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Coastal Waters Forecast (CWF)

Issued by Key West, FL (KEY)

                            
000
FZUS52 KKEY 172029
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
429 PM EDT Sat Aug 17 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.

GMZ005-180230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
429 PM EDT Sat Aug 17 2019

.SYNOPSIS...A weak high pressure ridge axis across South Florida
will slowly move up across Central Florida on Sunday night and 
Monday. Gentle easterly breezes over the Keys waters will become 
moderate on Monday in advance of a weak tropical wave that will 
brush by. Otherwise, the Atlantic ridge axis will continue over 
Central Florida on Tuesday and Wednesday, possibly lifting up 
across North Florida on Thursday.

The Approximate Shoreward Edge of the Gulf Stream as of
August 17, 2019...

44 NM South of Dry Tortugas Light...on Loggerhead Key.
47 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
49 NM South of Sand Key Light...off Key West.
53 NM South of Looe Key...off Big Pine Key.
48 NM South of Sombrero Key Light...off Marathon.
18 NM Southeast of Alligator Reef Light...off Islamorada.
12 NM Southeast of Molasses Reef Light...off Key Largo.
 3 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-180230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
429 PM EDT Sat Aug 17 2019

.TONIGHT...East to southeast winds 5 to 10 knots. Bay waters 
smooth to a light chop. Isolated showers and thunderstorms. 
.SUNDAY...East 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 NIGHT...Northeast to east winds near 10 knots. Bay waters
smooth to a light chop. Isolated showers and thunderstorms. 
.MONDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and thunderstorms. 
.MONDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop. Scattered showers and thunderstorms. 
.TUESDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Scattered showers and thunderstorms. 
.TUESDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop. Scattered showers and thunderstorms. 
.WEDNESDAY THROUGH THURSDAY NIGHT...East to southeast winds 5 to 
10 knots. Bay waters smooth to a light chop. Scattered showers and
thunderstorms. 

$$

GMZ032-035-180230-
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-
429 PM EDT Sat Aug 17 2019

.TONIGHT...East to southeast winds near 10 knots, decreasing 5 to
10 knots after midnight. Seas 1 foot or less. Nearshore waters a 
light chop, becoming smooth to a light chop. Isolated showers and
thunderstorms.
.SUNDAY...East winds near 10 knots. Seas 1 foot or less. 
Nearshore waters a light chop. Isolated showers and thunderstorms.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Northeast to east winds 10 
to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to 
moderate chop. Isolated showers and thunderstorms. 
.TUESDAY...East to southeast winds near 10 knots. Seas 1 foot or 
less. Nearshore waters a light chop. Scattered showers and 
thunderstorms. 
.TUESDAY NIGHT...East to southeast winds near 10 knots. Seas 1 
foot or less. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.WEDNESDAY THROUGH THURSDAY NIGHT...East to southeast winds near 
5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a 
light chop. Scattered showers and thunderstorms. 

$$

GMZ042>044-180230-
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-
429 PM EDT Sat Aug 17 2019

.TONIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms from late evening on. 
.SUNDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore 
waters a light chop. Isolated showers and thunderstorms.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Isolated
showers and thunderstorms. 
.MONDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and
thunderstorms. 
.MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Scattered
showers and thunderstorms. 
.TUESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms. 
.TUESDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms. 
.WEDNESDAY THROUGH THURSDAY NIGHT...East to southeast winds 5 to 
10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light 
chop. Scattered showers and thunderstorms. 

$$

GMZ052>055-072>075-180230-
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-
429 PM EDT Sat Aug 17 2019

.TONIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2
feet, building to 1 to 3 feet after midnight. Isolated showers 
and thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated
showers and thunderstorms. 
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers and thunderstorms. 
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Scattered
showers and thunderstorms. 
.MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
4 feet. Scattered showers and thunderstorms. 
.TUESDAY...East to southeast winds near 10 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 thunderstorms. 
.WEDNESDAY THROUGH THURSDAY NIGHT...East to southeast winds 5 to 
10 knots. Seas 1 to 2 feet. Scattered showers and thunderstorms. 

$$

GMZ033-034-180230-
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-
429 PM EDT Sat Aug 17 2019

.TONIGHT...Southeast to south winds near 5 knots, becoming east 
to southeast 5 to 10 knots. Seas around 1 foot, building to 1 to 
2 feet. Scattered showers and thunderstorms, mainly from late 
evening on.
.SUNDAY...East to southeast winds near 10 knots. Seas 1 to 2 
feet. Isolated showers and thunderstorms. 
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Isolated showers and thunderstorms. 
.MONDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Isolated
showers and thunderstorms. 
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Scattered showers and thunderstorms. 
.TUESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Scattered showers and thunderstorms. 
.TUESDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Scattered showers and thunderstorms. 
.WEDNESDAY THROUGH THURSDAY NIGHT...East to southeast winds 5 to 
10 knots. Seas around 1 foot. Scattered showers and thunderstorms.

$$