GMZ005-170845-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
431 PM EDT Tue Jun 16 2026
.SYNOPSIS...A weak high pressure system in the central North
Atlantic will support light to gentle breezes persisting through
Wednesday across the Florida Keys coastal waters. The high
will begin to strengthen Wednesday night, supporting slightly
freshened breezes through the end of the work week. As a weak
frontal boundary approaches the Florida Peninsula, the high will
once again weaken, supporting a return to light to gentle breezes
for the weekend.
The Approximate Shoreward Edge of the Gulf Stream as of June 15...
28 NM South of Dry Tortugas Light...on Loggerhead Key.
12 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
11 NM South of Sand Key Light...off Key West.
14 NM South of Looe Key...off Big Pine Key.
13 NM Southeast of Sombrero Key Light...off Marathon.
8 NM Southeast of Alligator Reef Light...off Islamorada.
4 NM Southeast of Molasses Reef Light...off Key Largo.
3 NM East 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.
$$
GMZ033-034-170845- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 431 PM EDT Tue Jun 16 2026 TONIGHT South to southwest winds near 10 knots, becoming southeast winds and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms. WEDNESDAY Southeast to south winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast to south 1 foot at 3 seconds. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Southeast winds 5 to 10 knots, becoming southeast to south and increasing to 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: Southeast to south 2 feet at 3 seconds. A slight chance of showers and thunderstorms. THURSDAY Southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. THURSDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. FRIDAY Southeast winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. SATURDAY South winds near 5 knots, becoming variable. Seas around 1 foot. A slight chance of showers. SATURDAY NIGHT Variable winds near 5 knots, becoming southeast and increasing to 5 to 10 knots. Seas around 1 foot. SUNDAY Southeast winds near 5 knots. Seas 1 foot or less. SUNDAY NIGHT East winds near 5 knots. Seas 1 foot or less. $$
GMZ033-034-170845- 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- 431 PM EDT Tue Jun 16 2026 TONIGHT South to southwest winds near 10 knots, becoming southeast winds and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms. WEDNESDAY Southeast to south winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast to south 1 foot at 3 seconds. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Southeast winds 5 to 10 knots, becoming southeast to south and increasing to 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: Southeast to south 2 feet at 3 seconds. A slight chance of showers and thunderstorms. THURSDAY Southeast winds near 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms. THURSDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. FRIDAY Southeast winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. SATURDAY South winds near 5 knots, becoming variable. Seas around 1 foot. A slight chance of showers. SATURDAY NIGHT Variable winds near 5 knots, becoming southeast and increasing to 5 to 10 knots. Seas around 1 foot. SUNDAY Southeast winds near 5 knots. Seas 1 foot or less. SUNDAY NIGHT East winds near 5 knots. Seas 1 foot or less. $$