Hazardous marine condition(s):
Short Term Forecast
GMZ005-010230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1025 AM EDT Sun Aug 31 2025
.SYNOPSIS...Somewhat unusual gentle westerly breezes prevail
across the Florida Keys as our area is situated between ridging in
the Caribbean and troughing along the Eastern Seaboard. This
pattern will remain relatively unchanged throughout the forecast
as the trough lazes over the east coast of CONUS while a surface
low develops along the Georgia coastline. This low is progged to
meander off into the western North Atlantic and rest on the west
edge of the Bermuda High promoting an extension of the already
established pattern in the Keys.
The Approximate Shoreward Edge of the Gulf Stream as of August 21...
20 NM South of Dry Tortugas Light...on Loggerhead Key.
9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
9 NM South of Sand Key Light...off Key West.
13 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
17 NM Southeast of Alligator Reef Light...off Islamorada.
13 NM Southeast of Molasses Reef Light...off Key Largo.
5 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.
$$
GMZ042>044-010230- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1025 AM EDT Sun Aug 31 2025 THIS AFTERNOON Southwest to west winds near 10 knots, becoming west. Seas around 1 foot. Nearshore waters a light chop. Winds and seas higher in and around scattered showers and thunderstorms. TONIGHT West to northwest winds near 10 knots, decreasing to 5 to 10 knots. Seas around 1 foot. Nearshore waters a light chop, becoming smooth to a light chop. Scattered showers and thunderstorms. MONDAY West winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Scattered showers and thunderstorms. MONDAY NIGHT West to northwest winds decreasing to 5 to 10 knots. Seas subsiding to 1 foot or less. Nearshore waters becoming smooth to a light chop. Scattered showers and thunderstorms. TUESDAY West to northwest winds 5 to 10 knots, becoming southwest to west in the afternoon. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and thunderstorms. TUESDAY NIGHT West winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and thunderstorms. WEDNESDAY Southwest to west winds near 10 knots, increasing to 10 to 15 knots. Seas building to 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. Scattered showers and thunderstorms. WEDNESDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. THURSDAY Southwest to west winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and thunderstorms. THURSDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. $$
GMZ042>044-010230- Hawk Channel from Ocean Reef to Craig Key out to the reef- 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- 1025 AM EDT Sun Aug 31 2025 THIS AFTERNOON Southwest to west winds near 10 knots, becoming west. Seas around 1 foot. Nearshore waters a light chop. Winds and seas higher in and around scattered showers and thunderstorms. TONIGHT West to northwest winds near 10 knots, decreasing to 5 to 10 knots. Seas around 1 foot. Nearshore waters a light chop, becoming smooth to a light chop. Scattered showers and thunderstorms. MONDAY West winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. Scattered showers and thunderstorms. MONDAY NIGHT West to northwest winds decreasing to 5 to 10 knots. Seas subsiding to 1 foot or less. Nearshore waters becoming smooth to a light chop. Scattered showers and thunderstorms. TUESDAY West to northwest winds 5 to 10 knots, becoming southwest to west in the afternoon. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and thunderstorms. TUESDAY NIGHT West winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and thunderstorms. WEDNESDAY Southwest to west winds near 10 knots, increasing to 10 to 15 knots. Seas building to 1 to 2 feet. Nearshore waters a light chop, becoming a light to moderate chop. Scattered showers and thunderstorms. WEDNESDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. THURSDAY Southwest to west winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and thunderstorms. THURSDAY NIGHT Southwest to west winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and thunderstorms. $$