Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 260947
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
447 AM EST Sun Jan 26 2020

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.

GMZ005-261600-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
447 AM EST Sun Jan 26 2020

.SYNOPSIS...High pressure over the extreme Southeast United States
and the Florida Peninsula will move eastward and become ill
defined over the next couple of days. An area of low pressure
will track eastward through the Gulf of Mexico and weaken as it
moves across the Florida Peninsula Monday night and Tuesday.

The Approximate Shoreward Edge of the Gulf Stream as of
January 25...

18 NM South of Dry Tortugas Light...on Loggerhead Key.
11 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
 7 NM South of Looe Key...off Big Pine Key.
 6 NM South of Sombrero Key Light...off Marathon.
 5 NM Southeast of Alligator Reef Light...off Islamorada.
 2 NM Southeast of Molasses Reef Light...off Key Largo.
 2 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

$$

GMZ031-261600-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
447 AM EST Sun Jan 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION EARLY UNTIL WINDS
   DECREASE...

.TODAY...North winds 15 to 20 knots early, becoming variable and
decreasing to near 5 knots in the afternoon. Bay waters choppy,
becoming smooth.
.TONIGHT...Variable winds near 5 knots. Bay waters smooth.
Isolated showers developing late.
.MONDAY...Winds becoming southwest to west and increasing to near
10 knots. Bay waters becoming a light chop. Scattered showers in
the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters smooth
to a light chop. Scattered showers.
.TUESDAY...West to northwest winds 5 to 10 knots, becoming
variable. Bay waters smooth to a light chop. Scattered showers in
the morning.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.WEDNESDAY...Variable winds near 5 knots. Bay waters smooth.
Isolated showers.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.THURSDAY...Northeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters a light
to moderate chop. Isolated showers.

$$

GMZ032-035-261600-
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-
447 AM EST Sun Jan 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION EARLY UNTIL WINDS
   DECREASE...

.TODAY...North winds 15 to 20 knots early, decreasing to 5 to 10
knots. Seas 1 to 3 feet, subsiding to around 1 foot. Nearshore
waters choppy, becoming smooth to a light chop.
.TONIGHT...Mainly north winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth. Isolated showers developing late.
.MONDAY...Winds becoming southwest to west and increasing to near
10 knots. Seas around 1 foot. Nearshore waters becoming a light
chop. Scattered showers in the afternoon.
.MONDAY NIGHT...Southwest winds near 10 knots. Seas around 1 foot.
Nearshore waters a light chop. Scattered showers.
.TUESDAY...Northwest winds 5 to 10 knots, becoming variable. Seas
1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers in the morning.
.TUESDAY NIGHT...North to northeast winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop. Isolated
showers.
.WEDNESDAY...North winds 5 to 10 knots, becoming west to
northwest in the afternoon. Seas 1 foot or less. Nearshore waters
smooth to a light chop. Isolated showers.
.WEDNESDAY NIGHT...Northwest to north winds 5 to 10 knots. Seas 1
foot or less. Nearshore waters smooth to a light chop. Isolated
showers.
.THURSDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.

$$

GMZ042>044-261600-
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-
447 AM EST Sun Jan 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION EARLY UNTIL WINDS
   DECREASE...

.TODAY...North winds 15 to 20 knots early, decreasing to 5 to 10
knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Nearshore
waters choppy, becoming smooth to a light chop.
.TONIGHT...Mainly north winds 5 to 10 knots, becoming variable.
Seas around 1 foot. Nearshore waters smooth to a light chop.
Isolated showers developing late.
.MONDAY...Winds becoming southwest to west and increasing to near
10 knots. Seas building to 1 to 2 feet. Nearshore waters becoming
a light chop. Scattered showers in the afternoon.
.MONDAY NIGHT...Southwest to west winds near 10 knots. Seas
1 to 2 feet. Nearshore waters a light chop. Scattered showers.
.TUESDAY...West to northwest winds 5 to 10 knots, becoming
variable. Seas around 1 foot. Nearshore waters smooth to a light
chop. Scattered showers in the morning.
.TUESDAY NIGHT...North winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Isolated showers.
.WEDNESDAY...North to northeast winds 5 to 10 knots, becoming
west to northwest in the afternoon. Seas around 1 foot. Nearshore
waters smooth to a light chop. Isolated showers.
.WEDNESDAY NIGHT...Northwest to north winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Isolated
showers.
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. Isolated showers.

$$

GMZ052>055-072>075-261600-
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-
447 AM EST Sun Jan 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION EARLY UNTIL WINDS
   DECREASE...

.TODAY...North winds 15 to 20 knots early, decreasing to near 10
knots. Seas 3 to 5 feet, subsiding to 1 to 3 feet in the
afternoon.
.TONIGHT...Variable winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers developing.
.MONDAY...Winds becoming south to southwest and increasing to
near 10 knots. Seas 1 to 3 feet. Scattered showers in the
afternoon.
.MONDAY NIGHT...Southwest to west winds near 10 knots. Seas 1 to
3 feet. Scattered showers.
.TUESDAY...West winds near 10 knots, becoming variable. Seas 1 to
3 feet. Scattered showers in the morning.
.TUESDAY NIGHT...Northwest to north winds 5 to 10 knots. Seas 1
to 2 feet. Isolated showers.
.WEDNESDAY...Northwest winds 5 to 10 knots, becoming southwest to
west. Seas 1 to 2 feet. Isolated showers.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2
feet. Isolated showers.
.THURSDAY...North winds 5 to 10 knots, becoming northeast to
east. Seas 1 to 2 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.

$$

GMZ033-034-261600-
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-
447 AM EST Sun Jan 26 2020

.TODAY...North to northeast winds near 15 knots, decreasing to
near 10 knots in the afternoon. Seas 2 to 4 feet, subsiding to 1
to 3 feet.
.TONIGHT...North to northeast winds 5 to 10 knots, becoming
variable. Seas 1 to 2 feet.
.MONDAY...Winds becoming south and increasing to near 10 knots.
Seas 1 to 2 feet. Scattered showers in the afternoon.
.MONDAY NIGHT...Southwest to west winds near 10 knots. Seas 1 to
3 feet. Scattered showers.
.TUESDAY...Northwest winds 5 to 10 knots, becoming north. Seas 1
to 3 feet. Scattered showers early in the morning.
.TUESDAY NIGHT...North to northeast winds 5 to 10 knots. Seas
1 to 2 feet. Isolated showers.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas 1 to 2
feet. Isolated showers.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas 2 to
4 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.

$$


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