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Hazardous marine condition(s):
Short Term Forecast
Hazardous Weather Outlook
GMZ005-220230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
429 PM EDT Tue Sep 21 2021
.SYNOPSIS...High pressure will weaken over the southeastern Gulf
of Mexico late tonight and tomorrow, as a mid-latitude trough
pushes in over the east before stalling over north-central
Florida. A weak pressure pattern will become established across
the Florida Keys coastal waters Wednesday night through much of
the weekend. Gentle easterly breezes tonight through Wednesday
morning will become light and variable across the marine zones by
Wednesday evening. Rain and thunder chances will remain elevated
through the end of the work week, with slow reductions in rain
chances over the weekend and into early next week.
The Approximate Shoreward Edge of the Gulf Stream as of September
21, 2021...
49 NM South of Dry Tortugas Light...on Loggerhead Key.
19 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
22 NM South of Sand Key Light...off Key West.
24 NM South of Looe Key...off Big Pine Key.
21 NM South of Sombrero Key Light...off Marathon.
14 NM Southeast of Alligator Reef Light...off Islamorada.
11 NM Southeast of Molasses Reef Light...off Key Largo.
6 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
$$
GMZ031-220230- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 429 PM EDT Tue Sep 21 2021 TONIGHT Variable winds 5 to 10 knots, becoming northeast to east. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. WEDNESDAY Northeast to east 5 to 10 knots, becoming variable and decreasing to near 5 knots. Bay waters smooth to a light chop, becoming smooth. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT THROUGH THURSDAY NIGHT Variable winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. FRIDAY Southeast winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East to southeast winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. SATURDAY Southeast to south winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. SATURDAY NIGHT Southeast winds near 5 knots, becoming northeast to east. Bay waters smooth. Scattered showers and isolated thunderstorms. SUNDAY Northeast to east winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. SUNDAY NIGHT Northeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$
GMZ031-220230- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 429 PM EDT Tue Sep 21 2021 TONIGHT Variable winds 5 to 10 knots, becoming northeast to east. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. WEDNESDAY Northeast to east 5 to 10 knots, becoming variable and decreasing to near 5 knots. Bay waters smooth to a light chop, becoming smooth. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT THROUGH THURSDAY NIGHT Variable winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. FRIDAY Southeast winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East to southeast winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. SATURDAY Southeast to south winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. SATURDAY NIGHT Southeast winds near 5 knots, becoming northeast to east. Bay waters smooth. Scattered showers and isolated thunderstorms. SUNDAY Northeast to east winds near 5 knots. Bay waters smooth. Scattered showers and isolated thunderstorms. SUNDAY NIGHT Northeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$