GMZ005-231445-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1043 PM EDT Wed Jul 22 2026
.SYNOPSIS...An Atlantic ridge of high pressure will extend to the
Florida Peninsula for the next several days. Gentle breezes will
briefly become moderate overnight through early Thursday, then
gradually slacken to light to gentle breezes by Friday, peaking
overnight and lull during the day. Light winds are expected this
weekend. In addition, moisture will be gradually increasing
starting Thursday in association with an easterly wave moving in
from the Atlantic. This will allow for increased rain chances for
the end of the week.
The Approximate Shoreward Edge of the Gulf Stream as of July 17,
2026...
49 NM South of Dry Tortugas Light...on Loggerhead Key.
51 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
38 NM South of Sand Key Light...off Key West.
22 NM South of Looe Key...off Big Pine Key.
13 NM South 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, using data from RTOFS and NASA SPoRT SST.
$$
GMZ033-034-231445- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of America including Dry Tortugas and Rebecca Shoal Channel- 1043 PM EDT Wed Jul 22 2026 TONIGHT East to southeast winds near 10 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 3 seconds and west 2 feet at 7 seconds. A slight chance of showers and thunderstorms. THURSDAY East winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and west 2 feet at 7 seconds. A chance of showers and thunderstorms. THURSDAY NIGHT Northeast to east winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds and west 2 feet at 7 seconds. A chance of showers and thunderstorms. FRIDAY East winds near 10 knots, briefly decreasing to 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. SATURDAY Southeast to south winds 5 to 10 knots, becoming south to southwest near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot. A slight chance of showers and thunderstorms. SATURDAY NIGHT Variable winds near 5 knots. Seas around 1 foot. A slight chance of showers. SUNDAY Southwest to west winds near 5 knots, becoming west to northwest 5 to 10 knots. Seas around 1 foot. A slight chance of showers. SUNDAY NIGHT West to northwest winds 5 to 10 knots. Seas around 1 foot. A chance of thunderstorms with a slight chance of showers. MONDAY West to northwest winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT West winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. $$
GMZ033-034-231445- 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- 1043 PM EDT Wed Jul 22 2026 TONIGHT East to southeast winds near 10 knots. Seas 2 to 3 feet. Wave Detail: East to southeast 2 feet at 3 seconds and west 2 feet at 7 seconds. A slight chance of showers and thunderstorms. THURSDAY East winds near 10 knots, decreasing to 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and west 2 feet at 7 seconds. A chance of showers and thunderstorms. THURSDAY NIGHT Northeast to east winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds and west 2 feet at 7 seconds. A chance of showers and thunderstorms. FRIDAY East winds near 10 knots, briefly decreasing to 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. SATURDAY Southeast to south winds 5 to 10 knots, becoming south to southwest near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot. A slight chance of showers and thunderstorms. SATURDAY NIGHT Variable winds near 5 knots. Seas around 1 foot. A slight chance of showers. SUNDAY Southwest to west winds near 5 knots, becoming west to northwest 5 to 10 knots. Seas around 1 foot. A slight chance of showers. SUNDAY NIGHT West to northwest winds 5 to 10 knots. Seas around 1 foot. A chance of thunderstorms with a slight chance of showers. MONDAY West to northwest winds 5 to 10 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. MONDAY NIGHT West winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms. $$