174
FZUS52 KKEY 142019
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
419 PM EDT Wed May 14 2025

Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef
to south of Dry Tortugas, and the extreme southeastern Gulf of
America, 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.

GMZ005-150830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
419 PM EDT Wed May 14 2025

.SYNOPSIS...Light to gentle east to southeasterly breezes will
dominate conditions across the Florida Keys waters for the
upcoming days. Shower coverage will remain sparse through the
weekend. Expect a day and night cycle of breezes freshening
overnight and slackening during the day. Occasional periods of
variable winds are possible.

The Approximate Shoreward Edge of the Gulf Stream as of May
10th...

22 NM South of Dry Tortugas Light...on Loggerhead Key.
 8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 6 NM South of Sand Key Light...off Key West.
 5 NM South of Looe Key...off Big Pine Key.
 7 NM South of Sombrero Key Light...off Marathon.
12 NM Southeast of Alligator Reef Light...off Islamorada.
 8 NM Southeast of Molasses Reef Light...off Key Largo.
 2 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-150830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
419 PM EDT Wed May 14 2025

.TONIGHT...East to southeast winds near 5 knots. Bay waters
smooth.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Bay waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Bay waters a
light chop.
.SATURDAY...Southeast winds near 10 knots. Bay waters a light
chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop.
.SUNDAY AND SUNDAY NIGHT...East to southeast winds 5 to 10 knots.
Bay waters smooth to a light chop.
.MONDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop. Isolated showers.

$$

GMZ032-035-150830-
Bayside and Gulfside from Craig Key to west end of Seven Mile
Bridge-
Gulf of America from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
419 PM EDT Wed May 14 2025

.TONIGHT...East winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop.
.THURSDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light chop.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas around 1 foot, except 1 to 2 feet west of
the Marquesas Keys. Nearshore waters a light chop, becoming a
light to moderate chop.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 1 foot,
except 1 to 2 feet west of the Marquesas Keys. Nearshore waters
smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop.
.SUNDAY...Southeast winds near 10 knots. Seas around 1 foot, except
1 to 2 feet west of the Marquesas Keys. Nearshore waters a light
chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Seas around
1 foot, except 1 to 2 feet west of the Marquesas keys. Nearshore
waters a light chop.
.MONDAY...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Seas around 1 foot. Nearshore waters a light chop,
becoming a smooth to a light chop. Isolated showers.
.MONDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop.

$$

GMZ042>044-150830-
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-
419 PM EDT Wed May 14 2025

.TONIGHT...Variable winds 5 to 10 knots, becoming east. Seas
around 1 foot. Nearshore waters smooth to a light chop.
.THURSDAY...East winds 5 to 10 knots, increasing to near 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop,
becoming a light chop.
.THURSDAY NIGHT AND FRIDAY...East to southeast winds near 10
knots. Seas 1 to 2 feet. Nearshore waters a light chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Nearshore waters a light to moderate chop.
.SATURDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a
light to moderate chop, becoming a light chop.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
building to 2 to 3 feet. Nearshore waters a light to moderate
chop.
.SUNDAY...East to southeast winds near 10 knots. Seas subsiding to
1 to 2 feet. Nearshore waters a light chop.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop.
.MONDAY...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Seas subsiding to 1 to 2 foot. Nearshore waters a light
chop, becoming smooth to a light chop. Isolated showers.
.MONDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated
showers.

$$

GMZ052>055-072>075-150830-
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-
419 PM EDT Wed May 14 2025

.TONIGHT...Variable winds 5 to 10 knots, becoming east. Seas 1 to
2 feet. Wave Detail: East 1 foot at 3 seconds and west to
northwest 1 foot at 6 seconds. Isolated showers.
.THURSDAY...East winds near 10 knots, increasing to 10 to 15
knots. Seas 1 to 2 feet, building to 2 to 3 feet. Wave Detail:
East 2 feet at 4 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 4 seconds.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT AND SATURDAY...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...East to southeast winds 10
to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.
.MONDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Isolated
showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Isolated showers.

$$

GMZ033-034-150830-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
419 PM EDT Wed May 14 2025

.TONIGHT...Northeast to east winds near 5 knots. Seas around 1
foot. Wave Detail: West to northwest 1 foot at 6 seconds.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas around
1 foot. Wave Detail: East to southeast 1 foot at 2 seconds and
west to northwest 1 foot at 5 seconds.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Wave Detail: Southeast 1 foot at 3 seconds and
west to northwest 1 foot at 5 seconds.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet.
.FRIDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 1 to 3 feet.
.SATURDAY...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas 1 to 2 feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas building to 2 to 3 feet.
.SUNDAY...East to southeast winds 5 to 10 knots. Seas 2 to 3
feet, subsiding to 1 to 2 feet.
.SUNDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet, building to 1 to 3 feet.
.MONDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet. Isolated showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.

$$

AJP/LIW