Coastal Waters Forecast
Issued by NWS Key West, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
763
FZUS52 KKEY 150228
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1028 PM EDT Fri Jun 14 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.

GMZ005-150830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 PM EDT Fri Jun 14 2024

.SYNOPSIS...Breezes will diminish on Saturday, followed by
diminished rain and thunder chances Sunday night and Monday.
Meanwhile, breezes will freshen Sunday night through Monday
night as high pressure builds over the southeastern United States
and the extreme western North Atlantic. Fresh easterly breezes
will continue through Wednesday night as low pressure slides west
across the southwestern Gulf of Mexico.

The Approximate Shoreward Edge of the Gulf Stream as of June 12...

66 NM South of Dry Tortugas Light...on Loggerhead Key.
24 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
17 NM South of Sand Key Light...off Key West.
28 NM South of Looe Key...off Big Pine Key.
8  NM South of Sombrero Key Light...off Marathon.
4  NM South of Alligator Reef Light...off Islamorada.
2  NM South of Molasses Reef Light...off Key Largo.

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

$$

GMZ031-150830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1028 PM EDT Fri Jun 14 2024

.OVERNIGHT...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and isolated
thunderstorms.
.SATURDAY...South winds near 5 knots, becoming east to southeast in
the afternoon. Bay waters smooth. Scattered showers and isolated
thunderstorms.
.SATURDAY NIGHT...East winds 5 to 10 knots, increasing to near 10
knots. Bay waters smooth to a light chop, becoming a light chop.
Isolated showers and thunderstorms.
.SUNDAY...East winds near 10 knots. Bay waters a light chop.
Isolated showers and thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT AND TUESDAY...East winds near 15 knots. Bay waters
a moderate chop. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 15 to 20
knots. Bay waters choppy. Scattered showers and isolated
thunderstorms.

$$

GMZ032-035-150830-
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-
1028 PM EDT Fri Jun 14 2024

.OVERNIGHT...Southeast to south winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Scattered showers
and isolated thunderstorms.
.SATURDAY...South winds 5 to 10 knots, becoming east to southeast
in the afternoon. Seas 1 foot or less. Nearshore waters smooth to
a light chop. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers and
thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore
waters a light to moderate chop. Isolated showers and
thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 1 to 3 feet.
Nearshore waters a moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds 10 to 15 knots, increasing to near 15 knots.
Seas 1 to 3 feet. Nearshore waters a light to moderate chop,
becoming a moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...East winds 15 to 20 knots.
Seas 2 to 3 feet, except 3 to 4 feet, occasionally to 5 feet west
of the Marquesas Keys. Nearshore waters choppy. Scattered showers
and isolated thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas
2 to 4 feet, except 3 to 5 feet, occasionally to 6 feet west of
the Marquesas Keys. Nearshore waters choppy. Scattered showers and
isolated thunderstorms.

$$

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-
1028 PM EDT Fri Jun 14 2024

.OVERNIGHT...South winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.
.SATURDAY...South winds 5 to 10 knots, becoming east to southeast.
Seas around 1 foot. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers and thunderstorms.
.SUNDAY...East 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 and thunderstorms.
.SUNDAY NIGHT...Northeast to east winds near 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Nearshore waters a moderate chop.
Scattered showers and isolated thunderstorms.
.MONDAY...East winds near 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Nearshore waters a moderate chop.
Scattered showers and isolated thunderstorms.
.MONDAY NIGHT AND TUESDAY...East winds 15 to 20 knots. Seas 3 to
4 feet, occasionally to 5 feet. Nearshore waters choppy. Scattered
showers and isolated thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 15 to 20
knots. Seas 3 to 4 feet, occasionally to 5 feet, except 4 to 5
feet, occasionally to 6 feet west of Cosgrove Shoal Light.
Nearshore waters choppy. Scattered showers and isolated
thunderstorms.

$$

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-
1028 PM EDT Fri Jun 14 2024

.OVERNIGHT...Southeast to south winds 5 to 10 knots. Seas 1 to 2
feet. Wave Detail: Southwest 1 foot at 3 seconds and northeast to
east 1 foot at 2 seconds. Scattered showers and isolated
thunderstorms.
.SATURDAY...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1
foot at 3 seconds. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots,
increasing to near 15 knots. Seas 2 to 3 feet, building to 3 to 4
feet. Wave Detail: East 3 feet at 4 seconds and northeast 1 foot
at 3 seconds. Scattered showers and isolated thunderstorms.
.SUNDAY AND SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5
feet, occasionally to 6 feet. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT AND TUESDAY...East winds 15 to 20 knots. Seas 4 to
5 feet, occasionally to 6 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 15 to 20
knots. Seas 4 to 6 feet, occasionally to 7 feet. Scattered showers
and isolated thunderstorms.

$$

GMZ033-034-150830-
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-
1028 PM EDT Fri Jun 14 2024

.OVERNIGHT...South winds near 10 knots, becoming southeast 10 to
15 knots. Seas 1 to 3 feet. Wave Detail: South to southwest 2
feet at 4 seconds. Scattered showers and isolated thunderstorms.
.SATURDAY...Southeast to south near 10 knots, becoming east to
southeast 5 to 10 knots in the afternoon. Seas 1 to 2 feet. Wave
Detail: Southwest 1 foot at 4 seconds and north to northeast 1
foot at 2 seconds. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and
southwest to west 1 foot at 4 seconds. Scattered showers and
isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Isolated showers and thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT AND TUESDAY...East to southeast winds 15 to 20
knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers
and isolated thunderstorms. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 15 to 20
knots. Seas 4 to 6 feet, occasionally to 7 feet. Scattered
showers and isolated thunderstorms.

$$

CLR