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Coastal Waters Forecast (CWF)

Issued by Key West, FL (KEY)

                            
000
FZUS52 KKEY 240221
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1021 PM EDT Fri Aug 23 2019

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.

GMZ005-240830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1021 PM EDT Fri Aug 23 2019

.SYNOPSIS...A broad area of low pressure over southeast Florida 
will move slowly northwestward through the overnight. The trough 
is expected to lift northward and away from our region Saturday 
and Saturday night. Thereafter, a high pressure cell over Cuba 
will gradually lift northward into the Straits of Florida, then 
into South Florida.

The Approximate Shoreward Edge of the Gulf Stream as of
August 24, 2019...

44 NM South of Dry Tortugas Light...on Loggerhead Key.
19 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
17 NM South of Sand Key Light...off Key West.
22 NM South of Looe Key...off Big Pine Key.
25 NM South of Sombrero Key Light...off Marathon.
19 NM Southeast of Alligator Reef Light...off Islamorada.
16 NM Southeast of Molasses Reef Light...off Key Largo.
 8 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

$$

GMZ031-240830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1021 PM EDT Fri Aug 23 2019

.OVERNIGHT...Southwest to west winds near 5 knots, becoming south
near 10 knots. Bay waters smooth, becoming a light chop. 
Scattered showers and thunderstorms. 
.SATURDAY...South to southwest winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and isolated
thunderstorms. 
.SATURDAY NIGHT...South to southwest winds 5 to 10 knots. Bay
waters smooth to a light chop. Scattered showers and isolated
thunderstorms. 
.SUNDAY...Southwest winds near 10 knots. Bay waters a light chop.
Scattered showers and isolated thunderstorms. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms. 
.MONDAY...Southwest winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms. 
.MONDAY NIGHT...Southwest winds near 5 knots, becoming south. Bay
waters smooth. Scattered showers and isolated thunderstorms. 
.TUESDAY...Southwest winds near 5 knots. Bay waters smooth.
Scattered showers and isolated thunderstorms. 
.TUESDAY NIGHT...Variable winds near 5 knots. Bay waters smooth. 
Scattered showers and isolated thunderstorms. 
.WEDNESDAY...Variable winds near 5 knots. Bay waters smooth. 
Scattered showers and isolated thunderstorms. 
.WEDNESDAY NIGHT...Northwest winds near 5 knots. Bay waters
smooth. Scattered showers and isolated thunderstorms. 

$$

GMZ032-035-240830-
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-
1021 PM EDT Fri Aug 23 2019

.OVERNIGHT...Northwest to north winds 5 to 10 knots, becoming
southwest. Seas 1 foot or less. Nearshore waters smooth to a 
light chop. Scattered showers and isolated thunderstorms. 
.SATURDAY...Southwest winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Scattered showers and isolated
thunderstorms. 
.SATURDAY NIGHT...South to southwest winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms. 
.SUNDAY...Southwest winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms. 
.SUNDAY NIGHT...South to southwest winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms. 
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms. 
.MONDAY NIGHT...South winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Scattered showers and isolated
thunderstorms. 
.TUESDAY...Variable winds near 5 knots. Seas 1 foot or less. 
Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 
.TUESDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or 
less. Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 
.WEDNESDAY...Variable winds near 5 knots. Seas near 1 foot or 
less. Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 
.WEDNESDAY NIGHT...Northwest winds near 5 knots. Seas near 1
feet. Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 

$$

GMZ042>044-240830-
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-
1021 PM EDT Fri Aug 23 2019

.OVERNIGHT...Variable winds 5 to 10 knots, becoming south to 
southwest near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth
to a light chop, becoming a light chop. Scattered showers and 
isolated thunderstorms. 
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms. 
.SATURDAY NIGHT...South to southwest winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms. 
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms. 
.MONDAY...South to southwest winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms. 
.MONDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms. 
.TUESDAY...Variable winds near 5 knots. Seas 1 foot or less. 
Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 
.TUESDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or 
less. Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 
.WEDNESDAY...Variable winds near 5 knots. Seas 1 foot or less. 
Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 
.WEDNESDAY NIGHT...Northwest winds near 5 knots. Seas near 1. 
Nearshore waters smooth. Scattered showers and isolated 
thunderstorms. 

$$

GMZ052>055-072>075-240830-
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-
1021 PM EDT Fri Aug 23 2019

.OVERNIGHT...Variable winds 5 to 10 knots, becoming southwest. 
Seas 1 to 2 feet. Scattered showers and isolated thunderstorms. 
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms. 
.SATURDAY NIGHT...South to southwest winds 5 to 10 knots. Seas
1 to 2 feet. Scattered showers and isolated thunderstorms. 
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms. 
.MONDAY...South winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms. 
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
1 to 2 feet. Scattered showers and isolated thunderstorms. 
.TUESDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms. 
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. 
Scattered showers and isolated thunderstorms. 
.WEDNESDAY...Variable winds near 5 knots. Seas around 1 foot. 
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...Northwest to north winds near 5 knots. Seas
1 to 2 feet. Scattered showers and isolated thunderstorms. 

$$

GMZ033-034-240830-
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-
1021 PM EDT Fri Aug 23 2019

.OVERNIGHT...Northwest to north winds near 10 knots,
decreasing to 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and 
isolated thunderstorms. 
.SATURDAY...Southwest to west winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms. 
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 1 
foot. Scattered showers and isolated thunderstorms. 
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms. 
.SUNDAY NIGHT...South to southwest winds 5 to 10 knots. Seas
around 1 foot. Scattered showers and isolated thunderstorms. 
.MONDAY...Southwest winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms. 
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms. 
.TUESDAY...Variable winds near 5 knots. Seas around 1 foot. 
Scattered showers and isolated thunderstorms. 
.TUESDAY NIGHT...Variable winds near 5 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.WEDNESDAY...Northwest to north winds 5 to 10 knots. Seas around
1 foot. Scattered showers and isolated thunderstorms. 
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms. 

$$