GMZ005-020715-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
314 PM EDT Fri May 1 2026
.SYNOPSIS...A weak low pressure system will push across northern
Florida tonight into Saturday before strengthening off the
Southeast, supporting a short stretch of moderate southeast to
southerly breezes. Winds should slacken again later in the weekend
as the pressure gradient flattens. A weak disturbance in the Gulf
coupled with increased moisture will support elevated rain and
thunder chances for late in the weekend and into the first part of
next week. A ridge building over the Gulf and the Florida
Peninsula will support a return to dry conditions and light to
gentle east to southeasterly breezes.
The Approximate Shoreward Edge of the Gulf Stream as of April 28...
16 NM South of Dry Tortugas Light...on Loggerhead Key.
10 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
9 NM South of Sand Key Light...off Key West.
9 NM South of Looe Key...off Big Pine Key.
12 NM Southeast of Sombrero Key Light...off Marathon.
10 NM Southeast of Alligator Reef Light...off Islamorada.
6 NM Southeast of Molasses Reef Light...off Key Largo.
6 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.
$$
GMZ052>055-072>075-020715-
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-
314 PM EDT Fri May 1 2026
TONIGHT
Southeast winds 5 to 10 knots, increasing to near 15
knots. Seas building to 2 to 3 feet. Wave Detail: East to
southeast 2 feet at 4 seconds.
SATURDAY
South winds 10 to 15 knots, decreasing to 5 to 10
knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Wave Detail:
Southeast to south 2 feet at 4 seconds.
SATURDAY NIGHT
Southeast winds 5 to 10 knots, becoming south
to southwest. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms. Wave Detail: Southwest to west 1 foot at 3 seconds
and east to southeast 1 foot at 4 seconds.
SUNDAY
Southwest to west winds 5 to 10 knots, becoming
northwest near 10 knots. Seas 1 to 2 feet, except building to 2
to 3 feet west of Rebecca Shoal. A chance of showers and
thunderstorms.
SUNDAY NIGHT
North to northeast winds 10 to 15 knots,
decreasing to near 10 knots. Seas 2 to 4 feet, occasionally to 5
feet. A chance of showers and thunderstorms.
MONDAY
Northeast winds near 10 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
MONDAY NIGHT AND TUESDAY
East winds 5 to 10 knots. Seas 2 to 3
feet. A slight chance of showers and thunderstorms.
TUESDAY NIGHT
East to southeast winds near 10 knots. Seas 2 to
3 feet. A slight chance of showers.
WEDNESDAY
East to southeast winds 5 to 10 knots. Seas around 2
feet.
WEDNESDAY NIGHT
East to southeast winds near 10 knots. Seas 2
to 3 feet.
$$
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