069
FZUS52 KKEY 200824
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
424 AM EDT Sat Jul 20 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.

Wave Detail will include details about the period and direction
of origin for the highest energy waves. Long-period swells coming
from a different direction than the wind would be included in the
Wave Detail.

GMZ005-201430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
424 AM EDT Sat Jul 20 2024

.SYNOPSIS...Atlantic ridging will remain across the Florida
Peninsula through the weekend, with gentle to moderate east to
southeast breezes continuing across the Keys coastal waters.
A tropical wave is forecast to move through the area Sunday night
and Monday, bringing an increase in rain and thunder chances.
Gentle to moderate east to southeast breezes will resume behind
the wave through the middle of next week, as the Atlantic ridge
remains in place.

The Approximate Shoreward Edge of the Gulf Stream as of July 18...

66 NM South of Dry Tortugas Light...on Loggerhead Key.
32 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
31 NM South of Sand Key Light...off Key West.
 8 NM South of Looe Key...off Big Pine Key.
 5 NM South of Sombrero Key Light...off Marathon.
 6 NM Southeast of Alligator Reef Light...off Islamorada.
 4 NM Southeast of Molasses Reef Light...off Key Largo.

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

$$

GMZ031-201430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
424 AM EDT Sat Jul 20 2024

.TODAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Scattered showers and isolated
thunderstorms this morning, then isolated showers and
thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Isolated showers and thunderstorms.
.SUNDAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers and thunderstorms in the
morning, then scattered showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots, becoming
southeast near 10 knots after midnight. Bay waters a light to
moderate chop, becoming a light chop. Numerous showers and
scattered thunderstorms.
.MONDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Numerous showers and scattered thunderstorms.
.MONDAY NIGHT AND TUESDAY...East to southeast winds 10 to 15
knots. Bay waters a light to moderate chop. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 10 to 15
knots. Bay waters a light to moderate chop. Scattered showers and
isolated thunderstorms.

$$

GMZ032-035-201430-
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-
424 AM EDT Sat Jul 20 2024

.TODAY...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Scattered showers and
isolated thunderstorms.
.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 and thunderstorms.
.SUNDAY...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. Isolated showers and thunderstorms in the
morning, then scattered showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots, becoming
southeast after midnight. Seas 1 to 2 feet. Nearshore waters a
light to moderate chop. Numerous showers and scattered
thunderstorms.
.MONDAY...East to southeast winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.MONDAY NIGHT AND TUESDAY...East to southeast winds 10 to 15
knots. Seas 1 to 2 feet. Nearshore waters a light to moderate
chop. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT THROUGH 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. Scattered showers and
isolated thunderstorms.

$$

GMZ042>044-201430-
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-
424 AM EDT Sat Jul 20 2024

.TODAY...East to southeast winds 10 to 15 knots. Seas around
2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms this morning, then isolated
showers and thunderstorms this afternoon.
.TONIGHT...East winds near 15 knots. Seas 2 to 3 feet. Nearshore
waters a moderate chop. Isolated showers and thunderstorms.
.SUNDAY...East to southeast winds near 15 knots, decreasing to 10
to 15 knots. Seas 2 to 3 feet, subsiding to around 2 feet.
Nearshore waters a moderate chop, becoming a light to moderate
chop. Isolated showers and thunderstorms in the morning, then
scattered showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots, becoming
southeast after midnight. Seas around 2 feet. Nearshore waters a
light to moderate chop. Numerous showers and scattered
thunderstorms.
.MONDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.MONDAY NIGHT AND TUESDAY...East to southeast winds 10 to 15
knots. Seas around 2 feet. Nearshore waters a light to moderate
chop. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds near 15
knots. Seas 2 to 3 feet. Nearshore waters a moderate chop.
Scattered showers and isolated thunderstorms.

$$

GMZ052>055-072>075-201430-
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-
424 AM EDT Sat Jul 20 2024

.TODAY...East to southeast winds near 15 knots, becoming east this
afternoon. Seas 3 to 4 feet. Wave Detail: East to southeast 3
feet at 5 seconds. Scattered showers and isolated thunderstorms
this morning, then isolated showers and thunderstorms this
afternoon.
.TONIGHT...East winds near 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds.
Scattered showers and isolated thunderstorms.
.SUNDAY...East to southeast winds near 15 knots, decreasing to 10
to 15 knots. Seas 3 to 4 feet, subsiding to 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. Scattered showers and isolated
thunderstorms in the morning, then numerous showers and scattered
thunderstorms in the afternoon.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots, becoming
southeast after midnight. Seas 2 to 3 feet. Numerous showers and
scattered thunderstorms.
.MONDAY...East to southeast winds near 10 knots. Seas around
2 feet. Scattered showers and thunderstorms.
.MONDAY NIGHT...East to southeast winds increasing to near 15
knots. Seas building to 3 to 4 feet. Isolated showers and
thunderstorms.
.TUESDAY...East to southeast winds near 15 knots. Seas 3 to 4
feet. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds near 15
knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers
and isolated thunderstorms.

$$

GMZ033-034-201430-
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-
424 AM EDT Sat Jul 20 2024

.TODAY...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 2 feet at 3 seconds.
Scattered showers and isolated thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East to southeast 2 feet at 3 seconds. Scattered showers
and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds. Scattered showers and
thunderstorms.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots, becoming
southeast after midnight. Seas 1 to 2 feet. Numerous showers and
scattered thunderstorms.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Numerous showers and scattered thunderstorms.
.MONDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms.
.TUESDAY...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds increasing to near 15 knots. Seas
around 2 feet. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East to southeast winds 10 to 15 knots. Seas around
2 feet. Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
2 to 3 feet. Scattered showers and isolated thunderstorms.

$$