Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 182020
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
420 PM EDT Thu Apr 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.

GMZ005-190230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
420 PM EDT Thu Apr 18 2024

.SYNOPSIS...High pressure continues to dominate the weather
pattern in the area, allowing for gentle to moderate easterly to
southeasterly breezes to prevail through the weekend. Next week,
breezes veer around the clock from south to southwesterly on
Monday until reaching northeast to easterly on Tuesday. The
direction change will be quick, but breezes are not expected to
increase drastically.

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

$$

GMZ031-190230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
420 PM EDT Thu Apr 18 2024

.TONIGHT...East winds near 10 knots. Bay waters a light chop.
.FRIDAY...East to southeast winds near 10 knots. Bay waters a
light chop.
.FRIDAY NIGHT AND SATURDAY...East to southeast winds 5 to 10
knots. Bay waters smooth to a light chop.
.SATURDAY NIGHT...Southeast winds near 10 knots. Bay waters a
light chop.
.SUNDAY...Southeast winds 10 to 15 knots. Bay waters a light to
moderate chop.
.SUNDAY NIGHT...Southeast winds near 10 knots. Bay waters a light
chop.
.MONDAY...South to southwest winds 5 to 10 knots. Bay waters
smooth to a light chop.
.MONDAY NIGHT...West to northwest winds near 5 knots, becoming
north to northeast after midnight. Bay waters smooth.
.TUESDAY...Northeast to east winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.TUESDAY 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. Isolated showers.

$$

GMZ032-035-190230-
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-
420 PM EDT Thu Apr 18 2024

.TONIGHT...East winds 10 to 15 knots. Seas around 1 to 3 feet.
Nearshore waters a light to moderate chop.
.FRIDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop.
.FRIDAY NIGHT AND SATURDAY...East to southeast winds 5 to 10
knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 to 2 feet. Nearshore waters a light chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 to 2, except 2
to 3 feet west of the Marquesas Keys. Nearshore waters a light to
moderate chop.
.SUNDAY NIGHT...Southeast to south winds near 10 knots. Seas
1 to 2 feet. Nearshore waters a light chop.
.MONDAY...South to southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop.
.MONDAY NIGHT...West to northwest 5 to 10 knots, becoming north to
northeast after midnight. Seas 1 to 2 feet. Nearshore waters
smooth to a light chop.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Isolated showers.

$$

GMZ042>044-190230-
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-
420 PM EDT Thu Apr 18 2024

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop.
.FRIDAY...East winds near 10 knots. Seas 2 to 3 feet. Nearshore
waters a light chop.
.FRIDAY NIGHT AND SATURDAY...East winds 5 to 10 knots. Seas around
2 feet. Nearshore waters smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Seas
around 2 feet. Nearshore waters a light chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop.
.SUNDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas 2
to 3 feet. Nearshore waters a light to moderate chop.
.MONDAY...South to southwest winds near 10 knots. Seas 2 to 3
feet. Nearshore waters a light chop.
.MONDAY NIGHT...West to northwest winds near 10 knots, becoming
north to northeast. Seas around around 2 feet. Nearshore waters a
light chop.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. Isolated showers.

$$

GMZ052>055-072>075-190230-
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-
420 PM EDT Thu Apr 18 2024

.TONIGHT...East winds near 15 knots. Seas 2 to 4 feet.
.FRIDAY AND FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3
feet.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 10 to 15
knots, increasing to near 15 knots. Seas 2 to 3 feet, building to
2 to 4 feet.
.SUNDAY...East to southeast winds 10 to 15 knots. Seas 2 to 4
feet.
.SUNDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas 2
to 3 feet.
.MONDAY...South to southwest winds 10 to 15 knots. Seas 2 to 3
feet.
.MONDAY NIGHT...West to northwest winds near 10 knots, becoming
north to northeast. Seas 1 to 3 feet.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to 3
feet. Isolated showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.

$$

GMZ033-034-190230-
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-
420 PM EDT Thu Apr 18 2024

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY AND FRIDAY NIGHT...East winds near 10 knots. Seas 1 to 3
feet.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 5 to 10
knots. Seas 1 to 2 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
.SUNDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas 1 to
2 feet.
.MONDAY...South to southwest winds 5 to 10 knots. Seas 1 to 2
feet.
.MONDAY NIGHT...West to northwest winds near 10 knots, becoming
north to northeast. Seas 1 to 2 feet.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to 2
feet. Isolated showers.
.TUESDAY NIGHT...East winds near 10 knots, becoming northeast to
east. Seas 1 to 2 feet. Isolated showers.

$$

DP


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