Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 180826
CWFKEY

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

GMZ005-181430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
426 AM EDT Thu Apr 18 2024

.SYNOPSIS...High pressure will remain over the western North
Atlantic through early next week. As a result, gentle to moderate
easterly breezes prevail through the rest of the week, then veer
eat to southeasterly through the weekend as a ridge axis moves
southward into South Florida. Starting next week breezes veer
south to southwesterly as a weak front stalls across the northern
Gulf of Mexico and north-central Florida.

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

$$

GMZ031-181430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
426 AM EDT Thu Apr 18 2024

.TODAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Bay waters a light to moderate chop, becoming a
light chop.
.TONIGHT...East winds near 10 knots, increasing to 10 to 15
knots. Bay waters a light chop, becoming a light to moderate
chop.
.FRIDAY...East to southeast winds near 10 knots. Bay waters a
light chop.
.FRIDAY NIGHT...East to southeast winds 5 to 10 knots, becoming
east. Bay waters smooth to a light chop.
.SATURDAY...East winds 5 to 10 knots, becoming east to southeast
and increasing to near 10 knots. Bay waters smooth to a light
chop, becoming a light chop.
.SATURDAY NIGHT...East to 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, becoming southeast
to south and increasing to 10 to 15 knots. Bay waters a light
chop, becoming a light to moderate chop.
.MONDAY...Southeast to south winds 10 to 15 knots, becoming
southwest to west and decreasing to near 10 knots. Bay waters a
light to moderate chop, becoming a light chop.
.MONDAY NIGHT...Southwest to west winds 5 to 10 knots, becoming
northwest to north. Bay waters smooth to a light chop.

$$

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-
426 AM EDT Thu Apr 18 2024

.TODAY...East winds near 15 knots, decreasing to near 10 knots.
Seas 1 to 3 feet, subsiding to 1 to 2 feet. Nearshore waters a
moderate chop, becoming a light chop.
.TONIGHT...East winds near 10 knots, increasing to 10 to 15
knots. Seas 1 to 2 feet. Nearshore waters a light chop, becoming
a light to moderate chop.
.FRIDAY...East 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.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop.
.SATURDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 1 to
3 feet. Nearshore waters a light chop, becoming a light to
moderate chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 to 2 feet,
except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a
light to moderate chop.
.SUNDAY NIGHT...Southeast winds near 10 knots, becoming southeast
to south and increasing to 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light chop, becoming a light to moderate chop.
.MONDAY...Southeast to south winds 10 to 15 knots, becoming
southwest to west and decreasing to near 10 knots. Seas 1 to 2
feet, subsiding to around 1 foot. Nearshore waters a light to
moderate chop, becoming a light chop.
.MONDAY NIGHT...West to northwest winds near 10 knots, becoming
north to northeast. Seas around 1 foot. Nearshore waters a light
chop.

$$

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-
426 AM EDT Thu Apr 18 2024

.TODAY...East to southeast winds near 15 knots, becoming east and
decreasing to 10 to 15 knots. Seas 2 to 4 feet, subsiding to 2 to
3 feet. Nearshore waters a moderate chop, becoming a light to
moderate chop.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop.
.FRIDAY...East winds 10 to 15 knots, decreasing to near 10 knots.
Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore waters a
light to moderate chop, becoming a light chop.
.FRIDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop.
.SATURDAY...East to southeast winds 10 to 15 knots. Seas around 2
feet. Nearshore waters a light to moderate chop.
.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.
.MONDAY...Southeast to south winds 10 to 15 knots, becoming
southwest to west and decreasing to 5 to 10 knots. Seas 2 to 3
feet, subsiding to 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming smooth to a light chop.
.MONDAY NIGHT...West to northwest winds 5 to 10 knots, becoming
north to northeast. Seas around 1 foot. Nearshore waters smooth
to a light chop.

$$

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-
426 AM EDT Thu Apr 18 2024

.TODAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 3 to 5 feet, subsiding to 2 to 4 feet.
.TONIGHT...East winds near 15 knots. Seas 2 to 4 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots,
increasing to near 15 knots. Seas 2 to 4 feet.
.SUNDAY...East to southeast winds near 15 knots, decreasing to 10
to 15 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots, increasing
to near 15 knots. Seas 2 to 4 feet.
.MONDAY...Southeast to south winds 10 to 15 knots, becoming
variable and decreasing to 5 to 10 knots. Seas 2 to 4 feet,
subsiding to 1 to 3 feet.
.MONDAY NIGHT...Variable winds 5 to 10 knots, becoming north to
northeast and increasing to near 10 knots. Seas 1 to 3 feet.

$$

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-
426 AM EDT Thu Apr 18 2024

.TODAY...East to southeast winds near 15 knots, becoming east and
decreasing to near 10 knots. Seas 2 to 4 feet, subsiding to 1 to
3 feet.
.TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. Seas 1 to 3 feet.
.FRIDAY...East winds 10 to 15 knots, decreasing to 5 to 10 knots
in the afternoon. Seas 1 to 3 feet.
.FRIDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
east and increasing to near 10 knots. Seas 1 to 2 feet.
.SATURDAY...East to southeast winds 10 to 15 knots, becoming
southeast and decreasing to 5 to 10 knots in the afternoon. Seas
1 to 2 feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet,
building to 1 to 3 feet.
.SUNDAY...Southeast winds near 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming southeast
to south. Seas 1 to 3 feet.
.MONDAY...Southeast to south winds near 10 knots, becoming
southwest to west. Seas 1 to 2 feet.
.MONDAY NIGHT...West to northwest winds near 10 knots, becoming
north to northeast. Seas 1 to 2 feet.

$$

MJV


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