Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 091428
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1028 AM EDT Tue Apr 9 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.

GMZ005-092030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 AM EDT Tue Apr 9 2024

.SYNOPSIS...Surface high pressure will continue to move further
offshore in the western North Atlantic and strengthen. East to
southeast breezes will respond, remaining fresh to strong this
afternoon through Wednesday. Breezes will then slacken slowly and
veer to the south ahead of a weak front that is progged to push
through the Florida Keys coastal waters Thursday night. In the
wake of the front, breezes will veer steadily back to the
northeast to east, as another high pressure system moves across
the Southeast and into the western North Atlantic late in the week
and into the weekend.

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

$$

GMZ031-092030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1028 AM EDT Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...East to southeast winds near 20 knots. Bay
waters rough.
.TONIGHT...East to southeast winds near 20 knots. Bay waters
rough.
.WEDNESDAY...East to southeast winds 15 to 20 knots, decreasing
to near 15 knots. Bay waters choppy, becoming a moderate chop.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots, becoming
southeast to south and increasing to 15 to 20 knots. Bay waters a
moderate chop, becoming choppy.
.THURSDAY...Southeast to south winds 15 to 20 knots, decreasing to
10 to 15 knots. Bay waters choppy, becoming a light to moderate
chop. Isolated showers.
.THURSDAY NIGHT...South winds near 10 knots, becoming northwest
and increasing to near 15 knots. Bay waters a light chop,
becoming a moderate chop. Isolated showers.
.FRIDAY...Northwest to north winds near 15 knots, becoming north
to northeast and decreasing to 5 to 10 knots. Bay waters moderate
chop, becoming smooth to a light chop. Isolated showers.
.FRIDAY NIGHT...North to northeast winds near 10 knots,
increasing to near 15 knots. Bay waters a light chop, becoming a
moderate chop.
.SATURDAY...North to northeast winds 15 to 20 knots, decreasing to
near 15 knots. Bay waters choppy, becoming a moderate chop.
.SATURDAY NIGHT...Northeast to east winds 15 to 20 knots. Bay
waters choppy.

$$

GMZ032-035-092030-
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-
1028 AM EDT Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...East to southeast winds near 20 knots. Seas 2
to 3 feet, except 3 to 5 feet west of the Marquesas Keys.
Nearshore waters rough.
.TONIGHT...East to southeast winds near 20 knots. Seas 2 to 3
feet, except 3 to 5 feet west of the Marquesas Keys. Nearshore
waters rough.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 2 to
3 feet, except 3 to 5 feet west of the Marquesas Keys. Nearshore
waters choppy.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots, becoming
southeast to south and increasing to 15 to 20 knots. Seas 2 to 3
feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore
waters a moderate chop, becoming choppy.
.THURSDAY....Southeast to south winds 15 to 20 knots, becoming
south and decreasing to 10 to 15 knots. Seas 1 to 2 feet, except
2 to 3 feet west of the Marquesas Keys. Nearshore waters choppy,
becoming a light to moderate chop. Isolated showers.
.THURSDAY NIGHT...South winds near 10 knots, becoming northwest
and increasing to 15 to 20 knots. Seas building to 2 to 3 feet,
except building to 3 to 4 feet west of the Marquesas Keys.
Nearshore waters a light chop, becoming choppy. Isolated showers.
.FRIDAY...Northwest to north winds 15 to 20 knots, decreasing to
10 to 15 knots. Seas 2 to 4 feet, except 4 to 5 feet west of the
Marquesas Keys. Nearshore waters choppy, becoming a light to
moderate chop. Isolated showers.
.FRIDAY NIGHT...Northwest to north to winds near 15 knots,
becoming north to northeast and increasing to 15 to 20 knots. Seas
2 to 4 feet, except 4 to 6 feet west of the Marquesas Keys.
Nearshore waters a moderate chop, becoming choppy.
.SATURDAY...North to northeast winds 15 to 20 knots, becoming
northeast to east and decreasing to near 15 knots. Seas subsiding
to 2 to 3 feet. West of the Marquesas Keys, seas 4 to 5 feet,
subsiding to 3 to 4 feet. Nearshore waters choppy, becoming a
moderate chop.
.SATURDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2
to 3 feet, except 3 to 4 feet west of the Marquesas Keys.
Nearshore waters choppy.

$$

GMZ042>044-092030-
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-
1028 AM EDT Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...East to southeast winds near 20 knots. Seas 3
to 5 feet. Nearshore waters rough.
.TONIGHT...East to southeast winds near 20 knots. Seas 3 to 5
feet. Nearshore waters rough.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 3 to
5 feet, subsiding to 2 to 4 feet. Nearshore waters choppy.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots, becoming
southeast to south and increasing to 15 to 20 knots. Seas 3 to 4
feet. Nearshore waters a moderate chop, becoming choppy.
.THURSDAY...Southeast to south winds 15 to 20 knots, becoming south
and decreasing to 10 to 15 knots. Seas 2 to 4 feet. Nearshore
waters choppy, becoming a light to moderate chop. Isolated
showers.
.THURSDAY NIGHT...South winds near 10 knots, becoming northwest
to north and increasing to 15 to 20 knots. Seas 2 to 4 feet,
except 3 to 4 feet west of Cosgrove Shoal Light. Nearshore waters
a light chop, becoming choppy. Isolated showers.
.FRIDAY...North winds 15 to 20 knots, becoming north to northeast
and decreasing to 10 to 15 knots. Seas 2 to 3 feet, except 3 to 4
feet west of Cosgrove Shoal Light. Nearshore waters choppy,
becoming a light to moderate chop. Isolated showers.
.FRIDAY NIGHT...North to winds near 15 knots, becoming north to
northeast and increasing to 15 to 20 knots. Seas 2 to 3 feet,
except 3 to 5 feet west of Cosgrove Shoal Light. Nearshore waters
a moderate chop, becoming choppy.
.SATURDAY...North to northeast winds 15 to 20 knots, becoming
northeast to east. Seas 2 to 3 feet, except 3 to 5 feet west of
Cosgrove Shoal Light. Nearshore waters choppy.
.SATURDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
2 to 4 feet. Nearshore waters choppy.

$$

GMZ052>055-072>075-092030-
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-
1028 AM EDT Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...East to southeast winds 20 to 25 knots. Seas 5
to 8 feet.
.TONIGHT...East to southeast winds near 20 knots. Seas 5 to
7 feet.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 5 to
7 feet.
.WEDNESDAY NIGHT...East to southeast winds 15 to 20 knots,
becoming southeast to south. Seas 4 to 6 feet.
.THURSDAY...Southeast to south winds 15 to 20 knots, decreasing
10 to 15 knots. Seas subsiding to 3 to 5 feet. Isolated showers.
.THURSDAY NIGHT...South winds near 10 knots, becoming northwest
to north and increasing to 15 to 20 knots. Seas 2 to 4 feet,
except building to 4 to 5 feet west of Halfmoon Shoal Light.
Isolated showers.
.FRIDAY...Northwest to north winds 15 to 20 knots, becoming north
to northeast and decreasing to near 15 knots. Seas 3 to 5 feet.
Isolated showers.
.FRIDAY NIGHT...North to northeast winds 15 to 20 knots. Seas 4
to 6 feet.
.SATURDAY...North to northeast winds 15 to 20 knots, becoming
northeast to east. Seas 4 to 6 feet.
.SATURDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
4 to 6 feet.

$$

GMZ033-034-092030-
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-
1028 AM EDT Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...East to southeast winds near 20 knots. Seas 4
to 6 feet.
.TONIGHT...East to southeast winds near 20 knots. Seas 4 to 6
feet.
.WEDNESDAY...East to southeast winds near 20 knots, decreasing to 15
to 20 knots. Seas subsiding to 3 to 5 feet.
.WEDNESDAY NIGHT...East to southeast winds 15 to 20 knots,
becoming southeast to south. Seas 3 to 5 feet.
.THURSDAY...Southeast to south winds 15 to 20 knots, becoming
south to southwest and decreasing to 10 to 15 knots. Seas 3 to 5
feet, subsiding to 2 to 4 feet. Isolated showers.
.THURSDAY NIGHT...Southwest to west winds 10 to 15 knots,
becoming northwest to north and increasing to 15 to 20 knots.
Seas 2 to 4 feet, building to 3 to 5 feet. Isolated showers.
.FRIDAY...Northwest to north winds near 20 knots, decreasing to 15
to 20 knots. Seas 4 to 6 feet.
.FRIDAY NIGHT...North to northeast winds near 20 knots. Seas 4 to
6 feet.
.SATURDAY...North to northeast winds near 20 knots, becoming northeast
and decreasing to 10 to 15 knots. Seas 4 to 6 feet, subsiding to 3
to 5 feet.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots,
becoming east and increasing to 15 to 20 knots. Seas 3 to 5 feet.

$$

MJV


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