831
FZUS52 KKEY 121427
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1027 AM EDT Sun May 12 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.

GMZ005-122030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1027 AM EDT Sun May 12 2024

.SYNOPSIS...Winds will continue to clock around the compass
this afternoon as a weak front dissipates in the vicinity of the
Florida Keys. Another high pressure area will slide over the
western North Atlantic, resulting in gentle to moderate southeast
to south breezes for much of next week. A brief bout of moderate
to occasionally fresh breezes are possible Monday night into
Tuesday morning and again Tuesday night.

The Approximate Shoreward Edge of the Gulf Stream as of May 07,
2024...

54 NM South of Dry Tortugas Light...on Loggerhead Key.
30 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
13 NM South of Sand Key Light...off Key West.
 8 NM South of Looe Key...off Big Pine Key.
 8 NM South of Sombrero Key Light...off Marathon.
 8 NM Southeast of Alligator Reef Light...off Islamorada.
 9 NM Southeast of Molasses Reef Light...off Key Largo.

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

$$

GMZ031-122030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1027 AM EDT Sun May 12 2024

.THIS AFTERNOON...North to northeast winds 5 to 10 knots,
becoming variable near 5 knots. Bay waters smooth to a light
chop, becoming smooth.
.TONIGHT...East to southeast winds increasing to near 10 knots.
Bay waters becoming a light chop. Isolated showers.
.MONDAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.
.MONDAY NIGHT...East to southeast winds near 15 knots, increasing
to 15 to 20 knots. Bay waters a moderate chop, becoming choppy.
Isolated showers.
.TUESDAY...Southeast winds 15 to 20 knots, becoming southeast and
briefly decreasing to 10 to 15 knots in the afternoon. Bay waters
choppy, becoming light to moderate chop. Isolated showers.
.TUESDAY NIGHT...Southeast winds increasing to near 15 knots. Bay
waters becoming a moderate chop. Isolated showers.
.WEDNESDAY...South to southwest winds 10 to 15 knots, becoming
southwest to west and decreasing to near 10 knots. Bay waters a
light to moderate chop, becoming light chop. Isolated showers.
.WEDNESDAY NIGHT...West to northwest winds 5 to 10 knots,
becoming south to southwest near 10 knots. Bay waters smooth to a
light chop, becoming a light chop. Isolated showers and
thunderstorms.
.THURSDAY...Southwest winds near 10 knots. Bay waters a light
chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southwest to west winds near 10 knots, becoming
southeast to south. Bay waters a light chop. Isolated showers and
thunderstorms.

$$

GMZ032-035-122030-
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-
1027 AM EDT Sun May 12 2024

.THIS AFTERNOON...North to northeast winds 5 to 10 knots,
becoming variable and decreasing to near 5 knots. Seas around 1
foot, subsiding to 1 foot or less. Nearshore waters smooth to a
light chop, becoming smooth.
.TONIGHT...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas building to around 1 foot, except building to
1 to 2 feet west of the Marquesas Keys. Nearshore waters smooth
to a light chop, becoming a light chop. Isolated showers.
.MONDAY...East to southeast winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. Isolated
showers.
.MONDAY NIGHT...East to southeast winds near 15 knots, becoming
southeast and increasing to 15 to 20 knots. Seas 1 to 2 feet,
building to 2 to 3 feet. West of the Marquesas Keys, seas 2 to 3
feet, building to 3 to 4 feet, occasionally to 5 feet. Nearshore
waters a moderate chop, becoming choppy. Isolated showers.
.TUESDAY...Southeast winds 15 to 20 knots, briefly decreasing to
10 to 15 knots in the afternoon. Seas 1 to 3 feet, subsiding to 1
to 2 feet. West of the Marquesas Keys, seas 3 to 4 feet, subsiding
to around 2 feet. Nearshore waters choppy, becoming light to
moderate chop. Isolated showers.
.TUESDAY NIGHT...Southeast winds increasing to near 15 knots.
Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys.
Nearshore waters becoming a moderate chop. Isolated showers.
.WEDNESDAY...South to southwest winds 10 to 15 knots, becoming
southwest to west 5 to 10 knots in the afternoon. Seas 1 to 2
feet. Nearshore waters a light to moderate chop, becoming smooth
to a light chop. Isolated showers.
.WEDNESDAY NIGHT...West to northwest winds 5 to 10 knots,
becoming south to southeast near 10 knots. Seas around 1 foot,
except 1 to 2 feet west of the Marquesas Keys. Nearshore waters
smooth to a light chop, becoming a light chop. Isolated showers and
thunderstorms.
.THURSDAY...South to southwest near 10 knots, becoming southwest
to west 5 to 10 knots. Seas around 1 foot. Nearshore waters a light
chop, becoming smooth to a light chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
southeast to south 10 to 15 knots. Seas around 1 foot, except
building to 1 to 2 feet west of the Marquesas Keys. Nearshore
waters smooth to a light chop, becoming a light to moderate chop.
Isolated showers and thunderstorms.

$$

GMZ042>044-122030-
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-
1027 AM EDT Sun May 12 2024

.THIS AFTERNOON...North to northeast winds 5 to 10 knots,
becoming variable. Seas around 1 feet, subsiding to 1 foot or
less. Nearshore waters smooth to a light chop, becoming smooth to
a light chop.
.TONIGHT...East winds 5 to 10 knots, becoming east to southeast
and increasing to near 10 knots. Seas building to 1 to 2 feet.
Nearshore waters smooth to a light chop, becoming a light chop.
Isolated showers.
.MONDAY...East to southeast winds 10 to 15 knots. Seas around 2
feet. Nearshore waters a light to moderate chop. Isolated showers.
.MONDAY NIGHT...East to southeast winds near 15 knots, increasing
to 15 to 20 knots. Seas 2 to 3 feet, building to 3 to 4 feet
occasionally to 5 feet. Nearshore waters a moderate chop, becoming
choppy. Isolated showers.
.TUESDAY...Southeast winds 15 to 20 knots, briefly becoming 10 to
15 knots in the afternoon. Seas 3 to 4 feet, occasionally to
5 feet. Nearshore waters choppy, becoming a light to moderate
chop. Isolated showers.
.TUESDAY NIGHT...Southeast winds increasing to near 15 knots.
Seas 2 to 4 feet. Nearshore waters a light to moderate chop,
becoming a moderate chop. Isolated showers.
.WEDNESDAY...South winds 10 to 15 knots, becoming southwest 5 to
10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore
waters a light to moderate chop, becoming smooth to a light chop.
Isolated showers.
.WEDNESDAY NIGHT...Northeast to east winds 5 to 10 knots,
becoming south near 10 knots. Seas 1 to 2 feet. Nearshore waters
smooth to a light chop, becoming a light chop. Isolated showers and
thunderstorms.
.THURSDAY...South to southwest winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
southeast to south 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters smooth to a light chop, becoming a light to moderate chop.
Isolated showers and thunderstorms.

$$

GMZ052>055-072>075-122030-
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-
1027 AM EDT Sun May 12 2024

.THIS AFTERNOON...North to northeast winds 5 to 10 knots,
becoming variable. Seas 1 to 2 feet. Wave Detail: North to
northeast 1 foot at 2 seconds.
.TONIGHT...Northeast to east winds near 10 knots, becoming east to
southeast and increasing to 10 to 15 knots. Seas building to 2 to
3 feet. Wave Detail: Northeast to east 1 foot at 3 seconds.
Isolated showers.
.MONDAY...East to southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4
seconds. Isolated showers.
.MONDAY NIGHT...East to southeast winds increasing to 15 to 20
knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers.
.TUESDAY...Southeast winds 15 to 20 knots, briefly decreasing to
10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally
to 6 feet. Isolated showers.
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots early,
becoming southeast to south 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Isolated showers.
.WEDNESDAY...Southeast to south winds to 10 to 15 knots, variable
5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet, subsiding
to 1 to 2 feet. Isolated showers.
.WEDNESDAY NIGHT...Variable winds 5 to 10 knots, becoming
southeast to south near 10 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.THURSDAY...South winds near 10 knots, becoming southwest to west
5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
southeast to south 10 to 15 knots. Seas 1 to 2 feet, building to 2
to 3 feet. Isolated showers and thunderstorms.

$$

GMZ033-034-122030-
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-
1027 AM EDT Sun May 12 2024

.THIS AFTERNOON...North to northeast winds 5 to 10 knots,
becoming variable. Seas 1 to 2 feet, subsiding to around 1 foot.
Wave Detail: Northwest to north 1 foot at 4 seconds.
.TONIGHT...Variable winds 5 to 10 knots early, becoming east to
southeast and increasing to near 10 knots. Seas building to 1 to
2 feet. Wave Detail: Northwest 1 foot at 5 seconds.
.MONDAY...East to southeast winds 10 to 15 knots, increasing to near
15 knots. Seas around 2 feet. Wave Detail:
Northwest 1 foot at 5 seconds and east 1 foot at 2 seconds.
Isolated showers.
.MONDAY NIGHT...Southeast winds increasing to 15 to 20 knots.
Seas 2 to 3 feet, building to 3 to 4 feet, occasionally to 5
feet. Isolated showers.
.TUESDAY...Southeast to south winds 15 to 20 knots, becoming
10 to 15 knots in the afternoon. Seas 3 to 4 feet occasionally to
5 feet, subsiding to 2 to 3 feet. Isolated showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet. Isolated showers.
.WEDNESDAY...South winds 10 to 15 knots, becoming southwest to
west 5 to 10 knots. Seas 1 to 3 feet. Isolated showers.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming south to
southeast near 10 knots. Seas 1 to 2 feet. Isolated showers and
thunderstorms.
.THURSDAY...South to southwest winds near 10 knots, becoming
southwest to west 5 to 10 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.THURSDAY NIGHT...North to northeast winds 5 to 10 knots,
becoming southeast 10 to 15 knots. Seas 1 to 2 feet, building to 2
to 3 feet. Isolated showers and thunderstorms.

$$