT East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. $$