Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 130820
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
420 AM EDT Sat Apr 13 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.

GMZ005-131500-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
420 AM EDT Sat Apr 13 2024

.SYNOPSIS...A nocturnal surge is ongoing this morning with fresh
northeast breezes and will slacken gradually through the morning
today. Thereafter, high pressure will slide into the western
Atlantic and remain through the remainder of the forecast period
with peaks and lulls expected. A period of moderate to fresh
easterlies is becoming increasingly likely Monday night through
Wednesday.

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

$$

GMZ031-131500-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
420 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...North to northeast winds near 20 knots, becoming
northeast to east near 15 knots. Bay waters rough, becoming a
moderate chop.
.TONIGHT...Northeast to east winds 15 to 20 knots. Bay waters
choppy.
.SUNDAY...Northeast to east winds 15 to 20 knots, decreasing to
near 15 knots. Bay waters choppy, becoming a moderate chop.
.SUNDAY NIGHT...East winds decreasing to 10 to 15 knots. Bay
waters becoming a light to moderate chop.
.MONDAY...East winds increasing to near 15 knots. Bay waters
becoming a moderate chop.
.MONDAY NIGHT...East winds near 15 knots. Bay waters a moderate
chop.
.TUESDAY AND TUESDAY NIGHT...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. Bay waters a
moderate chop.

$$

GMZ032-035-131500-
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 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...Northeast winds near 20 knots, becoming northeast to
east 10 to 15 knots this afternoon. Seas 3 to 5 feet, subsiding to
2 to 3 feet. West of the Marquesas Keys, seas 5 to 6 feet,
subsiding to 3 to 4 feet. Nearshore waters rough, becoming a
light to moderate chop.
.TONIGHT...Northeast to east winds increasing to 15 to 20 knots.
Seas 2 to 3 feet, except 3 to 4 feet west of the Marquesas Keys.
Nearshore waters becoming choppy.
.SUNDAY...East winds 15 to 20 knots, decreasing to near 15 knots
in the afternoon. Seas 2 to 3 feet, except 3 to 4 feet west of the
Marquesas Keys. Nearshore waters choppy, becoming a moderate chop.
.SUNDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop.
.MONDAY...East winds 10 to 15 knots, increasing to near 15 knots
in the afternoon. Seas 1 to 2 feet, except 2 to 3 feet west of
the Marquesas Keys. Nearshore waters a light to moderate chop,
becoming a moderate chop.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas building to 1 to 3
feet, except building to 3 to 4 feet west of the Marquesas Keys.
Nearshore waters choppy.
.TUESDAY...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...East winds near 20 knots. Seas 2 to 3 feet,
except 4 to 5 feet west of the Marquesas Keys. Nearshore waters
rough.
.WEDNESDAY...East to southeast 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 2 to 3 feet.
Nearshore waters choppy, becoming a moderate chop.
.WEDNESDAY NIGHT...East winds near 15 knots. Seas 1 to 2 feet,
except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a
moderate chop.

$$

GMZ042>044-131500-
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 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...North to northeast winds near 20 knots, becoming
northeast to east 15 to 20 knots. Seas 2 to 3 feet, except 4 to 5
feet west of Cosgrove Shoal Light. Nearshore waters rough,
becoming choppy.
.TONIGHT...Northeast to east winds 15 to 20 knots. Seas 2 to
4 feet. Nearshore waters choppy.
.SUNDAY...East winds 15 to 20 knots, decreasing to near 15 knots.
Seas 2 to 4 feet. Nearshore waters choppy, becoming a moderate
chop.
.SUNDAY NIGHT...East winds decreasing to 10 to 15 knots. Seas 2
to 3 feet, except 3 to 4 feet west of Cosgrove Shoal Light.
Nearshore waters becoming a light to moderate chop.
.MONDAY...East winds increasing to near 15 knots. Seas 2 to 3
feet. Nearshore waters becoming a moderate chop.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas building to 2 to
4 feet. Nearshore waters choppy.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, except 4
to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy.
.TUESDAY NIGHT...East winds near 20 knots. Seas 3 to 5 feet.
Nearshore waters rough.
.WEDNESDAY...East to southeast winds 15 to 20 knots, decreasing to
near 15 knots. Seas 3 to 4 feet. Nearshore waters choppy, becoming
a moderate chop.
.WEDNESDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet.
Nearshore waters a moderate chop.

$$

GMZ052>055-072>075-131500-
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 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...North to northeast winds near 20 knots, becoming
northeast to east 15 to 20 knots. Seas 4 to 7 feet, subsiding to 4
to 6 feet.
.TONIGHT AND SUNDAY...Northeast to east winds 15 to 20 knots.
Seas 4 to 6 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots after midnight. Seas 4 to 6 feet, subsiding to 3 to 5 feet.
.MONDAY...East winds near 15 knots. Seas 3 to 5 feet.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet.
.TUESDAY...East winds increasing to near 20 knots. Seas 4 to 6
feet.
.TUESDAY NIGHT...East winds near 20 knots. Seas 5 to 7 feet.
.WEDNESDAY AND WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas
4 to 6 feet.

$$

GMZ033-034-131500-
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 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...North to northeast winds near 20 knots, decreasing to 10
to 15 knots this afternoon. Seas 4 to 6 feet, subsiding to 3 to 5
feet.
.TONIGHT...Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 4 feet.
.SUNDAY...Northeast to east winds 15 to 20 knots, becoming east
to southeast 10 to 15 knots in the afternoon. Seas 2 to 4 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots, increasing to near 15
knots. Seas 2 to 4 feet.
.MONDAY...East winds decreasing to 10 to 15 knots. Seas 2 to 3
feet.
.MONDAY NIGHT...East winds increasing to 15 to 20 knots. Seas
building to 3 to 4 feet.
.TUESDAY...East to southeast winds 15 to 20 knots. Seas building
to 3 to 5 feet.
.TUESDAY NIGHT...East to southeast winds near 20 knots. Seas 3 to
6 feet.
.WEDNESDAY...East to southeast winds 15 to 20 knots, decreasing to
near 15 knots. Seas 3 to 5 feet, subsiding to 2 to 4 feet.
.WEDNESDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet.

$$


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