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Hazardous marine condition(s):
Small Craft Advisory
GMZ005-181030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1023 PM EST Fri Jan 17 2020
.SYNOPSIS...Strong to near-gale breezes will continue through
Saturday morning as very strong surface high pressure moves
southeast off the U.S. Mid-Atlantic coast. High pressure will
reach Bermuda late Saturday and then extend a ridge westward to
Central Florida on Saturday night. The ridge axis will settle
south to the Keys by late Sunday. A strong cold front on Monday
will usher in strong northerly breezes which will last through
Tuesday and Wednesday.
The Approximate Shoreward Edge of the Gulf Stream as of
January 16...
7 NM South of Dry Tortugas Light...on Loggerhead Key.
1 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
1 NM South of Sand Key Light...off Key West.
Less than 1 NM South of Looe Key...off Big Pine Key.
1 NM South of Sombrero Key Light...off Marathon.
2 NM Southeast of Alligator Reef Light...off Islamorada.
2 NM Southeast of Molasses Reef Light...off Key Largo.
2 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
$$
GMZ052>055-072>075-181030- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1023 PM EST Fri Jan 17 2020 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT East winds 25 to 30 knots, with occasional gusts to 35 knots. Seas building to 8 to 12 feet. Scattered showers. SATURDAY East winds 25 to 30 knots, decreasing to 20 to 25 knots. Seas 10 to 12 feet, subsiding to 7 to 11 feet in the afternoon. Scattered showers. SATURDAY NIGHT East to southeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 5 to 9 feet, subsiding to 5 to 7 feet after midnight. Isolated showers. SUNDAY East to southeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 4 to 6 feet, subsiding to 3 to 4 feet. Isolated showers. SUNDAY NIGHT East to southeast winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. MONDAY Northeast to east winds 5 to 10 knots becoming north 10 to 15 knots in the afternoon. Seas 2 to 3 feet, building to 3 to 5 feet. Scattered showers. MONDAY NIGHT North winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 5 to 10 feet, seas highest south of the Dry Tortugas. Scattered showers. TUESDAY North winds 20 to 25 knots. Seas 6 to 10 feet, seas highest south of the Dry Tortugas. Isolated showers. TUESDAY NIGHT North to northeast winds near 20 knots, decreasing to near 15 knots. Seas 5 to 8 feet, subsiding to 4 to 7 feet. WEDNESDAY Northeast winds 10 to 15 knots. Seas 3 to 6 feet. Isolated showers. WEDNESDAY NIGHT East winds 15 to 20 knots. Seas 4 to 7 feet. Isolated showers. $$
GMZ052>055-072>075-181030- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1023 PM EST Fri Jan 17 2020 SMALL CRAFT ADVISORY IN EFFECT OVERNIGHT East winds 25 to 30 knots, with occasional gusts to 35 knots. Seas building to 8 to 12 feet. Scattered showers. SATURDAY East winds 25 to 30 knots, decreasing to 20 to 25 knots. Seas 10 to 12 feet, subsiding to 7 to 11 feet in the afternoon. Scattered showers. SATURDAY NIGHT East to southeast winds near 20 knots, decreasing to 15 to 20 knots. Seas 5 to 9 feet, subsiding to 5 to 7 feet after midnight. Isolated showers. SUNDAY East to southeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 4 to 6 feet, subsiding to 3 to 4 feet. Isolated showers. SUNDAY NIGHT East to southeast winds 10 to 15 knots, decreasing to 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. MONDAY Northeast to east winds 5 to 10 knots becoming north 10 to 15 knots in the afternoon. Seas 2 to 3 feet, building to 3 to 5 feet. Scattered showers. MONDAY NIGHT North winds 15 to 20 knots, increasing to 20 to 25 knots. Seas 5 to 10 feet, seas highest south of the Dry Tortugas. Scattered showers. TUESDAY North winds 20 to 25 knots. Seas 6 to 10 feet, seas highest south of the Dry Tortugas. Isolated showers. TUESDAY NIGHT North to northeast winds near 20 knots, decreasing to near 15 knots. Seas 5 to 8 feet, subsiding to 4 to 7 feet. WEDNESDAY Northeast winds 10 to 15 knots. Seas 3 to 6 feet. Isolated showers. WEDNESDAY NIGHT East winds 15 to 20 knots. Seas 4 to 7 feet. Isolated showers. $$