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 30 31
000
FZUS52 KKEY 122023
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
423 PM EDT Tue Mar 12 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.

GMZ005-130230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
423 PM EDT Tue Mar 12 2024

.SYNOPSIS...High pressure over the southeastern United States
will drive east southeastward into the Atlantic over the next
couple of days. Moderate easterly breezes will veer slightly and
weaken through this period. This high will meander northeast of
the Bahamas through the remainder of the week, generally keeping
gentle to moderate east to southeasterly breezes. The high`s trade
wind belt will lift northward through the back half of the week
resulting in modestly freshening breezes.

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

$$

GMZ031-130230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
423 PM EDT Tue Mar 12 2024

.TONIGHT...East to southeast winds near 10 knots. Bay waters a
light chop.
.WEDNESDAY...Southeast winds near 10 knots. Bay waters a light
chop. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Bay waters a light chop, becoming a
light to moderate chop.
.THURSDAY...East winds 10 to 15 knots, increasing to near 15
knots. Bay waters a light to moderate chop, becoming a moderate
chop. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy.
Isolated showers.
.FRIDAY...East to southeast winds decreasing to near 15 knots.
Bay waters becoming a moderate chop. Isolated showers.
.FRIDAY NIGHT...East to southeast winds decreasing to 10 to 15
knots. Bay waters becoming a light to moderate chop. Isolated
showers.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 10 to 15 knots.
Bay waters a light to moderate chop.
.SUNDAY...Southeast winds near 10 knots. Bay waters a light chop.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters a
light to moderate chop.

$$

GMZ032-035-130230-
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-
423 PM EDT Tue Mar 12 2024

.TONIGHT...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming a light chop.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.THURSDAY...East winds 10 to 15 knots, increasing to near 15 knots.
Seas 1 to 2 feet. Nearshore waters a light to moderate chop,
becoming a moderate chop. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 1 to 2 feet,
except 3 to 4 feet west of the Marquesas Keys. Nearshore waters
choppy. Isolated showers.
.FRIDAY...East to southeast winds 15 to 20 knots. Seas 1 to 2
feet, except 2 to 4 feet west of the Marquesas Keys. Nearshore
waters choppy. Isolated showers.
.FRIDAY NIGHT...East to southeast winds near 15 knots. Seas 1 to
2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters a moderate chop. Isolated showers.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 1 foot.
Nearshore waters a light to moderate chop.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 foot or less. Nearshore waters a light to moderate chop.
.SUNDAY AND SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop.

$$

GMZ042>044-130230-
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-
423 PM EDT Tue Mar 12 2024

.TONIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Nearshore waters a light to moderate chop.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet, building to 2 to 3 feet. Nearshore waters a light to
moderate chop. Isolated showers.
.THURSDAY...East to southeast winds 10 to 15 knots, becoming east
near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to
moderate chop, becoming a moderate chop. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet,
building to 3 to 5 feet. Nearshore waters choppy. Isolated
showers.
.FRIDAY...East to southeast winds 15 to 20 knots. Seas 3 to 4
feet. Nearshore waters choppy. Isolated showers.
.FRIDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to
4 feet. Nearshore waters a moderate chop. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet. Nearshore waters a light to moderate
chop.
.SUNDAY AND SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2
to 3 feet. Nearshore waters a light to moderate chop.

$$

GMZ052>055-072>075-130230-
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-
423 PM EDT Tue Mar 12 2024

.TONIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 2 to
3 feet. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots,
increasing to near 15 knots. Seas building to 2 to 4 feet.
Isolated showers.
.THURSDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas building to 3 to 5 feet. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet.
Isolated showers.
.FRIDAY...East to southeast winds 15 to 20 knots. Seas 4 to
6 feet. Isolated showers.
.FRIDAY NIGHT...East to southeast winds 15 to 20 knots, decreasing
to near 15 knots. Seas subsiding to 3 to 5 feet. Isolated
showers.
.SATURDAY...East to southeast winds 10 to 15 knots. Seas 2 to
4 feet.
.SATURDAY NIGHT...East to southeast winds near 15 knots. Seas 2
to 4 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.

$$

GMZ033-034-130230-
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-
423 PM EDT Tue Mar 12 2024

.TONIGHT...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 1 to 3 feet.
.WEDNESDAY...East to southeast winds near 10 knots, decreasing to
5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Seas 1
to 2 feet. Isolated showers.
.THURSDAY...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Isolated showers.
.THURSDAY NIGHT...East to southeast winds near 15 knots,
becoming east 15 to 20 knots. Seas 2 to 4 feet, building to 3 to
5 feet. Isolated showers.
.FRIDAY...East to southeast winds decreasing to 10 to 15 knots.
Seas subsiding to 2 to 4 feet. Isolated showers.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.
.SATURDAY...Southeast winds near 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Seas 1
to 2 feet.
.SUNDAY AND SUNDAY NIGHT...Southeast winds near 10 knots. Seas 1
to 2 feet.

$$

JAM


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.