Coastal Waters Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
000
FZUS52 KKEY 252042
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
342 PM 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.

GMZ005-260330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
342 PM EST Sun Feb 25 2018

.SYNOPSIS...High surface pressure extending across Northern
Florida will slide southward tonight and Monday, remaining just
north of the Keys through the entire week. As a result, light to
gentle breezes are expected on all waters Monday through Friday. A
cold front will approach the area Friday, moving across the Keys
during Friday 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.

$$

GMZ031-260330-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
342 PM EST Sun Feb 25 2018

.TONIGHT...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Bay waters smooth to a light chop.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.MONDAY NIGHT THROUGH WEDNESDAY...East to southeast winds 5 to 10
knots. Bay waters smooth to a light chop.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Variable winds near 5
knots. Bay waters smooth.
.FRIDAY...West winds 5 to 10 knots. Bay waters smooth to a light
chop. Isolated showers.
.FRIDAY NIGHT...Northwest to north winds increasing to 10 to 15
knots. Bay waters becoming a light to moderate chop. Isolated
showers.


$$

GMZ032-035-260330-
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-
342 PM EST Sun Feb 25 2018

.TONIGHT...Southeast winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light to moderate chop.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.MONDAY NIGHT THROUGH WEDNESDAY...East to southeast winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Variable winds near 5
knots. Seas less than 1 foot. Nearshore waters smooth.
.FRIDAY...West to northwest winds 5 to 10 knots. Seas less than
1 foot. Nearshore waters smooth to a light chop. Isolated
showers.
.FRIDAY NIGHT...Northwest to north winds increasing to 10 to 15
knots. Seas building 1 to 2 feet. Nearshore waters becoming a
light to moderate chop. Isolated showers.

$$

GMZ042>044-260330-
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-
342 PM EST Sun Feb 25 2018

.TONIGHT...Southeast winds 10 to 15 knots early, decreasing to
near 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters
a light to moderate chop.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. Isolated showers.
.MONDAY NIGHT THROUGH WEDNESDAY...East to southeast winds 5 to 10
knots. Seas around 1 foot. Nearshore waters smooth to a light
chop.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Southeast to south
winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters
smooth to a light chop.
.FRIDAY...West to northwest winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Isolated showers.
.FRIDAY NIGHT...Northwest to north winds increasing to 10 to 15
knots. Seas building to 1 to 2 feet. Nearshore waters becoming
a light to moderate chop. Isolated showers.

$$

GMZ052>055-072>075-260330-
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-
342 PM EST Sun Feb 25 2018

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.
.MONDAY...East to southeast winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers.
.MONDAY NIGHT THROUGH WEDNESDAY...East to southeast winds near 10
knots. Seas 2 to 3 feet. Isolated showers.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Southeast to south
winds 5 to 10 knots. Seas 1 to 3 feet. Isolated showers.
.FRIDAY...West to northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.FRIDAY NIGHT...Northwest to north winds increasing to 10 to 15
knots. Seas building to 2 to 4 feet. Isolated showers.

$$

GMZ033-034-260330-
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-
342 PM EST Sun Feb 25 2018

.TONIGHT...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Seas 1 to 3 feet.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.MONDAY NIGHT THROUGH WEDNESDAY...East to southeast winds 5 to 10
knots. Seas 1 to 2 feet.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Variable winds 5 to 10
knots. Seas 1 to 2 feet.
.FRIDAY...West to northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.FRIDAY NIGHT...Northwest to north winds increasing to 10 to 15
knots. Seas building to 2 to 4 feet. Isolated showers.

$$

Futterman



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.