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
658
FZUS52 KKEY 230913
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
413 AM EST Fri Feb 23 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.

GMZ005-231530-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
413 AM EST Fri Feb 23 2018

.SYNOPSIS...An Atlantic ridge of high pressure will extend across
the Southeastern United States today and tonight. This ridge of
high pressure will slowly shift southward down the Florida
peninsula Saturday through Sunday. An Atlantic ridge of high
pressure will extend across Central Florida Sunday night, before
retreating eastward Monday.

The Approximate Shoreward Edge of the Gulf Stream current, as of
February 17th, 2018...

31 NM South of Dry Tortugas Light, on Loggerhead Key.
10 NM South of Cosgrove Shoal Light, off the Marquesas Keys.
 3 NM South of Sand Key Light, off Key West.
 7 NM South of Looe Key, off Big Pine Key.
 9 NM South of Sombrero Key Light, off Marathon.
13 NM Southeast of Alligator Reef Light, off Islamorada.
12 NM Southeast of Molasses Reef Light, off Key Largo.
 6 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-231530-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
413 AM EST Fri Feb 23 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East to southeast winds 15 to 20 knots. Bay waters
choppy. Scattered showers.
.TONIGHT AND SATURDAY...East to southeast winds near 15 knots. Bay
waters a moderate chop. Scattered showers.
.SATURDAY NIGHT AND SUNDAY...East to southeast winds 10 to 15
knots. Bay waters a light to moderate chop. Scattered showers.
.SUNDAY NIGHT AND MONDAY...East to southeast winds near 10 knots.
Bay waters a light chop. Isolated showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.TUESDAY AND TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters
mostly smooth. Isolated showers.

$$

GMZ032-035-231530-
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-
413 AM EST Fri Feb 23 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East to southeast winds 15 to 20 knots. Seas 2 to 3 feet.
Nearshore waters choppy. Scattered showers.
.TONIGHT...East to southeast winds 15 to 20 knots. Seas 2 to 3
feet. Nearshore waters choppy. Scattered showers.
.SATURDAY...East to southeast winds near 15 knots. Seas around 2
feet. Nearshore waters a moderate chop. Scattered showers.
.SATURDAY NIGHT AND SUNDAY...East to southeast winds near 15
knots. Seas 1 to 2 feet. Nearshore waters a moderate chop.
Scattered showers.
.SUNDAY NIGHT AND MONDAY...East to southeast winds 10 to 15 knots.
Seas around 1 foot. Nearshore waters a light to moderate chop.
Isolated showers.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...East winds near 10 knots.
Seas 1 foot or less. Nearshore waters a light chop. Isolated
showers.

$$

GMZ042>044-231530-
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-
413 AM EST Fri Feb 23 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East to southeast winds 15 to 20 knots. Seas 2 to 4 feet.
Nearshore waters choppy. Scattered showers.
.TONIGHT...East to southeast winds 15 to 20 knots. Seas 2 to 4
feet. Nearshore waters choppy. Scattered showers.
.SATURDAY THROUGH SUNDAY...East to southeast winds near 15 knots.
Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered
showers.
.SUNDAY NIGHT AND MONDAY...East to southeast winds 10 to 15 knots.
Seas around 2 feet. Nearshore waters a light to moderate chop.
Isolated showers.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...East winds near 10 knots.
Seas 1 to 2 feet. Nearshore waters a light chop. Isolated showers.

$$

GMZ052>055-072>075-231530-
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-
413 AM EST Fri Feb 23 2018

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...East to southeast winds near 20 knots. Seas 5 to 7 feet.
Scattered showers.
.TONIGHT...East to southeast winds near 20 knots. Seas 5 to 7
feet. Scattered showers.
.SATURDAY THROUGH SUNDAY...East to southeast winds 15 to 20 knots.
Seas 4 to 6 feet. Scattered showers.
.SUNDAY NIGHT AND MONDAY...East to southeast winds near 15 knots.
Seas 3 to 5 feet. Isolated showers.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...East winds 10 to 15 knots.
Seas 2 to 4 feet. Isolated showers.

$$

GMZ033-034-231530-
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-
413 AM EST Fri Feb 23 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Scattered
showers.
.TONIGHT...East to southeast winds 15 to 20 knots. Seas 3 to 5
feet. Scattered showers.
.SATURDAY THROUGH SUNDAY...East to southeast winds near 15 knots.
Seas 2 to 4 feet. Scattered showers.
.SUNDAY NIGHT AND MONDAY...East to southeast winds 10 to 15 knots.
Seas 2 to 3 feet. Isolated showers.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...East winds near 10 knots.
Seas around 2 feet. Isolated showers.

$$
BS



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