Hazardous marine condition(s):
Short Term Forecast
GMZ005-042030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
426 AM EDT Thu Jun 4 2026
.SYNOPSIS...The combination of an expansive eastern United States
surface high, a surface trough in the central Gulf will keep
breezes generally moderate over the next couple of days.
Uncertainty remains high, and periods of higher breezes will be
possible, especially due the continued above normal shower and
thunderstorm activity expected across the area. Rain chances
should trend downwards towards normal this weekend as drier air
moves in and breezes trend slightly downward.
The Approximate Shoreward Edge of the Gulf Stream as of May 30...
35 NM South of Dry Tortugas Light...on Loggerhead Key.
11 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
10 NM South of Sand Key Light..modestly.off Key West.
7 NM South of Looe Key...off Big Pine Key.
7 NM Southeast of Sombrero Key Light...off Marathon.
6 NM Southeast of Alligator Reef Light...off Islamorada.
2 NM Southeast of Molasses Reef Light...off Key Largo.
1 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.
$$
GMZ033-034-042030- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 426 AM EDT Thu Jun 4 2026 TODAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. Showers with a chance of thunderstorms. TONIGHT East winds near 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3 feet at 4 seconds. Showers likely with a chance of thunderstorms. FRIDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. FRIDAY NIGHT East winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms. SATURDAY East winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY East winds 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. SUNDAY NIGHT East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. MONDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. $$
GMZ033-034-042030- 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- 426 AM EDT Thu Jun 4 2026 TODAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. Showers with a chance of thunderstorms. TONIGHT East winds near 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3 feet at 4 seconds. Showers likely with a chance of thunderstorms. FRIDAY East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. FRIDAY NIGHT East winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms. SATURDAY East winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms. SUNDAY East winds 10 to 15 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. SUNDAY NIGHT East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms. MONDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. $$