Hazardous marine condition(s):
Short Term Forecast
GMZ005-191445-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1036 PM EDT Fri Jul 18 2025
.SYNOPSIS...A strong area of high pressure will continue to build
westward across the North Atlantic towards the Florida Peninsula,
supporting freshening east to southeast breezes over the next
several days. As a second, weak area of high pressure builds over
the eastern Gulf for the second half of the weekend through early
next week, east to southeast breezes will slacken, becoming light
to gentle.
The Approximate Shoreward Edge of the Gulf Stream as of July 15...
18 NM South of Dry Tortugas Light...on Loggerhead Key.
3 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
1 NM South of Sand Key Light...off Key West.
4 NM South of Looe Key...off Big Pine Key.
4 NM Southeast of Sombrero Key Light...off Marathon.
10 NM Southeast of Alligator Reef Light...off Islamorada.
6 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.
$$
GMZ033-034-191445- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1036 PM EDT Fri Jul 18 2025 OVERNIGHT East winds near 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers and isolated thunderstorms. SATURDAY East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers and isolated thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. Isolated showers and thunderstorms. SUNDAY East winds near 10 knots, becoming northeast to east and decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Isolated showers and thunderstorms. SUNDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. MONDAY Northeast to east winds 5 to 10 knots. Seas around 1 foot. Isolated showers and thunderstorms. MONDAY NIGHT THROUGH TUESDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. WEDNESDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. $$
GMZ033-034-191445- 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- 1036 PM EDT Fri Jul 18 2025 OVERNIGHT East winds near 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers and isolated thunderstorms. SATURDAY East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers and isolated thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. Isolated showers and thunderstorms. SUNDAY East winds near 10 knots, becoming northeast to east and decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Isolated showers and thunderstorms. SUNDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. MONDAY Northeast to east winds 5 to 10 knots. Seas around 1 foot. Isolated showers and thunderstorms. MONDAY NIGHT THROUGH TUESDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. WEDNESDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. $$