Hazardous marine condition(s):
Short Term Forecast
GMZ005-161430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1023 PM EDT Tue Jul 15 2025
.SYNOPSIS...As a weak low pressure shifts off to the west and
into the Gulf, high pressure will build in behind it strengthening
the pressure gradient. This will lead to gentle to moderate
breezes tonight. High pressure remains anchored over the central
Atlantic with its western periphery extending into the Keys
through the weekend with gentle to moderate east to southeast
breezes continuing, occasionally becoming moderate to fresh.
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.
$$
GMZ031-161430- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1023 PM EDT Tue Jul 15 2025 OVERNIGHT Southeast to south winds 5 to 10 knots, becoming southeast 10 to 15 knots. Bay waters smooth to a light chop, becoming a light to moderate chop. Numerous showers and scattered thunderstorms. WEDNESDAY Southeast winds near 15 knots, decreasing to near 10 knots in the afternoon. Bay waters a moderate chop, becoming a light chop. Widespread showers and scattered thunderstorms. WEDNESDAY NIGHT East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. THURSDAY East to southeast winds near 15 knots. Bay waters a moderate chop. Numerous showers and isolated thunderstorms. THURSDAY NIGHT East to southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers and thunderstorms. FRIDAY East to southeast winds near 15 knots. Bay waters a moderate chop. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers and thunderstorms. SATURDAY East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers and thunderstorms. SUNDAY East winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms. SUNDAY NIGHT East winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$
GMZ031-161430- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 1023 PM EDT Tue Jul 15 2025 OVERNIGHT Southeast to south winds 5 to 10 knots, becoming southeast 10 to 15 knots. Bay waters smooth to a light chop, becoming a light to moderate chop. Numerous showers and scattered thunderstorms. WEDNESDAY Southeast winds near 15 knots, decreasing to near 10 knots in the afternoon. Bay waters a moderate chop, becoming a light chop. Widespread showers and scattered thunderstorms. WEDNESDAY NIGHT East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. THURSDAY East to southeast winds near 15 knots. Bay waters a moderate chop. Numerous showers and isolated thunderstorms. THURSDAY NIGHT East to southeast winds near 15 knots. Bay waters a moderate chop. Isolated showers and thunderstorms. FRIDAY East to southeast winds near 15 knots. Bay waters a moderate chop. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers and thunderstorms. SATURDAY East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms. SATURDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers and thunderstorms. SUNDAY East winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms. SUNDAY NIGHT East winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$