GMZ005-040245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1037 AM EDT Fri Apr 3 2026
.SYNOPSIS...Expansive and strong high pressure across the central
North Atlantic will continue to dominate the pattern through the
first the weekend. This will continue to promote moderate to
fresh easterly breezes, occasionally strong in the Florida
Straits. Breezes will tend to peak overnight into the morning
hours, and lull in the afternoon. This high will begin to retreat
to the east as we head into the start of next week, allowing for
breezes to slacken.
The Approximate Shoreward Edge of the Gulf Stream as of March 28...
26 NM South of Dry Tortugas Light...on Loggerhead Key.
38 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
36 NM South of Sand Key Light...off Key West.
24 NM South of Looe Key...off Big Pine Key.
20 NM Southeast of Sombrero Key Light...off Marathon.
15 NM Southeast of Alligator Reef Light...off Islamorada.
7 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 and RTOFS.
$$
GMZ033-034-040245-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
1037 AM EDT Fri Apr 3 2026
SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
East winds near 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds.
TONIGHT
East winds near 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds.
SATURDAY
East winds near 20 knots, decreasing to 15 to 20
knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 5 feet at 5 seconds. A slight chance of showers.
SATURDAY NIGHT
East winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers.
SUNDAY
East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 2 to 3 feet. A slight chance of showers.
SUNDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas 1 to
2 feet. A slight chance of showers.
MONDAY
Northeast winds near 10 knots. Seas around 1 foot. A
slight chance of showers.
MONDAY NIGHT
Northeast winds 5 to 10 knots. Seas around
1 foot. A slight chance of showers.
TUESDAY
Northeast to east winds near 10 knots, becoming north
to northeast and increasing to 10 to 15 knots in the afternoon.
Seas 1 to 2 feet. A chance of showers with a slight chance of
thunderstorms.
TUESDAY NIGHT
Northeast winds 15 to 20 knots, becoming northeast
to east and increasing to 20 to 25 knots. Seas 2 to 3 feet,
building to 4 to 6 feet, occasionally to 7 feet. A chance of
showers with a slight chance of thunderstorms.
$$
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