GMZ005-290845-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
431 PM EDT Tue Jul 28 2026
.SYNOPSIS...Troughing just off the Eastern Seaboard will continue
to reach southwestward across the far southeast for the next day
and be reinforced by another shortwave. This will result in a
broad confluence zone remaining draped across northern
Florida/Georgia for much of this week. Generally light to gentle
breezes will continue out of the southwest to west, but may
variable at times. Breezes will become gentle to moderate towards
mid week before slackening back to light to gentle by late week.
The Approximate Shoreward Edge of the Gulf Stream as of
July 26, 2026...
40 NM South of Dry Tortugas Light...on Loggerhead Key.
49 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
44 NM South of Sand Key Light...off Key West.
28 NM South of Looe Key...off Big Pine Key.
4 NM South of Sombrero Key Light...off Marathon.
3 NM Southeast of Alligator Reef Light...off Islamorada.
1 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.
$$
GMZ043-044-290845- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 431 PM EDT Tue Jul 28 2026 TONIGHT Southwest to west winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. WEDNESDAY Southwest to west winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Southwest to west winds near 10 knots, becoming southwest and decreasing to near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light chop, becoming smooth. THURSDAY Southwest winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. A slight chance of showers and thunderstorms. THURSDAY NIGHT West to northwest winds near 5 knots, becoming variable after midnight. Seas around 1 foot. Nearshore waters smooth. FRIDAY Variable winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. A slight chance of showers and thunderstorms. FRIDAY NIGHT North to northeast winds near 5 knots, becoming east to southeast after midnight. Seas around 1 foot. Nearshore waters smooth. SATURDAY Southeast winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. SATURDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. SUNDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. SUNDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. A slight chance of showers. $$
GMZ043-044-290845- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 431 PM EDT Tue Jul 28 2026 TONIGHT Southwest to west winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. WEDNESDAY Southwest to west winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Southwest to west winds near 10 knots, becoming southwest and decreasing to near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light chop, becoming smooth. THURSDAY Southwest winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. A slight chance of showers and thunderstorms. THURSDAY NIGHT West to northwest winds near 5 knots, becoming variable after midnight. Seas around 1 foot. Nearshore waters smooth. FRIDAY Variable winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. A slight chance of showers and thunderstorms. FRIDAY NIGHT North to northeast winds near 5 knots, becoming east to southeast after midnight. Seas around 1 foot. Nearshore waters smooth. SATURDAY Southeast winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. SATURDAY NIGHT East winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. SUNDAY East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. SUNDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. A slight chance of showers. $$