429
FZUS52 KKEY 180829
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
429 AM EDT Sat May 18 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.

GMZ005-181430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
429 AM EDT Sat May 18 2024

.SYNOPSIS...The western extent of a low-level ridge axis extends
west-northwest through the Bahamas and across the Keys. Southeast
breezes will tend to peak and lull overnight through Sunday as
the heating and cooling of South Florida and Cuba modulate the
local wind forecast. There may be a break in the rain-free
conditions Sunday night through Tuesday, followed by variable
breezes Tuesday through Wednesday.

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.

$$

GMZ031-181430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
429 AM EDT Sat May 18 2024

.TODAY...Southeast to south winds 10 to 15 knots, decreasing to
near 10 knots. Bay waters a light to moderate chop, becoming a
light chop.
.TONIGHT...Southeast to south winds 5 to 10 knots, increasing to
10 to 15 knots. Bay waters smooth to a light chop, becoming a
light to moderate chop. Isolated showers.
.SUNDAY...Southeast to south winds 10 to 15 knots, becoming south
near 10 knots. Bay waters a light to moderate chop, becoming a
light chop. Isolated showers and thunderstorms.
.SUNDAY NIGHT...Southwest to west winds near 5 knots. Bay waters
smooth. Scattered showers and isolated thunderstorms.
.MONDAY...Southwest to west winds 5 to 10 knots, increasing to
near 10 knots. Bay waters smooth to a light chop, becoming a
light chop. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...West to northwest winds near 10 knots. Bay waters
a light chop. Scattered showers and isolated thunderstorms.
.TUESDAY...Northeast winds near 5 knots, becoming southeast to
south in the afternoon. Bay waters smooth. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...Northeast to east winds near 5 knots. Bay waters
smooth. Scattered showers and isolated thunderstorms.
.WEDNESDAY...Northeast to east winds near 5 knots, becoming east
to southeast near 10 knots in the afternoon. Bay waters smooth,
becoming a light chop. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop. Isolated showers and thunderstorms.

$$

GMZ032-035-181430-
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-
429 AM EDT Sat May 18 2024

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

$$

GMZ042>044-181430-
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-
429 AM EDT Sat May 18 2024

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

$$

GMZ052>055-072>075-181430-
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-
429 AM EDT Sat May 18 2024

.TODAY...Southeast to south winds 10 to 15 knots, becoming
southeast 5 to 10 knots. Seas 1 to 3 feet, subsiding to 1 to 2
feet. Wave Detail: Southeast 1 foot at 4 seconds.
.TONIGHT...East to southeast winds 10 to 15 knots, becoming
southeast to south after midnight. Seas 1 to 3 feet. Wave Detail:
East to southeast 2 feet at 4 seconds. Isolated showers.
.SUNDAY...South to southwest winds 10 to 15 knots, becoming south
to southwest 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:
East to southeast 2 feet at 4 seconds. Isolated showers and
thunderstorms.
.SUNDAY NIGHT...Variable winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.MONDAY...Variable winds near 5 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.
.TUESDAY...Northwest to north winds near 5 knots. Seas around
1 foot. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...Northeast to east winds near 5 knots. Seas
around 1 foot. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Seas
around 2 feet. Isolated showers and thunderstorms.

$$

GMZ033-034-181430-
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-
429 AM EDT Sat May 18 2024

.TODAY...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:
Southwest 2 feet at 5 seconds and southeast 1 foot at 3 seconds.
.TONIGHT...Variable winds 5 to 10 knots, becoming southeast 10 to
15 knots after midnight. Seas 1 to 2 feet, building to 1 to 3 feet.
Wave Detail: Southwest 1 foot at 5 seconds and northeast 1 foot
at 3 seconds. Isolated showers.
.SUNDAY...Southeast to south near 10 knots, becoming southwest to
west 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southwest 1
foot at 5 seconds and southeast 1 foot at 3 seconds. Isolated
showers and thunderstorms.
.SUNDAY NIGHT...West to northwest winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms.
.MONDAY...West winds near 5 knots, increasing to 5 to 10 knots.
Seas 1 to 2 feet. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...Northwest to north winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms.
.TUESDAY...North to northeast winds 5 to 10 knots. Seas around 1
foot. Isolated showers and thunderstorms.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming northeast to
east after midnight. Seas around 1 foot. Isolated showers and
thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 1 foot.
Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Seas 1
to 2 feet. Isolated showers and thunderstorms.

$$

JAM