PDA Weather/Marine Page URL: mobile.weather.gov
GMZ005-200330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
424 PM EST Tue Jan 19 2021
.SYNOPSIS...A strong high pressure center over far northern
Florida will elongate into an east-west ridge tonight. The ridge
will settle slowly south down the Florida Peninsula on Wednesday
and Thursday. The ridge will reach South Florida on Friday before
dissipating on Saturday. A new high center will drop southeast off
the Carolina coast on Sunday, bringing a freshening northeast
breeze on Sunday which will then turn easterly on Sunday night.
The Approximate Shoreward Edge of the Gulf Stream as of
January 19...
15 NM South of Dry Tortugas Light...on Loggerhead Key.
6 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
5 NM South of Sand Key Light...off Key West.
6 NM South of Looe Key...off Big Pine Key.
7 NM South of Sombrero Key Light...off Marathon.
4 NM Southeast of Alligator Reef Light...off Islamorada.
2 NM Southeast of Molasses Reef Light...off Key Largo.
5 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
$$
GMZ032-035-200330- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 424 PM EST Tue Jan 19 2021 SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT Northeast to east winds 15 to 20 knots, decreasing to near 15 knots after midnight. Seas 2 to 3 feet. Nearshore waters choppy, becoming a moderate chop. WEDNESDAY Northeast winds near 15 knots, becoming north to northeast and decreasing to 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. WEDNESDAY NIGHT Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. THURSDAY Northeast winds 10 to 15 knots, becoming east and decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light to moderate chop, becoming smooth to a light chop. THURSDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. FRIDAY Southeast winds 5 to 10 knots, becoming south. Seas 1 foot or less. Nearshore waters smooth to a light chop. FRIDAY NIGHT Variable winds near 5 knots, becoming northeast after midnight. Seas 1 foot or less. Nearshore waters smooth. SATURDAY Northeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. SATURDAY NIGHT Northeast winds 5 to 10 knots, increasing to near 10 knots after midnight. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. SUNDAY Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. SUNDAY NIGHT East winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, building to 1 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers. $$
GMZ032-035-200330- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- 424 PM EST Tue Jan 19 2021 SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT Northeast to east winds 15 to 20 knots, decreasing to near 15 knots after midnight. Seas 2 to 3 feet. Nearshore waters choppy, becoming a moderate chop. WEDNESDAY Northeast winds near 15 knots, becoming north to northeast and decreasing to 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop, becoming a light to moderate chop. WEDNESDAY NIGHT Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. THURSDAY Northeast winds 10 to 15 knots, becoming east and decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light to moderate chop, becoming smooth to a light chop. THURSDAY NIGHT East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. FRIDAY Southeast winds 5 to 10 knots, becoming south. Seas 1 foot or less. Nearshore waters smooth to a light chop. FRIDAY NIGHT Variable winds near 5 knots, becoming northeast after midnight. Seas 1 foot or less. Nearshore waters smooth. SATURDAY Northeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. SATURDAY NIGHT Northeast winds 5 to 10 knots, increasing to near 10 knots after midnight. Seas around 1 foot. Nearshore waters smooth to a light chop, becoming a light chop. SUNDAY Northeast to east winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. SUNDAY NIGHT East winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet, building to 1 to 3 feet. Nearshore waters a light to moderate chop, becoming a moderate chop. Isolated showers. $$