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
000
FZUS52 KKEY 201430
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1030 AM 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.

GMZ005-202030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1030 AM EDT Sat Apr 20 2024

.SYNOPSIS...High pressure over the western North Atlantic will
maintain gentle to occasionally moderate east to 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.

$$

GMZ031-202030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1030 AM EDT Sat Apr 20 2024

.THIS AFTERNOON...Southeast winds near 10 knots. Bay waters a
light chop.
.TONIGHT...East to southeast winds near 10 knots, becoming
southeast 10 to 15 knots late. 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 near 5 knots. Bay waters smooth.
.MONDAY...South winds 5 to 10 knots, becoming southwest to west 5
to 10 knots in the afternoon. Bay waters smooth, becoming smooth
to a light chop.
.MONDAY NIGHT...Northwest winds near 10 knots, becoming north
after midnight. Bay waters a light chop.
.TUESDAY...North to northeast winds near 10 knots, becoming
northeast to east in the afternoon. Bay waters 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 AND WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.

$$

GMZ032-035-202030-
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-
1030 AM EDT Sat Apr 20 2024

.THIS AFTERNOON...East to southeast winds near 10 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light chop.
.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 10 to 15 knots, decreasing to near 10
knots in the afternoon. Seas around 1 foot, except 1 to 2 feet
west of the Marquesas Keys. Nearshore waters a light to 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 west to
northwest 5 to 10 knots in the afternoon. Seas 1 foot or less.
Nearshore waters smooth, becoming smooth to a light chop.
.MONDAY NIGHT...Northwest to north winds 10 to 15 knots, becoming
north to northeast late. Seas 1 to 2 feet. Nearshore waters a
light to moderate chop.
.TUESDAY...North to northeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters 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 AND WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ042>044-202030-
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-
1030 AM EDT Sat Apr 20 2024

.THIS AFTERNOON...East to southeast winds near 10 knots. Seas 1
to 2 feet. Nearshore waters a light chop.
.TONIGHT...East to southeast winds 10 to 15 knots, becoming
southeast after midnight. Seas 1 to 2 feet. Nearshore waters a
light to moderate chop.
.SUNDAY...Southeast winds 10 to 15 knots, decreasing to near 10
knots in the afternoon. Seas 1 to 2 feet. Nearshore waters a light
to 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 to north winds 10 to 15 knots, becoming
north to northeast late. Seas building to 1 to 2 feet. Nearshore
waters a light to moderate chop.
.TUESDAY...North to northeast winds near 10 knots, becoming
northeast to east in the afternoon. Seas 1 to 2 feet. Nearshore
waters 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 AND WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ052>055-072>075-202030-
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-
1030 AM EDT Sat Apr 20 2024

.THIS AFTERNOON...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet.
.TONIGHT...East to southeast winds near 15 knots, becoming
southeast after midnight. Seas 3 to 4 feet.
.SUNDAY...Southeast winds near 15 knots, becoming east to
southeast near 10 knots in the afternoon. Seas 3 to 4 feet,
subsiding to around 2 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 to north winds 10 to 15 knots, becoming
north to northeast late. Seas building to 2 to 3 feet.
.TUESDAY...North to northeast winds near 10 knots, becoming
northeast to east in the afternoon. Seas 2 to 3 feet. Isolated
showers.
.TUESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
2 to 3 feet. Isolated showers.
.WEDNESDAY AND WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas
2 to 4 feet. Isolated showers.

$$

GMZ033-034-202030-
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-
1030 AM EDT Sat Apr 20 2024

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

$$

CLR


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