967
FZUS52 KKEY 210827
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
427 AM EDT Tue May 21 2024

Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef
to south of Dry Tortugas, and the extreme southeastern Gulf of
Mexico, including The Florida Keys National Marine Sanctuary

Seas are given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

Wave Detail will include details about the period and direction
of origin for the highest energy waves. Long-period swells coming
from a different direction than the wind would be included in the
Wave Detail.

GMZ005-211430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
427 AM EDT Tue May 21 2024

.SYNOPSIS...Today through Wednesday, breezes will gradually shift
to the east as high pressure in the western North Atlantic builds
back in across the region. Gentle east to southeast breezes will
resume Friday through Saturday.

The Approximate Shoreward Edge of the Gulf Stream as of May 15,
2024...

49 NM South of Dry Tortugas Light...on Loggerhead Key.
32 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
24 NM South of Sand Key Light...off Key West.
27 NM South of Looe Key...off Big Pine Key.
29 NM South of Sombrero Key Light...off Marathon.
 8 NM Southeast of Alligator Reef Light...off Islamorada.
 3 NM Southeast of Molasses Reef Light...off Key Largo.

Gulf Stream Information Courtesy of the National Weather Service in
Key West.

$$

GMZ031-211430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
427 AM EDT Tue May 21 2024

.TODAY...North winds 5 to 10 knots, becoming southeast near 5
knots. Bay waters smooth to a light chop, becoming smooth.
Scattered showers and isolated thunderstorms.
.TONIGHT...Northeast to east winds near 5 knots. Bay waters
smooth. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East winds near 5 knots, increasing to near 10 knots.
Bay waters smooth, becoming a light chop. Scattered showers and
isolated thunderstorms.
.WEDNESDAY NIGHT...East winds near 10 knots, decreasing to 5 to
10 knots. Bay waters a light chop, becoming smooth to a light
chop. Scattered showers and isolated thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...East winds near 10 knots, decreasing to 5 to 10
knots. Bay waters a light chop, becoming smooth to a light chop.
Isolated showers and thunderstorms.
.FRIDAY AND FRIDAY NIGHT...East to southeast winds 5 to 10 knots.
Bay waters smooth to a light chop. Isolated showers and
thunderstorms.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay
waters smooth to a light chop. Isolated showers and
thunderstorms.

$$

GMZ032-035-211430-
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-
427 AM EDT Tue May 21 2024

.TODAY...North to northeast winds 5 to 10 knots, becoming
variable near 5 knots. Seas 1 foot or less. Nearshore waters
smooth to a light chop, becoming smooth. Isolated showers and
thunderstorms.
.TONIGHT...Light and variable winds, becoming east near 5 knots.
Seas 1 foot or less. Nearshore waters smooth. Scattered showers
and isolated thunderstorms.
.WEDNESDAY...East to southeast winds 5 to 10 knots. Seas 1 foot
or less. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop. Scattered showers
and isolated thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds near 10 knots,
decreasing to 5 to 10 knots. Seas around 1 foot. Nearshore waters
a light chop, becoming smooth to a light chop. Isolated showers
and thunderstorms.
.FRIDAY THROUGH SATURDAY NIGHT...East to southeast winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop. Isolated showers and thunderstorms.

$$

GMZ042>044-211430-
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-
427 AM EDT Tue May 21 2024

.TODAY...North to northeast winds 5 to 10 knots, becoming variable
near 5 knots. Seas 1 foot or less. Nearshore waters smooth to a
light chop, becoming smooth. Isolated showers and thunderstorms.
.TONIGHT...Light and variable winds, becoming east near 5 knots.
Seas 1 foot or less. Nearshore waters smooth. Scattered showers
and isolated thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots, increasing to near 10 knots.
Seas 1 foot or less, building to around 1 foot. Nearshore waters
smooth to a light chop, becoming a light chop. Isolated showers
and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots,
decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a
light chop, becoming smooth to a light chop. Scattered showers
and isolated thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds near 10 knots. Seas
1 to 2 feet. Nearshore waters a light chop. Isolated showers and
thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas around 1 foot. Nearshore
waters smooth to a light chop. Isolated showers and
thunderstorms.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East to southeast winds 5
to 10 knots. Seas around 1 foot. Nearshore waters smooth to a
light chop. Isolated showers and thunderstorms.

$$

GMZ052>055-072>075-211430-
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-
427 AM EDT Tue May 21 2024

.TODAY...North to northeast winds 5 to 10 knots, becoming light
and variable. Seas 1 to 2 feet, subsiding to around 1 foot. Wave
Detail: Northwest to north 1 foot at 2 seconds. Scattered showers
and isolated thunderstorms.
.TONIGHT...Light and variable winds, becoming east 5 to 10 knots.
Seas around 1 foot, building to 1 to 2 feet. Scattered showers
and isolated thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots, increasing to near 10 knots.
Seas 1 to 2 feet. Wave Detail: Northeast to east 2 feet at 3
seconds. Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots,
decreasing to 5 to 10 knots. Seas around 2 feet. Scattered
showers and isolated thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.THURSDAY NIGHT...East winds near 10 knots. Seas around 2 feet.
Isolated showers and thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas around
2 feet. Isolated showers and thunderstorms.
.SATURDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers and thunderstorms.
.SATURDAY NIGHT...East to southeast winds increasing to 10 to 15
knots. Seas 1 to 2 feet, building to 1 to 3 feet. Isolated
showers and thunderstorms.

$$

GMZ033-034-211430-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
427 AM EDT Tue May 21 2024

.TODAY...North to northeast winds 5 to 10 knots, becoming light
and variable. Seas around 1 foot. Wave Detail: Northwest to north
1 foot at 4 seconds. Isolated showers and thunderstorms.
.TONIGHT...North to northeast winds near 5 knots, becoming east.
Seas around 1 foot. Wave Detail: West to northwest 1 foot at 5
seconds and northwest to north 1 foot at 4 seconds. Isolated
showers and thunderstorms.
.WEDNESDAY...East to southeast winds 5 to 10 knots. Seas around
1 foot. Wave Detail: North 1 foot at 3 seconds. Isolated showers
and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet. Scattered showers
and isolated thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Isolated showers and thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas around 1 foot. Isolated showers
and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots, becoming around
5 knots in the afternoon. Seas around 1 foot. Isolated showers
and thunderstorms.
.FRIDAY NIGHT AND SATURDAY...Southeast winds 5 to 10 knots. Seas
around 1 foot. Isolated showers and thunderstorms.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Seas 1
to 2 feet. Isolated showers and thunderstorms.

$$

NB