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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
121
FZUS52 KKEY 261428
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1028 AM EDT Tue Sep 26 2017

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.

GMZ005-262030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 AM EDT Tue Sep 26 2017

.SYNOPSIS...A weak pressure pattern will persist across the
Florida Keys and adjacent coastal waters through Saturday. As a
result, light to gentle breezes will prevail. Winds and seas will
be higher in and near showers and thunderstorms.

The Approximate Shoreward Edge of the Gulf Stream as of
September 23, 2017,

 9 NM South of Dry Tortugas Light...on Loggerhead Key.
 2 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
Less than 1 NM South of Sand Key Light...off Key West.
 2 NM South of Looe Key...off Big Pine Key.
 2 NM South of Sombrero Key Light...off Marathon.
 3 NM Southeast of Alligator Reef Light...off Islamorada.
 2 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.

$$

GMZ031-262030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1028 AM EDT Tue Sep 26 2017

.THIS AFTERNOON...Variable winds less than 5 knots early becoming
south 5 to 10 knots. Bay waters smooth to a light chop. Winds
higher and bay water rough in and near numerous showers and
scattered thunderstorms.
.TONIGHT THROUGH WEDNESDAY NIGHT...Variable winds 5 to 10 knots.
Bay waters smooth to a light chop. Scattered showers and
thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and thunderstorms.
.THURSDAY NIGHT THROUGH SATURDAY...East to southeast winds 5 to 10
knots. Bay waters smooth to a light chop. Scattered showers and
thunderstorms.
.SATURDAY NIGHT...Northeast to east winds near 10 knots. Bay
waters a light chop. Scattered showers and thunderstorms.

$$

GMZ032-035-262030-
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-
1028 AM EDT Tue Sep 26 2017

.THIS AFTERNOON...Variable winds 5 to 10 knots early becoming
south. Seas 1 foot or less. Nearshore waters smooth to a light
chop. Winds and seas higher in and near numerous showers and
scattered thunderstorms.
.TONIGHT THROUGH WEDNESDAY NIGHT...Southeast winds 5 to 10 knots.
Seas 1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Scattered showers
and thunderstorms.
.THURSDAY NIGHT THROUGH SATURDAY...Southeast winds 5 to 10 knots.
Seas 1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and thunderstorms.
.SATURDAY NIGHT...Northeast to east winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop. Scattered showers
and thunderstorms.

$$

GMZ042>044-262030-
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-
1028 AM EDT Tue Sep 26 2017

.THIS AFTERNOON...Southeast to south winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Winds and
seas higher in and near numerous showers and scattered
thunderstorms.
.TONIGHT THROUGH WEDNESDAY NIGHT...Southeast to south winds 5 to
10 knots. Seas around 1 foot. Nearshore waters smooth to a light
chop. Scattered showers and thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop. Scattered showers
and thunderstorms.
.THURSDAY NIGHT THROUGH SATURDAY...East to southeast winds 5 to
10 knots. Seas around 1 foot. Nearshore waters smooth to a light
chop. Scattered showers and thunderstorms.
.SATURDAY NIGHT...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms.

$$

GMZ052>055-072>075-262030-
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-
1028 AM EDT Tue Sep 26 2017

.THIS AFTERNOON...Southeast to south winds 5 to 10 knots. Seas
1 to 2 feet, except offshore Ocean Reef to Craig Key, seas 3 to 5
feet due to a north-northeast swells. Winds and seas higher in and
near numerous showers and scattered thunderstorms.
.TONIGHT THROUGH WEDNESDAY NIGHT...Southeast winds 5 to 10 knots.
Seas 1 to 3 feet, except offshore Ocean Reef to Craig Key, seas 3
to 4 feet due to north- northeast swells. Scattered showers and
thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas 2 to
3 feet. Scattered showers and thunderstorms.
.THURSDAY NIGHT THROUGH SATURDAY...East to southeast winds 5 to
10 knots. Seas 1 to 3 feet. Scattered showers and thunderstorms.
.SATURDAY NIGHT...Northeast to east winds near 10 knots. Seas 2
to 3 feet. Scattered showers and thunderstorms.

$$

GMZ033-034-262030-
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-
1028 AM EDT Tue Sep 26 2017

.THIS AFTERNOON...Southeast to south winds 5 to 10 knots.
Seas 1 to 2 feet. Winds and seas higher in and near numerous
showers and scattered thunderstorms.
.TONIGHT THROUGH WEDNESDAY NIGHT...Southeast winds 5 to 10 knots.
Seas 1 to 3 feet. Scattered showers and thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and thunderstorms.
.THURSDAY NIGHT THROUGH SATURDAY...East to southeast winds 5 to
10 knots. Seas 1 to 2 feet. Scattered showers and thunderstorms.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
2 to 3 feet. Scattered showers and thunderstorms.

$$



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