Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 042020
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
420 PM EDT Sat May 4 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.

GMZ005-050230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
420 PM EDT Sat May 4 2024

.SYNOPSIS...High pressure over the western North Atlantic will
maintain moderate to fresh easterly breezes for the next several
days. Breezes will tend to peak overnight, followed by lulls in
the afternoon.

The Approximate Shoreward Edge of the Gulf Stream as of May 03...

64 NM South of Dry Tortugas Light...on Loggerhead Key.
20 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 9 NM South of Sand Key Light...off Key West.
 8 NM South of Looe Key...off Big Pine Key.
11 NM South of Sombrero Key Light...off Marathon.
 9 NM Southeast of Alligator Reef Light...off Islamorada.
 8 NM Southeast of Molasses Reef Light...off Key Largo.

Gulf Stream Analysis Courtesy of the National Weather Service in
Key West.

$$

GMZ031-050230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
420 PM EDT Sat May 4 2024

.TONIGHT...East winds near 15 knots. Bay waters a moderate chop.
Isolated showers.
.SUNDAY THROUGH MONDAY NIGHT...East winds near 15 knots. Bay
waters a moderate chop. Isolated showers.
.TUESDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Isolated showers.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East to southeast winds
10 to 15 knots. Bay waters a light to moderate chop. Isolated
showers.
.THURSDAY...Southeast winds near 10 knots. Bay waters a light
chop. Isolated showers.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.

$$

GMZ032-035-050230-
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 PM EDT Sat May 4 2024

.TONIGHT...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. Isolated showers.
.SUNDAY...East winds near 15 knots. Seas 1 to 2 feet, except 2 to
3 feet west of the Marquesas Keys. Nearshore waters choppy.
Nearshore waters a moderate chop. Isolated showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 1 to 2 feet,
except 2 to 3 feet west of the Marquesas Keys. Nearshore waters
choppy. Isolated showers.
.MONDAY...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. Isolated showers.
.MONDAY NIGHT AND TUESDAY...East winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.WEDNESDAY...East to southeast winds near 10 knots, increasing to
10 to 15 knots in the afternoon. Seas 1 to 2 feet, except 2 to 3
feet west of the Marquesas Keys. Nearshore waters a light chop,
becoming a light to moderate chop. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys.
Nearshore waters a moderate chop.
.THURSDAY AND THURSDAY NIGHT...Southeast winds 10 to 15 knots.
Seas 1 to 2 feet. Nearshore waters a light to moderate chop.
Isolated showers.

$$

GMZ042>044-050230-
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 PM EDT Sat May 4 2024

.TONIGHT...East winds near 15 knots. Seas 2 to 3 feet. Nearshore
waters a moderate chop. Isolated showers.
.SUNDAY...East winds near 15 knots. Seas 2 to 3 feet. Nearshore
waters a moderate chop. Isolated showers.
.SUNDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots. Seas 2 to 4 feet. Nearshore waters choppy, becoming a
moderate chop. Isolated showers.
.MONDAY AND MONDAY NIGHT...East winds near 15 knots. Seas 2 to 4
feet. Nearshore waters a moderate chop. Isolated showers.
.TUESDAY...East to southeast winds 10 to 15 knots. Seas 2 to 3
feet. Nearshore waters a light to moderate chop. Isolated showers.
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.WEDNESDAY...East to southeast 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. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds 15 to 20 knots. Seas 2
to 4 feet. Nearshore waters choppy.
.THURSDAY...Southeast winds near 15 knots, decreasing to 10 to 15
knots. Seas 2 to 3 feet. Nearshore waters a moderate chop,
becoming a light to moderate chop. Isolated showers.
.THURSDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ052>055-072>075-050230-
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 PM EDT Sat May 4 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Isolated
showers.
.SUNDAY THROUGH MONDAY NIGHT...East winds 15 to 20 knots. Seas 3
to 5 feet. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Isolated
showers.
.TUESDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to
4 feet. Isolated showers.
.WEDNESDAY...East to southeast winds near 15 knots, increasing to
15 to 20 knots. Seas 2 to 4 feet. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds 15 to 20 knots,
decreasing to near 15 knots. Seas 3 to 5 feet.
.THURSDAY...East to southeast winds near 15 knots, decreasing to 10
to 15 knots. Seas 2 to 4 feet. Isolated showers.
.THURSDAY NIGHT...East to southeast winds near 15 knots. Seas
2 to 4 feet. Isolated showers.

$$

GMZ033-034-050230-
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 PM EDT Sat May 4 2024

.TONIGHT...East winds 10 to 15 knots, increasing to near 15 knots.
Seas 2 to 3 feet. Isolated showers.
.SUNDAY...East winds near 15 knots. Seas 2 to 3 feet. Isolated
showers.
.SUNDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to
3 feet. Isolated showers.
.MONDAY AND MONDAY NIGHT...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet. Isolated showers.
.TUESDAY...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.
.TUESDAY NIGHT AND WEDNESDAY...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds near 15 knots. Seas 2 to 3
feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to
2 feet.

$$

DP