Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 080825
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
425 AM EDT Wed May 8 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.

GMZ005-081430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
425 AM EDT Wed May 8 2024

.SYNOPSIS...High pressure over the western North Atlantic will
maintain moderate to occasionally fresh east to southeast breezes
through Thursday night. Breezes will slacken and veer to the south
and southwest Friday into the weekend, as the high shifts
southward over the western Atlantic, and a weak frontal boundary
stalls north of the Florida Keys coastal waters.

The Approximate Shoreward Edge of the Gulf Stream as of May 3...

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.

$$

GMZ031-081430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
425 AM EDT Wed May 8 2024

.TODAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop.
.TONIGHT...East to southeast winds near 15 knots, becoming
southeast after midnight. Bay waters a moderate chop.
.THURSDAY...Southeast winds 10 to 15 knots, decreasing to near 10
knots in the afternoon. Bay waters a light to moderate chop,
becoming a light chop.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming
southeast to south after midnight. Bay waters a light to moderate
chop.
.FRIDAY...Southeast to south winds near 10 knots, becoming south
to southwest 5 to 10 knots in the afternoon. Bay waters a light
chop, becoming smooth to a light chop.
.FRIDAY NIGHT...Southwest to west winds near 5 knots. Bay waters
smooth. Isolated showers.
.SATURDAY...Southwest to west winds 5 to 10 knots, becoming west
10 to 15 knots in the afternoon. Bay waters smooth to a light
chop, becoming a light to moderate chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots,
becoming northwest near 10 knots. Bay waters a light to moderate
chop, becoming a light chop. Isolated showers.
.SUNDAY...Northwest winds near 5 knots, becoming south in the
afternoon. Bay waters smooth. Isolated showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop. Isolated showers.

$$

GMZ032-035-081430-
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-
425 AM EDT Wed May 8 2024

.TODAY...East to southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming a moderate chop.
.TONIGHT...East to southeast winds 15 to 20 knots, becoming
southeast after midnight. Seas 1 to 2 feet, except 2 to 3 feet
west of the Marquesas Keys. Nearshore waters choppy.
.THURSDAY...Southeast winds near 15 knots, becoming east to
southeast near 10 knots in the afternoon. Seas 1 to 2 feet,
subsiding to around 1 foot. West of the Marquesas Keys, seas 2 to
3 feet, subsiding to 1 to 2 feet. Nearshore waters a moderate
chop, becoming a light chop.
.THURSDAY NIGHT...East to southeast winds 10 to 15 knots,
becoming southeast to south after midnight. Seas around 1 foot,
except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a
light to moderate chop.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas subsiding
to 1 foot or less. Nearshore waters a light chop, becoming smooth
to a light chop.
.FRIDAY NIGHT...West winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, increasing to near 10 knots
in the afternoon. Seas 1 foot or less. Nearshore waters smooth to
a light chop, becoming a light chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds near 10 knots, becoming
northwest. Seas around 1 foot. Nearshore waters a light chop.
Isolated showers.
.SUNDAY...North winds near 5 knots, becoming variable in the
afternoon. Seas 1 foot or less. Nearshore waters smooth. Isolated
showers.
.SUNDAY NIGHT...Northeast to east winds near 5 knots, becoming
southeast 5 to 10 knots after midnight. Seas 1 foot or less.
Nearshore waters smooth, becoming smooth to a light chop.
Isolated showers.

$$

GMZ042>044-081430-
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-
425 AM EDT Wed May 8 2024

.TODAY...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.
.TONIGHT...East to southeast winds 15 to 20 knots, becoming
southeast after midnight. Seas 2 to 4 feet. Nearshore waters
choppy.
.THURSDAY...Southeast winds near 15 knots, becoming east to
southeast near 10 knots in the afternoon. Seas 2 to 3 feet,
subsiding to around 2 feet. Nearshore waters a moderate chop,
becoming a light chop.
.THURSDAY NIGHT...East to southeast winds 10 to 15 knots,
becoming southeast near 15 knots. Seas around 2 feet, building to
2 to 3 feet. Nearshore waters a light to moderate chop, becoming a
moderate chop.
.FRIDAY...Southeast to south winds 10 to 15 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas around 2
feet, subsiding to around 1 foot. Nearshore waters a light to
moderate chop, becoming smooth to a light chop.
.FRIDAY NIGHT...Southwest to west winds near 5 knots. Seas around
1 foot. Nearshore waters smooth. Isolated showers.
.SATURDAY...Southwest to west winds 5 to 10 knots, becoming west
10 to 15 knots in the afternoon. Seas around 1 foot, building to 1
to 2 feet. Nearshore waters smooth to a light chop, becoming
a light to moderate chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots, becoming
northwest near 10 knots. Seas 1 to 2 feet, subsiding to around 1
foot. Nearshore waters a light to moderate chop, becoming a light
chop. Isolated showers.
.SUNDAY...North to northeast winds near 5 knots, becoming variable
in the afternoon. Seas 1 foot or less. Nearshore waters smooth.
Isolated showers.
.SUNDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Nearshore waters
smooth to a light chop. Isolated showers.

$$

GMZ052>055-072>075-081430-
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-
425 AM EDT Wed May 8 2024

.TODAY...East to southeast winds near 15 knots. Seas 3 to 4 feet.
.TONIGHT...East to southeast winds 15 to 20 knots, becoming
southeast after midnight. Seas 3 to 5 feet.
.THURSDAY...Southeast winds near 15 knots, becoming east to
southeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet,
subsiding to 2 to 3 feet.
.THURSDAY NIGHT...East to southeast winds near 15 knots, becoming
southeast. Seas 3 to 4 feet.
.FRIDAY...Southeast to south winds 10 to 15 knots, becoming
variable 5 to 10 knots in the afternoon. Seas 2 to 3 feet,
subsiding to 1 to 2 feet.
.FRIDAY NIGHT...Variable winds near 5 knots, becoming southwest to
west after midnight. Seas 1 to 2 feet. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, except increasing to 10 to
15 knots in the afternoon east of Craig Key. Seas 1 to 2 feet.
Isolated showers.
.SATURDAY NIGHT...West to northwest winds 10 to 15 knots, becoming
northwest near 10 knots. Seas 1 to 2 feet. Isolated showers.
.SUNDAY...North winds 5 to 10 knots, becoming northeast to east
in the afternoon. Seas 1 to 2 feet. Isolated showers.
.SUNDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
southeast near 10 knots after midnight. Seas 1 to 2 feet.
Isolated showers.

$$

GMZ033-034-081430-
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-
425 AM EDT Wed May 8 2024

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TONIGHT...Southeast winds 15 to 20 knots, decreasing to near 15
knots after midnight. Seas 2 to 4 feet.
.THURSDAY...Southeast winds near 15 knots, decreasing to near 10
knots in the afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming
southeast to south after midnight. Seas around 2 feet.
.FRIDAY...Southeast to south winds near 10 knots, becoming
southwest to west near 5 knots in the afternoon. Seas 1 to 2
feet.
.FRIDAY NIGHT...West to northwest winds near 5 knots. Seas around
1 foot. Isolated showers.
.SATURDAY...West winds 5 to 10 knots, increasing to near 10 knots
in the afternoon. Seas around 1 foot. Isolated showers.
.SATURDAY NIGHT...West to northwest winds near 10 knots, becoming
northwest to north 5 to 10 knots after midnight. Seas 1 to 2
feet. Isolated showers.
.SUNDAY...Northeast to east winds near 5 knots. Seas 1 to 2 feet.
Isolated showers.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming east to
southeast after midnight. Seas around 1 foot. Isolated showers.

$$