Coastal Waters Forecast
Issued by NWS Key West, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
533
FZUS52 KKEY 250229
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1029 PM EDT Fri May 24 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.

GMZ005-250830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1029 PM EDT Fri May 24 2024

.SYNOPSIS...Light to gentle east to southeast breezes will
continue through the end of the week as high pressure will remain
in place. During the later half of Sunday, breezes will clock to a
southeasterly to south direction and modestly freshen as the high
pressure shifts its position.

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.

$$

GMZ031-250830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1029 PM EDT Fri May 24 2024

.OVERNIGHT...East to southeast winds near 5 knots. Bay waters
smooth.
.SATURDAY...Southeast to south winds 5 to 10 knots, becoming south
to southwest. Bay waters smooth to a light chop.
.SATURDAY NIGHT...Winds becoming variable near 5 knots. Bay
waters becoming smooth. Isolated showers.
.SUNDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.SUNDAY NIGHT...Southeast to south winds 5 to 10 knots. Bay
waters smooth to a light chop.
.MONDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop. Isolated showers.
.TUESDAY...East to southeast winds near 5 knots. Bay waters
smooth. Isolated showers and thunderstorms.
.TUESDAY NIGHT...East to southeast winds 5 to 10 knots. Bay
waters smooth to a light chop. Isolated showers and
thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...Variable winds near 5 knots. Bay
waters smooth. Isolated showers and thunderstorms.

$$

GMZ032-035-250830-
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-
1029 PM EDT Fri May 24 2024

.OVERNIGHT...Variable winds near 5 knots, becoming east to
southeast. Seas 1 foot or less. Nearshore waters smooth.
.SATURDAY...Southeast to south winds near 5 knots, becoming south
to southwest. Seas 1 foot or less. Nearshore waters smooth.
.SATURDAY NIGHT...West to northwest winds near 5 knots, becoming
east to southeast 5 to 10 knots. Seas 1 foot or less. Nearshore
waters smooth, becoming smooth to a light chop.
.SUNDAY...Southeast to south winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to 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 winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Isolated showers.
.TUESDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Isolated showers and
thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers and
thunderstorms.
.WEDNESDAY...Variable winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.

$$

GMZ042>044-250830-
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-
1029 PM EDT Fri May 24 2024

.OVERNIGHT...Variable winds near 5 knots, becoming east to
southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore
waters smooth, becoming smooth to a light chop.
.SATURDAY...Southeast to south winds near 5 knots, becoming south
to southwest 5 to 10 knots. Seas 1 foot or less. Nearshore waters
smooth, becoming smooth to a light chop.
.SATURDAY NIGHT...Variable winds near 5 knots, becoming east to
southeast 5 to 10 knots after midnight. Seas 1 foot or less,
building to around 1 foot. Nearshore waters smooth, becoming
smooth to a light chop. Isolated showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas building to 1
to 2 feet. Nearshore waters smooth to a light chop.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Isolated showers.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a
light chop, becoming a light chop. Isolated showers.
.TUESDAY...East to southeast winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Isolated showers and
thunderstorms.
.WEDNESDAY...Northeast to east winds near 5 knots, becoming
variable. Seas around 1 foot. Nearshore waters smooth. Isolated
showers and thunderstorms.
.WEDNESDAY NIGHT...Variable winds near 5 knots, becoming northeast
to east 5 to 10 knots. Seas around 1 foot. Nearshore waters
smooth, becoming smooth to a light chop. Isolated showers and
thunderstorms.

$$

GMZ052>055-072>075-250830-
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-
1029 PM EDT Fri May 24 2024

.OVERNIGHT...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet. Wave Detail: East 1 foot at 4 seconds.
.SATURDAY...Southeast to south winds 5 to 10 knots, becoming
variable near 5 knots. Seas around 1 foot. Wave Detail: East to
southeast 1 foot at 3 seconds.
.SATURDAY NIGHT...Variable winds 5 to 10 knots, becoming east to
southeast. Seas around 1 foot. Wave Detail: East 1 foot at 3
seconds.
.SUNDAY...East to southeast winds 5 to 10 knots. Seas around
1 foot.
.SUNDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 1 to 2 feet.
.MONDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Isolated showers.
.MONDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing
to near 10 knots. Seas 1 to 2 feet. Isolated showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers and thunderstorms.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers and thunderstorms.

$$

GMZ033-034-250830-
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-
1029 PM EDT Fri May 24 2024

.OVERNIGHT...Variable winds near 5 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds.
.SATURDAY...Southeast to south winds near 5 knots, becoming
variable. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2
seconds.
.SATURDAY NIGHT...Variable winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY...Southeast to south winds 5 to 10 knots. Seas around
1 foot.
.SUNDAY NIGHT...East to southeast winds 5 to 10 knots, increasing
to near 10 knots. Seas around 1 foot.
.MONDAY...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Seas around 1 foot.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
1 foot. Isolated showers.
.TUESDAY...East to southeast winds near 5 knots, becoming
northeast to east. Seas 1 foot or less. Isolated showers and
thunderstorms.
.TUESDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
around 1 foot. Isolated showers and thunderstorms.
.WEDNESDAY...North to northeast winds 5 to 10 knots. Seas around
1 foot. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming northeast
to east. Seas around 1 foot. Isolated showers and thunderstorms.

$$