398
FZUS52 KKEY 090824
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
424 AM EDT Thu May 9 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.

GMZ005-091430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
424 AM EDT Thu May 9 2024

.SYNOPSIS...High pressure over the western North Atlantic will
maintain gentle to moderate southeast breezes today and tonight.
Breezes will slacken and veer to the south and southwest on
Friday, continuing to veer around the compass during the weekend
as a weak frontal boundary moves down the Florida peninsula. The
front will dissipate near the Keys waters on Sunday, then
southeast breezes will resume early next week as another high
pressure area moves over the western Atlantic.

$$

GMZ031-091430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
424 AM EDT Thu May 9 2024

.TODAY...Southeast winds 10 to 15 knots, decreasing to near 10
knots this afternoon. Bay waters a light to moderate chop,
becoming a light chop.
.TONIGHT...Southeast winds 10 to 15 knots, becoming southeast to
south. Bay waters a light to moderate chop.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest in the afternoon. Bay waters a light chop.
.FRIDAY NIGHT...West winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, increasing to 10 to 15
knots in the afternoon. Bay waters smooth to a light chop,
becoming a light to moderate chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots,
becoming northwest 5 to 10 knots after midnight. Bay waters a
light to moderate chop, becoming smooth to a light chop. Isolated
showers.
.SUNDAY...Northwest to north winds near 5 knots, becoming
southwest in the afternoon. Bay waters smooth. Isolated showers.
.SUNDAY NIGHT...South winds near 5 knots, becoming southeast
after midnight. Bay waters smooth. Isolated showers.
.MONDAY...East to southeast winds increasing to near 10 knots.
Bay waters becoming a light chop. Isolated showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds near 15 knots. Bay waters a
moderate chop. Scattered showers and isolated thunderstorms.

$$

GMZ032-035-091430-
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 AM EDT Thu May 9 2024

.TODAY...Southeast winds near 15 knots, decreasing to near 10
knots this afternoon. Seas 1 to 2 feet, subsiding to around 1
foot. West of the Marquesas Keys, seas 2 to 3 feet, subsiding to 1
to 2 feet. Nearshore waters a moderate chop, becoming a light
chop.
.TONIGHT...Southeast winds 10 to 15 knots, becoming southeast to
south. Seas 1 to 2 feet. Nearshore waters a light to moderate
chop.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas around 1
foot. Nearshore waters a light chop, becoming smooth to a light
chop.
.FRIDAY NIGHT...West to northwest winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, increasing to near 10 knots
in the afternoon. Seas around 1 foot. Nearshore waters smooth to
a light chop, becoming a light chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots,
becoming northwest 5 to 10 knots after midnight. Seas around 1
foot. Nearshore waters a light to moderate chop, becoming smooth
to a light chop. Isolated showers.
.SUNDAY...Northwest to north winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Isolated showers.
.SUNDAY NIGHT...North to northeast winds near 5 knots, becoming
southeast after midnight. Seas 1 foot or less, except 1 to 2 feet
west of the Marquesas Keys. Nearshore waters smooth. Isolated
showers.
.MONDAY...East to southeast winds increasing to near 10 knots.
Seas around 1 foot. Nearshore waters becoming a light chop.
Isolated showers and thunderstorms.
.MONDAY NIGHT...Southeast winds near 15 knots. Seas 1 to 2 feet,
except building to 2 to 3 feet west of the Marquesas Keys.
Nearshore waters a moderate chop. Isolated showers and
thunderstorms.

$$

GMZ042-091430-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
424 AM EDT Thu May 9 2024

.TODAY...Southeast winds 10 to 15 knots, decreasing to near 10
knots this afternoon. Seas 2 to 3 feet, subsiding to 1 to 2 feet.
Nearshore waters a light to moderate chop, becoming a light chop.
.TONIGHT...Southeast winds 10 to 15 knots, becoming southeast to
south. Seas around 2 feet. Nearshore waters a light to moderate
chop.
.FRIDAY...Southeast to south winds 10 to 15 knots, becoming
southwest near 10 knots in the afternoon. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop, becoming a light chop.
.FRIDAY NIGHT...Southwest to west winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Isolated showers.
.SATURDAY...Southwest to west winds 5 to 10 knots, increasing to
near 15 knots in the afternoon. Seas around 1 foot, building to 1
to 2 feet. Nearshore waters smooth to a light chop, becoming a
moderate chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds near 15 knots, becoming
northwest near 10 knots after midnight. Seas 1 to 2 feet,
subsiding to around 1 foot. Nearshore waters a moderate chop,
becoming a light chop. Isolated showers.
.SUNDAY...Northwest to north winds near 5 knots, becoming
southeast to south in the afternoon. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers.
.SUNDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth. Isolated showers.
.MONDAY...East to southeast winds increasing to near 10 knots.
Seas building to 1 to 2 feet. Nearshore waters becoming a light
chop. Isolated showers and thunderstorms.
.MONDAY NIGHT...Southeast winds near 15 knots. Seas building to 2
to 3 feet. Nearshore waters a moderate chop. Scattered showers and
isolated thunderstorms.

$$

GMZ043-044-091430-
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-
424 AM EDT Thu May 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE...

.TODAY...Southeast winds 15 to 20 knots early, decreasing to near
15 knots during the morning, then becoming east to southeast near
10 knots this afternoon. Seas 2 to 4 feet, subsiding to 1 to 2
feet. Nearshore waters choppy, becoming a light chop.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
Nearshore waters a light to moderate chop.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest to west near 5 knots in the afternoon. Seas 1 to 2
feet, subsiding to around 1 foot. Nearshore waters a light chop,
becoming smooth.
.FRIDAY NIGHT...West to northwest winds near 5 knots. Seas
1 foot. Nearshore waters smooth. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, increasing to near 10 knots
in the afternoon. Seas around 1 foot. Nearshore waters smooth to
a light chop, becoming a light chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots,
becoming northwest 5 to 10 knots after midnight. Seas around 1
foot. Nearshore waters a light to moderate chop, becoming smooth
to a light chop. Isolated showers.
.SUNDAY...North to northeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Isolated showers.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming east to
southeast after midnight. Seas 1 foot or less. Nearshore waters
smooth to a light chop. Isolated showers.
.MONDAY...East to southeast winds increasing to near 10 knots.
Seas building to 1 to 2 feet. Nearshore waters becoming a light
chop. Isolated showers and thunderstorms.
.MONDAY NIGHT...Southeast winds near 15 knots. Seas building to 2
to 3 feet. Nearshore waters a moderate chop. Scattered showers and
isolated thunderstorms.

$$

GMZ052-072-091430-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
424 AM EDT Thu May 9 2024

.TODAY...Southeast winds 10 to 15 knots, decreasing to near 10
knots this afternoon. Seas 2 to 3 feet, subsiding to 1 to 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.TONIGHT...Southeast winds 10 to 15 knots, becoming southeast to
south. Seas around 2 feet. Wave Detail: East to southeast 2 feet
at 4 seconds.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest in the afternoon. Seas around 2 feet, subsiding to 1 to
2 feet. Wave Detail: Southeast to south 2 feet at 4 seconds.
.FRIDAY NIGHT...Southwest to west winds 5 to 10 knots. Seas
around 1 foot. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas around 1 foot, building to 1 to 2
feet. Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots,
becoming northwest 5 to 10 knots after midnight. Seas 1 to
2 feet. Isolated showers.
.SUNDAY...Northwest to north winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers.
.SUNDAY NIGHT...East to southeast winds near 5 knots. Seas 1 to
2 feet. Isolated showers.
.MONDAY...East to southeast winds increasing to 10 to 15 knots.
Seas building to 2 to 3 feet. Isolated showers and thunderstorms.
.MONDAY NIGHT...Southeast winds increasing to 15 to 20 knots.
Seas building to 3 to 4 feet, occasionally to 5 feet. Isolated
showers and thunderstorms.

$$

GMZ053>055-073>075-091430-
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 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-
424 AM EDT Thu May 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE...

.TODAY...Southeast winds 15 to 20 knots early, decreasing to near
15 knots during the morning, then becoming east to southeast near
10 knots this afternoon. Seas 4 to 5 feet, subsiding to 2 to 3
feet. Wave Detail: East to southeast 3 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East to southeast 2 feet at 5 seconds.
.FRIDAY...Southeast to south winds near 10 knots, becoming
variable near 5 knots in the afternoon. Seas around 2 feet,
subsiding to 1 to 2 feet. Wave Detail: East to southeast 2 feet
at 5 seconds.
.FRIDAY NIGHT...Variable winds near 5 knots, becoming west after
midnight. Seas around 1 foot. Isolated showers.
.SATURDAY...West winds near 5 knots, becoming northwest near 10
knots in the afternoon. Seas around 1 foot. Isolated showers.
.SATURDAY NIGHT...Northwest winds near 10 knots, becoming
northwest to north 5 to 10 knots after midnight. Seas around 1
foot. Isolated showers.
.SUNDAY...North to northeast winds near 5 knots. Seas 1 to
2 feet. Isolated showers.
.SUNDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
east to southeast after midnight. Seas 1 to 2 feet. Isolated
showers.
.MONDAY...East to southeast winds increasing to 10 to 15 knots.
Seas building to 2 to 3 feet. Isolated showers and thunderstorms.
.MONDAY NIGHT...Southeast winds increasing to 15 to 20 knots.
Seas building to 3 to 4 feet, occasionally to 5 feet. Isolated
showers and thunderstorms.

$$

GMZ033-034-091430-
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-
424 AM EDT Thu May 9 2024

.TODAY...Southeast to south winds near 15 knots, decreasing to
near 10 knots this afternoon. Seas 2 to 3 feet, subsiding to 1 to
2 feet. Wave Detail: Southeast 3 feet at 4 seconds.
.TONIGHT...Southeast to south winds 10 to 15 knots. Seas 1 to 2
feet. Wave Detail: Southeast 1 foot at 4 seconds.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas 1 to 2
feet. Wave Detail: Southeast to south 1 foot at 3 seconds.
.FRIDAY NIGHT...West to northwest winds 5 to 10 knots. Seas
1 foot. Isolated showers.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot. Isolated
showers.
.SATURDAY NIGHT...Northwest winds near 10 knots, becoming north 5
to 10 knots after midnight. Seas 1 foot. Isolated showers.
.SUNDAY...North to northeast winds near 5 knots. Seas 1 to
2 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds near 5 knots, becoming east to
southeast after midnight. Seas 1 to 2 feet. Isolated showers.
.MONDAY...East to southeast winds increasing to near 10 knots.
Seas 1 to 2 feet. Isolated showers and thunderstorms.
.MONDAY NIGHT...Southeast winds increasing to near 15 knots. Seas
building to 2 to 3 feet. Isolated showers and thunderstorms.

$$