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Hurricane Symbol Storm Special! View the latest observations near East Pacific Tropical Storm Ivette.

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National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 152031
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
431 PM EDT Mon Aug 15 2022

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.

GMZ005-160245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
431 PM EDT Mon Aug 15 2022

SYNOPSIS
A weakened western Atlantic ridge axis will linger
across South Florida and the Keys. As a result, an extended
period of light to gentle breezes are expected for the coastal
waters of the Florida Keys. High pressure will rebuild across
Florida Thursday night and Friday, with freshening east to
southeast breezes.

The Approximate Shoreward Edge of the Gulf Stream as of
August 13...

66 NM South of Dry Tortugas Light...on Loggerhead Key.
48 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
45 NM South of Sand Key Light...off Key West.
43 NM South of Looe Key...off Big Pine Key.
42 NM South of Sombrero Key Light...off Marathon.
32 NM Southeast of Alligator Reef Light...off Islamorada.
28 NM Southeast of Molasses Reef Light...off Key Largo.
18 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.



GMZ031-160245-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
431 PM EDT Mon Aug 15 2022

TONIGHT
Southwest to west winds near 5 knots. Bay waters
smooth. Isolated showers and thunderstorms.

TUESDAY
Southwest winds near 5 knots, becoming southwest
to west and increasing to 5 to 10 knots. Bay waters smooth,
becoming smooth to a light chop. Isolated showers and
thunderstorms.

TUESDAY NIGHT
Southwest to west near 5 knots, becoming south to
southwest. Bay waters smooth. Isolated showers and thunderstorms.

WEDNESDAY
South to southwest winds near 5 knots, becoming
southwest to west and increasing to 5 to 10 knots. Bay waters
smooth, becoming smooth to a light chop. Isolated showers and
thunderstorms.

WEDNESDAY NIGHT
Southwest winds near 5 knots. Bay waters
smooth. Isolated showers and thunderstorms.

THURSDAY
South to southwest winds near 5 knots. Bay waters
smooth. Isolated showers and thunderstorms.

THURSDAY NIGHT
Variable winds near 5 knots, becoming southeast.
Bay waters smooth. Isolated showers and thunderstorms.

FRIDAY
East to southeast winds near 5 knots, increasing to
near 10 knots in the afternoon. Bay waters smooth, becoming a
light chop. Scattered showers and isolated thunderstorms.

FRIDAY NIGHT
East winds near 10 knots, increasing to 10 to 15
knots. Bay waters a light chop, becoming a light to moderate chop.
Scattered showers and isolated thunderstorms.

SATURDAY
East winds near 10 knots. Bay waters a light chop.
Scattered showers and isolated thunderstorms.

SATURDAY NIGHT
East winds 10 to 15 knots. Bay waters a light
to moderate chop. Scattered showers and isolated thunderstorms.



GMZ032-035-160245-
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-
431 PM EDT Mon Aug 15 2022

TONIGHT
Light and variable winds. Seas less than 1 foot.
Nearshore waters smooth. Isolated showers and thunderstorms.

TUESDAY
Winds becoming southwest to west near 5 knots. Seas 1
foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

TUESDAY NIGHT
Light and variable winds. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.

WEDNESDAY
South to southwest winds near 5 knots, becoming
west to northwest. Seas 1 foot or less. Nearshore waters smooth.
Isolated showers and thunderstorms.

WEDNESDAY NIGHT
Light and variable winds. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.

THURSDAY
Southwest winds near 5 knots, becoming variable. Seas
1 foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

THURSDAY NIGHT
Winds becoming east to southeast near 5 knots.
Seas 1 foot or less. Nearshore waters smooth. Isolated showers
and thunderstorms.

FRIDAY
East to southeast winds increasing to 5 to 10 knots.
Seas 1 foot or less, building to around 1 foot. Nearshore waters
becoming smooth to a light chop. Isolated showers and
thunderstorms.

FRIDAY NIGHT
East winds increasing to 10 to 15 knots. Seas
building to 1 to 2 feet. Nearshore waters becoming a light to
moderate chop. Scattered showers and isolated thunderstorms.

SATURDAY AND SATURDAY NIGHT
East winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.



GMZ042>044-160245-
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-
431 PM EDT Mon Aug 15 2022

TONIGHT
Light and variable winds. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.

TUESDAY
Southwest winds near 5 knots, becoming southwest to
west. Seas 1 foot or less. Nearshore waters smooth. Isolated
showers and thunderstorms.

TUESDAY NIGHT AND WEDNESDAY
Light and variable winds. Seas 1
foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

WEDNESDAY NIGHT
Southwest to south winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

THURSDAY
South to southwest winds near 5 knots, becoming
variable. Seas 1 foot or less. Nearshore waters smooth. Isolated
showers and thunderstorms.

THURSDAY NIGHT
Variable winds near 5 knots, becoming east to
southeast. Seas 1 foot or less, building to around 1 foot.
Nearshore waters smooth. Isolated showers and thunderstorms.

FRIDAY
East to southeast winds near 5 knots, increasing to
5 to 10 knots. Seas around 1 foot. Nearshore waters smooth,
becoming smooth to a light chop. Isolated showers and
thunderstorms.

FRIDAY NIGHT
East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Scattered showers and
isolated thunderstorms.

SATURDAY AND SATURDAY NIGHT
East winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
Scattered showers and isolated thunderstorms.



GMZ052>055-072>075-160245-
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-
431 PM EDT Mon Aug 15 2022

TONIGHT
Light and variable winds. Seas 1 foot or less.
Isolated showers and thunderstorms.

TUESDAY AND TUESDAY NIGHT
Light and variable winds. Seas 1
foot or less. Isolated showers and thunderstorms. 

WEDNESDAY
Southeast to south winds near 5 knots, becoming
variable. Seas 1 foot or less. Isolated showers and
thunderstorms.

WEDNESDAY NIGHT
Variable winds near 5 knots, becoming southeast
to south. Seas 1 foot or less. Isolated showers and
thunderstorms.

THURSDAY
Southeast to south winds near 5 knots, becoming
variable. Seas 1 foot or less. Isolated showers and
thunderstorms.

THURSDAY NIGHT
Variable winds near 5 knots, becoming east to
southeast and increasing to 5 to 10 knots. Seas around 1 foot.
Isolated showers and thunderstorms.

FRIDAY
East winds increasing to 10 knots. Seas 1 to 2 feet.
Isolated showers and thunderstorms.

FRIDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers and thunderstorms.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.

SATURDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet.
Scattered showers and isolated thunderstorms.



GMZ033-034-160245-
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-
431 PM EDT Mon Aug 15 2022

TONIGHT
Light and variable winds. Seas 1 foot or less.
Isolated showers and thunderstorms.

TUESDAY
Southwest to west winds near 5 knots. Seas 1 foot or
less. Isolated showers and thunderstorms.

TUESDAY NIGHT
Southwest to west winds near 5 knots. Seas
1 foot or less. Isolated showers and thunderstorms.

WEDNESDAY
Southwest to west winds near 5 knots, becoming west
to northwest. Seas 1 foot or less. Isolated showers and
thunderstorms.

WEDNESDAY NIGHT
Variable winds near 5 knots, becoming southwest.
Seas 1 foot or less. Isolated showers and thunderstorms.

THURSDAY
Variable winds near 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.

THURSDAY NIGHT
Variable winds near 5 knots, becoming east to
southeast. Seas around 1 foot. Isolated showers and
thunderstorms.

FRIDAY
East to southeast winds near 5 knots. Seas around
1 foot. Isolated showers and thunderstorms.

FRIDAY NIGHT
East winds increasing to 10 to 15 knots. Seas
1 to 2 feet. Isolated showers and thunderstorms.

SATURDAY
East winds near 10 knots. Seas 1 to 2 feet. Scattered
showers and isolated thunderstorms.

SATURDAY NIGHT
East winds 10 to 15 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.



NB