Coastal Waters Forecast
Issued by NWS Key West, FL

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372
FZUS52 KKEY 090219
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1019 PM EDT Sat Jun 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.

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.

GMZ005-090830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1019 PM EDT Sat Jun 8 2024

.SYNOPSIS...The pattern will feature weak high pressure over the
western North Atlantic and a frontal boundary stalled over
northern Florida. This will result in light to gentle southerly
breezes across the Keys coastal waters tonight through Monday.
Freshening breezes and an extended period of unsettled weather
may begin as early as Tuesday and will persist through Thursday
night.

The Approximate Shoreward Edge of the Gulf Stream as of June 4,
2024...

57 NM South of Dry Tortugas Light...on Loggerhead Key.
41 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
38 NM South of Sand Key Light...off Key West.
37 NM South of Looe Key...off Big Pine Key.
33 NM South of Sombrero Key Light...off Marathon.
7  NM South of Alligator Reef Light...off Islamorada.
5  NM South of Molasses Reef Light...off Key Largo.

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

$$

GMZ031-090830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1019 PM EDT Sat Jun 8 2024

.OVERNIGHT...South to southwest 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...South to southwest winds near 10 knots, decreasing to
near 5 knots. Bay waters a light chop, becoming smooth. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming south to southwest
10 to 15 knots after midnight. Bay waters smooth to a light chop,
becoming a light to moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...South to southwest winds near 10 knots. Bay waters a
light chop. Scattered showers and thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and thunderstorms.
.TUESDAY...Southeast to south winds near 10 knots. Bay waters a
light chop. Numerous showers and scattered thunderstorms.
.TUESDAY NIGHT...Southeast to south winds near 15 knots. Bay
waters a moderate chop. Numerous showers and scattered
thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...Southeast winds near 15 knots.
Bay waters a moderate chop. Numerous showers and scattered
thunderstorms.
.THURSDAY...Southeast winds 15 to 20 knots. Bay waters choppy.
Numerous showers and scattered thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters
choppy. Scattered showers and thunderstorms.

$$

GMZ032-035-090830-
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-
1019 PM EDT Sat Jun 8 2024

.OVERNIGHT...South to southwest winds 5 to 10 knots, increasing to
near 10 knots. Seas 1 foot or less, building to around 1 foot.
Nearshore waters smooth to a light chop, becoming a light chop.
Isolated showers and thunderstorms.
.SUNDAY...South to southwest winds near 10 knots, decreasing to
near 5 knots. Seas around 1 foot, subsiding to 1 foot or less.
Nearshore waters a light chop, becoming smooth. Scattered showers
and isolated thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 1 foot or less, building to 1 to 2
feet. Nearshore waters smooth to a light chop, becoming a light
to moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY...South winds near 10 knots. Seas around 1 foot.
Nearshore waters a light chop. Scattered showers and
thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Scattered showers and
thunderstorms.
.TUESDAY...Southeast to south winds near 15 knots. Seas 1 to 2
feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters a moderate chop. Numerous showers and scattered
thunderstorms.
.TUESDAY NIGHT...Southeast to south winds near 15 knots. Seas 1
to 2 feet, except 2 to 3 feet west of the Marquesas Keys.
Nearshore waters a moderate chop. Numerous showers and scattered
thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...Southeast 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. Numerous showers
and scattered thunderstorms.
.THURSDAY...Southeast 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. Numerous showers and scattered
thunderstorms.
.THURSDAY NIGHT...Southeast to south 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
thunderstorms.

$$

GMZ042>044-090830-
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-
1019 PM EDT Sat Jun 8 2024

.OVERNIGHT...South to southwest winds 5 to 10 knots, increasing to
near 10 knots. Seas around 1 foot, building 1 to 2 feet. Nearshore
waters smooth to a light chop, becoming a light chop. Isolated
showers and thunderstorms.
.SUNDAY...South winds near 10 knots, decreasing to 5 to 10 knots.
Seas 1 to 2 feet, subsiding to around 1 foot. Nearshore waters a
light chop, becoming smooth to a light chop. Scattered showers and
isolated thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to 15
knots after midnight. Seas around 1 foot, building to 1 to 3
feet. Nearshore waters smooth to a light chop, becoming a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY...South winds near 10 knots. Seas 1 to 2 feet. Nearshore
waters a light chop. Scattered showers and thunderstorms.
.MONDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas 1
to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and thunderstorms.
.TUESDAY...Southeast to south winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop. Numerous showers and
scattered thunderstorms.
.TUESDAY NIGHT...Southeast winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Numerous showers and scattered
thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...Southeast winds 15 to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy.
Numerous showers and scattered thunderstorms.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Nearshore waters choppy. Numerous showers
and scattered thunderstorms.
.THURSDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas 3
to 5 feet, occasionally to 6 feet. Nearshore waters choppy.
Scattered showers and thunderstorms.

$$

GMZ052>055-072>075-090830-
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-
1019 PM EDT Sat Jun 8 2024

.OVERNIGHT...South to southwest winds 5 to 10 knots, increasing to
near 10 knots. Seas 1 to 2 feet, building to around 2 feet. Wave
Detail: South 1 foot at 3 seconds. Scattered showers and isolated
thunderstorms.
.SUNDAY...South winds near 10 knots, decreasing to near 5 knots.
Seas around 2 feet, subsiding to 1 to 2 feet. Wave Detail: South
1 to 2 feet at 3 seconds. Scattered showers and isolated
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to 15
knots after midnight. Seas around 1 foot, building to 2 to 3 feet.
Wave Detail: Southeast 1 to 2 feet at 3 seconds. Scattered
showers and isolated thunderstorms.
.MONDAY...South winds near 10 knots. Seas around 2 feet.
Scattered showers and thunderstorms.
.MONDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas 2
to 3 feet. Scattered showers and thunderstorms.
.TUESDAY...Southeast to south winds near 15 knots. Seas 3 to 4
feet. Numerous showers and scattered thunderstorms.
.TUESDAY NIGHT...Southeast winds near 15 knots. Seas 3 to 4 feet.
Numerous showers and scattered thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...Southeast winds 15 to 20 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Numerous showers and
scattered thunderstorms.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Numerous showers and scattered
thunderstorms.
.THURSDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas
4 to 5 feet, occasionally to 6 feet. Scattered showers and
thunderstorms.

$$

GMZ033-034-090830-
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-
1019 PM EDT Sat Jun 8 2024

.OVERNIGHT...South to southwest winds 5 to 10 knots, increasing to
near 10 knots. Seas around 1 foot, building to 1 to 2 feet. Wave
Detail: South 1 foot at 3 seconds. Isolated showers and
thunderstorms.
.SUNDAY...South to southwest winds 5 to 10 knots. Seas around 1
foot. Wave Detail: South 1 foot at 3 seconds. Scattered showers
and isolated thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, increasing to near 10
knots. Seas 1 to 2 feet. Wave Detail: Southeast to south 1 foot
at 3 seconds. Scattered showers and isolated thunderstorms.
.MONDAY...South winds near 10 knots. Seas 1 to 2 feet. Numerous
showers and scattered thunderstorms.
.MONDAY NIGHT...South winds near 10 knots, increasing to 10 to 15
knots after midnight. Seas 1 to 3 feet. Numerous showers and
scattered thunderstorms.
.TUESDAY...Southeast to south winds near 15 knots. Seas 2 to 3 feet.
Numerous showers and scattered thunderstorms.
.TUESDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas 2
to 4 feet, occasionally to 5 feet. Numerous showers and scattered
thunderstorms.
.WEDNESDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers and scattered
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds near 20 knots. Seas 4 to 5
feet, occasionally to 6 feet. Numerous showers and scattered
thunderstorms.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Numerous showers and scattered
thunderstorms.
.THURSDAY NIGHT...Southeast to south winds 15 to 20 knots. Seas
3 to 4 feet, occasionally to 5 feet. Scattered showers and
thunderstorms.

$$

CLR/BT