Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 161419
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1019 AM EDT Tue Apr 16 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.

GMZ005-162030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1019 AM EDT Tue Apr 16 2024

.SYNOPSIS...High pressure will continue to slide into the west-
central Atlantic. Moderate to occasionally fresh, mainly easterly
breezes will continue across the Florida Keys coastal waters
through the middle of the week. A secondary high pressure moving
in from the the Gulf and eventually over Florida will result in
modestly slackened east to southeast breezes for the end of the
week and into the weekend.

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

$$

GMZ031-162030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1019 AM EDT Tue Apr 16 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...

.THIS AFTERNOON...Northeast to east winds 10 to 15 knots,
becoming east and increasing to 15 to 20 knots. Bay waters a light
to moderate chop, becoming choppy.
.TONIGHT...East winds 15 to 20 knots. Bay waters choppy.
.WEDNESDAY...East winds 15 to 20 knots, decreasing to near 15
knots. Bay waters choppy, becoming a moderate chop.
.WEDNESDAY NIGHT...East winds near 15 knots, decreasing to 10 to
15 knots. Bay waters a moderate chop, becoming a light to
moderate chop.
.THURSDAY...East winds near 10 knots. Bay waters a light chop.
.THURSDAY NIGHT...East winds near 10 knots. Bay waters a light
chop.
.FRIDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds 5 to 10 knots, becoming
northeast to east. Bay waters smooth to a light chop.
.SATURDAY...East winds near 10 knots, becoming east to southeast.
Bay waters a light chop.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Bay
waters a light to moderate chop.

$$

GMZ032-035-162030-
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-
1019 AM EDT Tue Apr 16 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...

.THIS AFTERNOON...East winds 10 to 15 knots, increasing to 15 to
20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the
Marquesas Keys. Nearshore waters a light to moderate chop,
becoming choppy.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet, except 3
to 4 feet west of the Marquesas Keys. Nearshore waters choppy.
.WEDNESDAY...East winds 15 to 20 knots. Seas 2 to 3 feet, except
3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, decreasing to near
15 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. West of the
Marquesas Keys, seas 3 to 4 feet, subsiding to around 3 feet.
Nearshore waters choppy, becoming a moderate chop.
.THURSDAY...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.
.THURSDAY NIGHT...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 5 to 10 knots.
Seas 1 to 2 feet. Nearshore waters a light to moderate chop,
becoming smooth to a light chop.
.FRIDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15
knots. Seas 1 foot or less, building to 1 to 2 feet. Nearshore
waters smooth to a light chop, becoming a light to moderate chop.
.SATURDAY...East to southeast winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots,
increasing to near 15 knots. Seas 1 to 2 feet, except building to
2 to 3 feet west of the Marquesas Keys. Nearshore waters a light
to moderate chop, becoming a moderate chop.

$$

GMZ042>044-162030-
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-
1019 AM EDT Tue Apr 16 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...East winds near 15 knots, increasing to 15 to
20 knots. Seas 3 to 4 feet. Nearshore waters a light to moderate
chop, becoming choppy.
.TONIGHT...East winds near 20 knots. Seas 3 to 5 feet. Nearshore
waters rough.
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet.
Nearshore waters choppy.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, decreasing to near
15 knots. Seas 3 to 4 feet, subsiding to 2 to 3 feet. Nearshore
waters choppy, becoming a moderate chop.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Nearshore waters a light to moderate chop.
.FRIDAY...East winds 10 to 15 knots, decreasing to 5 to 10 knots.
Seas 1 to 2 feet. Nearshore waters a light to moderate chop,
becoming smooth to a light chop.
.FRIDAY NIGHT...East 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.
.SATURDAY...East to southeast winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots,
increasing to near 15 knots. Seas 1 to 3 feet, building to 2 to 3
feet. Nearshore waters a light to moderate chop, becoming a
moderate chop.

$$

GMZ052>055-072>075-162030-
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-
1019 AM EDT Tue Apr 16 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...East winds near 15 knots, increasing to 15 to
20 knots. Seas 4 to 6 feet.
.TONIGHT...East winds near 20 knots. Seas 5 to 7 feet.
.WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, decreasing to near
15 knots. Seas 4 to 6 feet, subsiding to 3 to 5 feet.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, subsiding
to 2 to 4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 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 15 to 20 knots. Seas 2 to 4 feet, building to 3 to 5
feet.

$$

GMZ033-034-162030-
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-
1019 AM EDT Tue Apr 16 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...

.THIS AFTERNOON...East winds near 15 knots, increasing to 15 to
20 knots. Seas 2 to 4 feet.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 2 to
4 feet.
.WEDNESDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet.
.THURSDAY...East winds 10 to 15 knots, decreasing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet, subsiding to 1 to 3
feet.
.THURSDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 1 to 2 feet, building to 1 to 3
feet.
.FRIDAY...East winds 10 to 15 knots, becoming east to southeast
5 to 10 knots in the afternoon. Seas 1 to 3 feet, subsiding to 1
to 2 feet.
.FRIDAY NIGHT...Northeast to east winds 5 to 10 knots, increasing
to 10 to 15 knots after midnight. Seas 1 to 2 feet, building to 1
to 3 feet.
.SATURDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 1 to 3 feet.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to near 15 knots. Seas 1 to 3 feet, building to 2 to 3
feet.

$$

DP


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