Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 230227
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1027 PM EDT Mon Apr 22 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.

GMZ005-230830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1027 PM EDT Mon Apr 22 2024

.SYNOPSIS...A weak front will continue to move through the
Florida Keys coastal waters overnight. Fresh to strong breezes
will clock around to the northeast before sunrise, with moderate
northeast to east breezes prevailing from late Tuesday night
through Thursday. Strengthening high pressure over the western
North Atlantic will produce fresh to strong easterly breezes to
the Keys marine zones beginning Friday, lasting through much of
next weekend.

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

$$

GMZ031-230830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.OVERNIGHT...Northwest to north winds 15 to 20 knots, becoming
northeast. Bay waters choppy. Isolated showers.
.TUESDAY...Northeast to east winds 15 to 20 knots. Bay waters
choppy.
.TUESDAY NIGHT...Northeast to east winds near 15 knots, becoming
east and decreasing to 10 to 15 knots. Bay waters a moderate chop,
becoming a light to moderate chop.
.WEDNESDAY...East winds 10 to 15 knots, increasing to near 15
knots. Bay waters a light to moderate chop, becoming a moderate
chop.
.WEDNESDAY NIGHT...Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Bay waters a light to moderate chop, becoming a
moderate chop.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Bay
waters a moderate chop.
.FRIDAY...East winds 15 to 20 knots, increasing to near 20 knots.
Bay waters choppy, becoming rough.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds near 20 knots.
Bay waters rough.

$$

GMZ032-035-230830-
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-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.OVERNIGHT...Northwest to north winds 15 to 20 knots, becoming
northeast. Seas 2 to 3 feet, except 3 to 4 feet west of the
Marquesas Keys. Nearshore waters choppy.
.TUESDAY...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.
.TUESDAY NIGHT...Northeast to east winds near 15 knots. Seas
subsiding to 2 to 3 feet. Nearshore waters a moderate chop.
.WEDNESDAY...East winds 10 to 15 knots. Seas subsiding to 1 to 2
feet. Nearshore waters a light to moderate chop.
.WEDNESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Seas building to 2 to 3 feet. Nearshore waters a
light to moderate chop, becoming a moderate chop.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2
to 3 feet, except building to around 3 feet west of the Marquesas
Keys. Nearshore waters choppy.
.FRIDAY...Northeast to east winds near 15 knots, becoming east and
increasing to near 20 knots. Seas 2 to 3 feet, except 3 to 4 feet
west of the Marquesas Keys. Nearshore waters a moderate chop,
becoming rough.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds 20 to 25 knots.
Seas 2 to 4 feet, except building to 4 to 6 feet west of the
Marquesas Keys. Nearshore waters very rough.

$$

GMZ042-230830-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.OVERNIGHT...North to northeast winds 15 to 20 knots, becoming
northeast and increasing to near 20 knots. Seas 1 to 3 feet,
building to 2 to 4 feet. Nearshore waters choppy, becoming rough.
Isolated showers.
.TUESDAY...Northeast to east winds 15 to 20 knots, decreasing to
near 15 knots. Seas 2 to 4 feet. Nearshore waters choppy,
becoming a moderate chop.
.TUESDAY NIGHT...Northeast to east winds near 15 knots,
decreasing to 10 to 15 knots. Seas subsiding to 2 to 3 feet.
Nearshore waters a moderate chop, becoming a light to moderate
chop.
.WEDNESDAY AND WEDNESDAY NIGHT...Northeast to east winds 10 to 15
knots. Seas around 2 feet. Nearshore waters a light to moderate
chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet. Nearshore waters a light to
moderate chop, becoming a moderate chop.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Seas 2
to 3 feet. Nearshore waters a moderate chop.
.FRIDAY...East winds near 15 knots, increasing to near 20 knots.
Seas building to 2 to 4 feet. Nearshore waters a moderate chop,
becoming rough.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds near 20 knots.
Seas 3 to 5 feet. Nearshore waters rough.

$$

GMZ043-044-230830-
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-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.OVERNIGHT...Northwest to north winds 15 to 20 knots, becoming
northeast to east. Seas building to 2 to 3 feet, except building
to 3 to 4 feet west of Cosgrove Shoal Light. Nearshore waters
choppy.
.TUESDAY...Northeast to east winds 15 to 20 knots. Seas 2 to
4 feet. Nearshore waters choppy. Isolated showers.
.TUESDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet.
Nearshore waters a moderate chop.
.WEDNESDAY...Northeast to east winds 10 to 15 knots. Seas
2 to 3 feet. Nearshore waters a light to moderate chop.
.WEDNESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, becoming east
and increasing to near 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop, becoming a moderate chop.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2
to 4 feet. Nearshore waters choppy.
.FRIDAY...East winds 15 to 20 knots, increasing to near 20 knots.
Seas 2 to 4 feet, building to 3 to 5 feet. Nearshore waters
choppy, becoming rough.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds near 20 knots.
Seas 3 to 5 feet. Nearshore waters rough.

$$

GMZ052-072-230830-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.OVERNIGHT...North to northeast winds 15 to 20 knots, becoming
northeast and increasing to near 20 knots. Seas 2 to 4 feet,
building to 4 to 6 feet. Isolated showers.
.TUESDAY...Northeast to east winds near 20 knots, decreasing to 15
to 20 knots. Seas subsiding to 3 to 5 feet. Isolated showers.
.TUESDAY NIGHT...Northeast to east winds 15 to 20 knots,
decreasing to near 15 knots. Seas 3 to 4 feet. Isolated showers.
.WEDNESDAY AND WEDNESDAY NIGHT...Northeast to east winds near 15
knots. Seas 3 to 4 feet.
.THURSDAY...Northeast to east winds near 15 knots, increasing to 15
to 20 knots. Seas 3 to 5 feet.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
building to 4 to 6 feet.
.FRIDAY...Northeast to east winds 15 to 20 knots, increasing to
near 20 knots. Seas 5 to 6 feet.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds 20 to 25 knots.
Seas 5 to 7 feet.

$$

GMZ053>055-073>075-230830-
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 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-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.OVERNIGHT...Northwest to north winds 15 to 20 knots, becoming
northeast. Seas 2 to 4 feet. Isolated showers.
.TUESDAY...Northeast to east winds 15 to 20 knots. Seas building
to 4 to 6 feet. Isolated showers.
.TUESDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots. Seas 4 to 6 feet, subsiding to 3 to 5 feet. Isolated
showers.
.WEDNESDAY AND WEDNESDAY NIGHT...Northeast to east winds near 15
knots. Seas 3 to 4 feet. Isolated showers.
.THURSDAY...Northeast to east winds near 15 knots, increasing to 15
to 20 knots. Seas 3 to 5 feet.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
building to 4 to 6 feet.
.FRIDAY...Northeast to east winds 15 to 20 knots, increasing to
near 20 knots. Seas 5 to 6 feet.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds 20 to 25 knots.
Seas 5 to 7 feet.

$$

GMZ033-034-230830-
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-
1027 PM EDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.OVERNIGHT...Northwest to north winds 15 to 20 knots, becoming
northeast and increasing to near 20 knots. Seas 4 to 5 feet.
.TUESDAY...Northeast to east winds 15 to 20 knots, decreasing to
10 to 15 knots. Seas 4 to 5 feet, subsiding to 3 to 4 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots, increasing to near 15
knots. Seas 2 to 4 feet.
.WEDNESDAY...East winds near 15 knots, decreasing to 10 to 15
knots. Seas 2 to 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2
to 3 feet.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet.
.THURSDAY NIGHT...East winds near 15 knots, increasing to 15 to
20 knots. Seas building to 2 to 4 feet.
.FRIDAY...East winds 15 to 20 knots, increasing to near 20 knots.
Seas 2 to 4 feet, building to 3 to 5 feet.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...East winds 20 to 25 knots.
Seas 4 to 6 feet.

$$

BT/NB


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