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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.
$$
GMZ042>044-220230- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 429 PM EDT Tue Sep 21 2021 TONIGHT Variable winds 5 to 10 knots, becoming northeast to east and increasing to near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop. Scattered showers and isolated thunderstorms. WEDNESDAY Northeast to east winds 5 to 10 knots, becoming variable and decreasing to near 5 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming smooth. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT Variable winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. THURSDAY AND THURSDAY NIGHT Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. FRIDAY Southeast winds near 5 knots. Seas 1 to 2 feet due to west swells. Seas highest west of Cosgrove Shoal. Nearshore waters smooth. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East to southeast winds near 5 knots. Seas 1 to 2 feet due to west swells. Seas highest west of Cosgrove Shoal. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SATURDAY Southeast to south winds near 5 knots, becoming variable. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SATURDAY NIGHT Variable winds near 5 knots, becoming northeast to east. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SUNDAY Northeast winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SUNDAY NIGHT Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$
GMZ042>044-220230- 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- 429 PM EDT Tue Sep 21 2021 TONIGHT Variable winds 5 to 10 knots, becoming northeast to east and increasing to near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light chop. Scattered showers and isolated thunderstorms. WEDNESDAY Northeast to east winds 5 to 10 knots, becoming variable and decreasing to near 5 knots. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming smooth. Scattered showers and isolated thunderstorms. WEDNESDAY NIGHT Variable winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. THURSDAY AND THURSDAY NIGHT Variable winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Scattered showers and isolated thunderstorms. FRIDAY Southeast winds near 5 knots. Seas 1 to 2 feet due to west swells. Seas highest west of Cosgrove Shoal. Nearshore waters smooth. Scattered showers and isolated thunderstorms. FRIDAY NIGHT East to southeast winds near 5 knots. Seas 1 to 2 feet due to west swells. Seas highest west of Cosgrove Shoal. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SATURDAY Southeast to south winds near 5 knots, becoming variable. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SATURDAY NIGHT Variable winds near 5 knots, becoming northeast to east. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SUNDAY Northeast winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. Scattered showers and isolated thunderstorms. SUNDAY NIGHT Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms. $$