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000
FZUS52 KKEY 202030
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
430 PM EDT Sat Apr 20 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.

GMZ005-210230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
430 PM EDT Sat Apr 20 2024

.SYNOPSIS...High pressure over the western North Atlantic will
maintain gentle to occasionally moderate southeast breezes across
the Florida Keys coastal waters through the weekend. Gentle
southerly breezes on Monday will become moderate from the north
Monday night, as a weak frontal boundary slides through South
Florida and the Keys. High pressure over the Southeastern states
will bring moderate easterly breezes back to the Keys waters by
the middle of next week.

The Approximate Shoreward Edge of the Gulf Stream is currently
unavailable.

$$

GMZ031-210230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
430 PM EDT Sat Apr 20 2024

.TONIGHT...Southeast winds near 10 knots, increasing to 10 to 15
knots. Bay waters a light chop, becoming a light to moderate chop.
.SUNDAY...Southeast winds 10 to 15 knots, decreasing to near 10
knots in the afternoon. Bay waters a light to moderate chop,
becoming a light chop.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop.
.MONDAY...Southeast to south winds 5 to 10 knots, becoming
southwest near 10 knots in the afternoon. Bay waters smooth to a
light chop, becoming a light chop.
.MONDAY NIGHT...Northwest winds 10 to 15 knots, becoming north
to northeast after midnight. Bay waters a light to moderate chop.
.TUESDAY...Northeast winds 10 to 15 knots, becoming northeast to
east near 10 knots in the afternoon. Bay waters a light to
moderate chop, becoming a light chop. Isolated showers.
.TUESDAY NIGHT...Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.
.WEDNESDAY THROUGH THURSDAY...East winds near 15 knots. Bay
waters a moderate chop. Isolated showers.
.THURSDAY NIGHT...East winds near 15 knots. Bay waters a moderate
chop.

$$

GMZ032-035-210230-
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-
430 PM EDT Sat Apr 20 2024

.TONIGHT...East to southeast winds near 10 knots, becoming
southeast 10 to 15 knots after midnight. Seas around 1 foot,
except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a
light chop, becoming a light to moderate chop.
.SUNDAY...Southeast winds near 15 knots, decreasing to near 10
knots in the afternoon. Seas 1 to 2 feet, except 1 to 3 feet west
of the Marquesas Keys. Seas subsiding to around 1 foot. Nearshore
waters a moderate chop, becoming a light chop.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop.
.MONDAY...Southeast to south winds near 5 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas 1 foot or
less. Nearshore waters smooth, becoming smooth to a light chop.
.MONDAY NIGHT...Northwest winds increasing to near 15 knots,
becoming north to northeast after midnight. Seas 1 to 3 feet,
except 2 to 3 feet west of the Marquesas Keys. Nearshore waters
becoming a moderate chop.
.TUESDAY...Northeast winds near 15 knots, becoming northeast to
east near 10 knots in the afternoon. Seas 1 to 3 feet, subsiding
to 1 to 2 feet. Nearshore waters a moderate chop, becoming a
light chop. Isolated showers.
.TUESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.WEDNESDAY THROUGH THURSDAY...East winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop. Isolated showers.
.THURSDAY NIGHT...East winds near 15 knots. Seas 1 to 3 feet.
Nearshore waters a moderate chop.

$$

GMZ042>044-210230-
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-
430 PM EDT Sat Apr 20 2024

.TONIGHT...East to southeast winds 10 to 15 knots, becoming
southeast after midnight. Seas around 2 feet. Nearshore waters a
light to moderate chop.
.SUNDAY...Southeast winds near 15 knots, decreasing to near
10 knots in the afternoon. Seas 2 to 3 feet, subsiding to 1 to 2
feet. Nearshore waters a moderate chop, becoming a light chop.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet,
subsiding to around 1 foot. Nearshore waters smooth to a light
chop.
.MONDAY...Southeast to south winds near 5 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas around 1
foot. Nearshore waters smooth, becoming smooth to a light chop.
.MONDAY NIGHT...Northwest winds 10 to 15 knots, becoming north to
northeast near 15 knots after midnight. Seas 1 to 2 feet, except
building to 2 to 3 feet west of Cosgrove Shoal Light. Nearshore
waters a light to moderate chop, becoming a moderate chop.
.TUESDAY...Northeast winds near 15 knots, becoming northeast to
east near 10 knots in the afternoon. Seas 1 to 2 feet. West of
Cosgrove Shoal Light, seas 2 to 3 feet early. Nearshore waters a
moderate chop, becoming a light chop. Isolated showers.
.TUESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
1 to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.WEDNESDAY THROUGH THURSDAY...East winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop. Isolated showers.
.THURSDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop.

$$

GMZ052>055-072>075-210230-
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-
430 PM EDT Sat Apr 20 2024

.TONIGHT...East to southeast winds 10 to 15 knots, becoming
southeast near 15 knots after midnight. Seas 2 to 3 feet, building
to 3 to 4 feet.
.SUNDAY...Southeast winds near 15 knots, becoming east to
southeast near 10 knots. Seas 3 to 4 feet, subsiding to 2 to 3
feet.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Seas
around 2 feet.
.MONDAY...Southeast to south winds 5 to 10 knots, becoming
variable in the afternoon. Seas 1 to 2 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots, becoming north to
northeast late. Seas 2 to 3 feet.
.TUESDAY...Northeast winds 10 to 15 knots, becoming northeast to
east near 10 knots in the afternoon. Seas 2 to 3 feet. Isolated
showers.
.TUESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
2 to 4 feet. Isolated showers.
.WEDNESDAY THROUGH THURSDAY NIGHT...East winds near 15 knots.
Seas 3 to 4 feet. Isolated showers.

$$

GMZ033-034-210230-
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-
430 PM EDT Sat Apr 20 2024

.TONIGHT...East to southeast winds 5 to 10 knots, becoming
southeast 10 to 15 knots late. Seas 1 to 2 feet, building to 1 to
3 feet.
.SUNDAY...Southeast winds near 15 knots, decreasing to 5 to 10
knots in the afternoon. Seas 2 to 4 feet, subsiding to 1 to 2
feet.
.SUNDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet.
.MONDAY...Southeast to south winds near 5 knots, becoming west in
the afternoon. Seas around 1 foot. Isolated showers.
.MONDAY NIGHT...Northwest to north winds increasing to near 15
knots, becoming north to northeast after midnight. Seas building
to 3 to 4 feet.
.TUESDAY...Northeast winds near 15 knots, decreasing to near 10
knots in the afternoon. Seas 3 to 4 feet, subsiding to 2 to 3
feet. Isolated showers.
.TUESDAY NIGHT...Northeast to east winds near 10 knots. Seas
around 2 feet. Isolated showers.
.WEDNESDAY...East winds near 10 knots. Seas around 2 feet.
Isolated showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.
.THURSDAY AND THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2
to 3 feet.

$$

CLR