Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 230819
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
419 AM EDT Sat Sep 23 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.

GMZ005-231430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
419 AM EDT Sat Sep 23 2017

.SYNOPSIS...Weak high pressure will persist at least through the
weekend.

The Approximate Shoreward Edge of the Gulf Stream as of
September 21, 2017,

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

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

$$

GMZ031-231430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
419 AM EDT Sat Sep 23 2017

.TODAY...Northeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms.
.TONIGHT...Northeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms.
.SUNDAY THROUGH MONDAY...Variable winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Variable winds 5 to 10
knots. Bay waters smooth to a light chop. Scattered showers and
isolated thunderstorms.

$$

GMZ032-035-231430-
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-
419 AM EDT Sat Sep 23 2017

.TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms.
.TONIGHT...Northeast to east winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Scattered showers
and isolated thunderstorms.
.SUNDAY THROUGH MONDAY...Variable winds 5 to 10 knots. Seas 1
foot or less. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Variable winds 5 to 10
knots. Seas around 1 foot. Nearshore waters smooth to a light
chop. Scattered showers and isolated thunderstorms.

$$

GMZ042>044-231430-
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-
419 AM EDT Sat Sep 23 2017

.TODAY...North to northeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.TONIGHT...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.SUNDAY THROUGH MONDAY...Northeast to east winds 5 to 10 knots.
Seas 1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Variable winds 5 to 10
knots. Seas around 1 foot. Nearshore waters smooth to a light
chop. Scattered showers and isolated thunderstorms.

$$

GMZ052>055-072>075-231430-
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-
419 AM EDT Sat Sep 23 2017

.TODAY...North to northeast winds near 10 knots. Seas 2 to 3
feet, except 3 to 5 feet feet due to northeast swells offshore
Ocean Reef to Craig Key. Scattered showers and isolated
thunderstorms.
.TONIGHT...Northeast to east winds near 10 knots. Seas 2 to 3
feet, except 3 to 5 feet feet due to northeast swells offshore
Ocean Reef to Craig Key. Scattered showers and isolated
thunderstorms.
.SUNDAY THROUGH MONDAY...East winds 5 TO 10 knots. Seas 1 to 3
feet, except 3 to 5 feet feet due to northeast swells offshore
Ocean Reef to Craig Key. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Variable winds 5 to 10
knots. Seas 1 to 2 feet, except 3 to 5 feet due to northeast
swells offshore Ocean Reef to Craig Key. Scattered showers and
isolated thunderstorms.

$$

GMZ033-034-231430-
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-
419 AM EDT Sat Sep 23 2017

.TODAY...Northeast to east winds near 10 knots. Seas 1 to 3 feet.
Scattered showers and isolated thunderstorms.
.TONIGHT THROUGH MONDAY...Northeast to east winds 5 to 10 knots.
Seas 1 to 2 feet. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Variable winds 5 to 10
knots. Seas 1 to 2 feet. Scattered shower and isolated
thunderstorms.

$$

BWC



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