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Coastal Waters Forecast (CWF)

Issued by Key West, FL (KEY)

                            
000
FZUS52 KKEY 200224
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1024 PM EDT Mon Aug 19 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.

GMZ005-200830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1024 PM EDT Mon Aug 19 2019

.SYNOPSIS...A trough over the Florida Keys slowly will slide west 
tonight and Tuesday. High pressure will stretch west across the 
Florida Peninsula Tuesday night through Friday night, sagging 
south towards the Keys this weekend. Breezes will begin to 
diminish Tuesday night and Wednesday, and gentle breezes are 
expected Wednesday night through Saturday. 

The Approximate Shoreward Edge of the Gulf Stream as of
August 19...

51 NM South of Dry Tortugas Light...on Loggerhead Key.
39 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
25 NM South of Sand Key Light...off Key West.
 7 NM South of Looe Key...off Big Pine Key.
 7 NM South of Sombrero Key Light...off Marathon.
 6 NM Southeast of Alligator Reef Light...off Islamorada.
 4 NM Southeast of Molasses Reef Light...off Key Largo.
 4 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-200830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1024 PM EDT Mon Aug 19 2019

.OVERNIGHT...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Numerous showers and scattered 
thunderstorms.
.TUESDAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Numerous showers and scattered
thunderstorms. 
.TUESDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop. Scattered showers and isolated
thunderstorms. 
.WEDNESDAY...East winds near 10 knots. Bay waters a light chop.
Scattered showers and thunderstorms. 
.WEDNESDAY NIGHT AND THURSDAY...East winds 5 to 10 knots. Bay 
waters smooth to a light chop. Scattered showers and 
thunderstorms. 
.THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to
a light chop. Scattered showers and isolated thunderstorms. 
.FRIDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Scattered showers and thunderstorms. 
.FRIDAY NIGHT...Southeast winds near 10 knots. Bay waters a light
chop. Scattered showers and thunderstorms. 
.SATURDAY AND SATURDAY NIGHT...Southeast to south winds 5 to 10 
knots. Bay waters smooth to a light chop. Scattered showers and 
thunderstorms. 

$$

GMZ032-035-200830-
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-
1024 PM EDT Mon Aug 19 2019

.OVERNIGHT...East to southeast winds near 15 knots. Seas 1 to 3 
feet. Nearshore waters a moderate chop. Numerous showers and 
scattered thunderstorms. 
.TUESDAY...East to southeast winds near 15 knots, decreasing to 10
to 15 knots. Seas 1 to 3 feet. Nearshore waters a moderate chop,
becoming a light to moderate chop. Numerous showers and scattered
thunderstorms. 
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms. 
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Scattered showers and 
thunderstorms. 
.WEDNESDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet. 
Nearshore waters a light chop. Scattered showers and 
thunderstorms. 
.THURSDAY...East winds 5 to 10 knots. Seas around 1 foot. 
Nearshore waters smooth to a light chop. Scattered showers and 
thunderstorms. 
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms. 
.FRIDAY...East winds 5 to 10 knots. Seas around 1 foot. Nearshore
waters smooth to a light chop. Scattered showers and 
thunderstorms. 
.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms. 
.SATURDAY...Southeast to south winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop. Scattered showers 
and thunderstorms. 
.SATURDAY NIGHT...Southeast to south winds near 10 knots. Seas 1
to 2 feet. Nearshore waters a light chop. Scattered showers and 
thunderstorms. 

$$

GMZ042>044-200830-
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-
1024 PM EDT Mon Aug 19 2019

.OVERNIGHT...East to southeast winds near 15 knots. Seas 2 to 3 
feet. Nearshore waters a moderate chop. Numerous showers and 
scattered thunderstorms. 
.TUESDAY...East to southeast winds near 15 knots, decreasing to 10
to 15 knots. Seas 2 to 3 feet, subsiding to 1 to 3 feet. 
Nearshore waters a moderate chop, becoming a light to moderate 
chop. Numerous showers and scattered thunderstorms. 
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms. 
.WEDNESDAY AND WEDNESDAY NIGHT...East winds near 10 knots. Seas 1
to 2 feet. Nearshore waters a light chop. Scattered showers and 
thunderstorms. 
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Scattered
showers and thunderstorms. 
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
1 to 2 feet. Nearshore waters smooth to a light chop. Isolated
showers and thunderstorms. 
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore
waters smooth to a light chop. Scattered showers and
thunderstorms. 
.FRIDAY NIGHT...Southeast winds near 10 knots. Seas around 2 
feet. Nearshore waters a light chop. Scattered showers and 
thunderstorms. 
.SATURDAY...Southeast to south winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Scattered
showers and thunderstorms. 
.SATURDAY NIGHT...Southeast to south winds near 10 knots. Seas
around 2 feet. Nearshore waters a light chop. Scattered showers 
and thunderstorms. 

$$

GMZ052>055-072>075-200830-
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-
1024 PM EDT Mon Aug 19 2019

.OVERNIGHT...East to southeast winds near 15 knots. Seas 4 to 5 
feet. Numerous showers and scattered thunderstorms. 
.TUESDAY...East to southeast winds near 15 knots. Seas 3 to 5 
feet. Numerous showers and scattered thunderstorms. 
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 4 feet. Scattered showers and isolated thunderstorms. 
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. 
Scattered showers and thunderstorms. 
.WEDNESDAY NIGHT...East winds near 10 knots. Seas 2 to 3 feet. 
Scattered showers and thunderstorms. 
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas around
2 feet. Scattered showers and thunderstorms. 
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
around 2 feet. Isolated showers and thunderstorms. 
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers and thunderstorms. 
.FRIDAY NIGHT...Southeast winds near 10 knots. Seas 2 to 3 feet. 
Scattered showers and thunderstorms. 
.SATURDAY...Southeast to south winds 5 to 10 knots. Seas around 2
feet. Scattered showers and thunderstorms. 
.SATURDAY NIGHT...Southeast to south winds near 10 knots. Seas 2
to 3 feet. Scattered showers and thunderstorms. 

$$

GMZ033-034-200830-
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-
1024 PM EDT Mon Aug 19 2019

.OVERNIGHT...East winds near 15 knots. Seas 2 to 4 feet. Numerous
showers and scattered thunderstorms. 
.TUESDAY...East to southeast winds 10 to 15 knots. Seas 2 to 3 
feet. Scattered showers and thunderstorms. 
.TUESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Scattered showers and isolated thunderstorms. 
.WEDNESDAY...East to southeast winds near 10 knots. Seas around 2
feet. Scattered showers and thunderstorms. 
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and thunderstorms. 
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Scattered
showers and thunderstorms. 
.THURSDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers and thunderstorms. 
.FRIDAY...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and thunderstorms. 
.FRIDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms. 
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms. 
.SATURDAY NIGHT...Southeast to south winds 5 to 10 knots. Seas
1 to 2 feet. Scattered showers and thunderstorms. 

$$

CLR