Coastal Waters Forecast
Issued by NWS

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870
FZUS52 KKEY 251540
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1040 AM EST Sun Feb 25 2018

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.

GMZ005-252130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1040 AM EST Sun Feb 25 2018

.SYNOPSIS...High surface pressure situated from the Western Atlantic
to Northern Florida will gradually slide southward this afternoon through
Monday night before weakening and dissipating Tuesday. A weak
pressure gradient across the Florida Keys will keep gentle to
moderate breezes in place Monday through Thursday Night.

The Approximate Shoreward Edge of the Gulf Stream as of
February twenty fourth, 2018...

46 NM South of Dry Tortugas Light...on Loggerhead Key.
 8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 5 NM South of Sand Key Light...off Key West.
 Less than 1 NM South of Looe Key...off Big Pine Key.
 Less than 1 NM South of Sombrero Key Light...off Marathon.
11 NM Southeast of Alligator Reef Light...off Islamorada.
10 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.

$$

GMZ031-252130-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1040 AM EST Sun Feb 25 2018

.THIS AFTERNOON...Southeast winds near 10 knots. Bay waters a light
chop.
.TONIGHT...East to southeast winds near 10 knots. Bay waters a
light chop. Isolated showers.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.MONDAY NIGHT...East winds near 5 knots. Bay waters smooth.
Isolated showers.
.TUESDAY...East winds 5 to 10 knots. Bay waters smooth to a light
chop. Isolated showers.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth to
a light chop. Isolated showers.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth to a light chop.
.THURSDAY...South winds near 10 knots. Bay waters a light chop.
.THURSDAY NIGHT...West winds 5 to 10 knots. Bay waters smooth to
a light chop.

$$

GMZ032-035-252130-
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-
1040 AM EST Sun Feb 25 2018

.THIS AFTERNOON...Southeast winds 10 to 15 knots early, decreasing
to near 10 knots. Seas 1 foot or less. Nearshore waters a light to
moderate chop, becoming a light chop.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. Isolated
showers.
.MONDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop. Isolated showers.
.MONDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop. Isolated
showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.WEDNESDAY NIGHT...Southeast winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop.
.THURSDAY...South winds near 10 knots. Seas around 1 foot.
Nearshore waters a light chop.
.THURSDAY NIGHT...West to northwest winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop.

$$

GMZ042>044-252130-
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-
1040 AM EST Sun Feb 25 2018

.THIS AFTERNOON...Southeast winds 10 to 15 knots, decreasing to near
10 knots. Seas 1 to 3 feet, subsiding to 1 to 2 feet. Nearshore
waters a light to moderate chop, becoming a light chop.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.MONDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.
.MONDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Isolated showers.
.TUESDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Isolated showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop.
.THURSDAY...South to southwest winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop.
.THURSDAY NIGHT...West to northwest winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.

$$

GMZ052>055-072>075-252130-
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-
1040 AM EST Sun Feb 25 2018

.THIS AFTERNOON...East to southeast winds 10 to 15 knots. Seas
2 to 4 feet.
.TONIGHT...East to southeast winds near 15 knots. Seas 3 to 4
feet. Isolated showers.
.MONDAY...East to southeast winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.
.TUESDAY...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.
.WEDNESDAY...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast to south winds near 10 knots. Seas 2 to 3
feet.
.THURSDAY NIGHT...Variable winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ033-034-252130-
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-
1040 AM EST Sun Feb 25 2018

.THIS AFTERNOON...Southeast winds 10 to 15 knots, decreasing to
around 10 knots. Seas 1 to 3 feet. Isolated showers.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Isolated showers.
.MONDAY...East to southeast winds near 10 knots. Seas 1 to 2 feet.
Isolated showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to
2 feet.
.THURSDAY...South to southwest winds near 10 knots. Seas 1 to
2 feet.
.THURSDAY NIGHT...West to northwest winds near 10 knots. Seas 1 to
2 feet.

$$

MCLOVIN/FUTTERMAN



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