Hazardous marine condition(s):
Short Term Forecast
GMZ005-052030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
419 AM EDT Wed Aug 5 2026
.SYNOPSIS...Gentle easterlies early this morning will becoming
moderate today through late week as nearby Atlantic ridging
strengthens and lifts northward towards North Florida. In
addition, rain chances will remain elevated through the end of the
week as pockets of deep moisture and slightly cyclonic curvature
push through the region at times. Higher winds and seas should be
expected in the vicinity of thunderstorm activity.
The Approximate Shoreward Edge of the Gulf Stream as of
July 31, 2026...
31 NM South of Dry Tortugas Light...on Loggerhead Key.
24 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
25 NM South of Sand Key Light...off Key West.
2 NM South of Looe Key...off Big Pine Key.
1 NM South of Sombrero Key Light...off Marathon.
5 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, using data from RTOFS and NASA SPoRT SST.
$$
GMZ031-052030- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 419 AM EDT Wed Aug 5 2026 TODAY Southeast winds near 10 knots, becoming east. Bay waters a light chop. A chance of showers and thunderstorms. TONIGHT East winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A chance of showers and thunderstorms. THURSDAY East winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms. THURSDAY NIGHT Northeast to east winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms. FRIDAY East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. SATURDAY East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. SUNDAY East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. SUNDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. $$
GMZ031-052030- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 419 AM EDT Wed Aug 5 2026 TODAY Southeast winds near 10 knots, becoming east. Bay waters a light chop. A chance of showers and thunderstorms. TONIGHT East winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A chance of showers and thunderstorms. THURSDAY East winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms. THURSDAY NIGHT Northeast to east winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms. FRIDAY East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. SATURDAY East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. SUNDAY East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers and thunderstorms. SUNDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. $$