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National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 170828
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
428 AM EDT Tue Jul 17 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.

GMZ005-171430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
428 AM EDT Tue Jul 17 2018

SYNOPSIS
A weak pressure pattern over the Florida Keys coastal
waters will persist for most of this week.

The Approximate Shoreward Edge of the Gulf Stream current, as of
July 14th, 2018.

49 NM South of Dry Tortugas Light, on Loggerhead Key.
29 NM South of Cosgrove Shoal Light, off the Marquesas Keys.
23 NM South of Sand Key Light, off Key West.
15 NM South of Looe Key, off Big Pine Key.
15 NM South of Sombrero Key Light, off Marathon.
15 NM Southeast of Alligator Reef Light, off Islamorada.
12 NM Southeast of Molasses Reef Light, off Key Largo.
 9 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.



GMZ031-171430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
428 AM EDT Tue Jul 17 2018

TODAY
Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers and thunderstorms.

TONIGHT THROUGH THURSDAY
Southeast to south winds near 5
knots. Bay waters smooth. Isolated showers and thunderstorms.

THURSDAY NIGHT
Southeast winds near 5 knots. Bay waters
smooth. Isolated showers and thunderstorms.

FRIDAY THROUGH SATURDAY
Southeast to south winds 5 to 10
knots. Bay waters smooth to a light chop. Isolated showers and
thunderstorms.

SATURDAY NIGHT
Southeast winds near 5 knots. Bay waters
smooth. Isolated showers and thunderstorms.



GMZ032-035-171430-
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-
428 AM EDT Tue Jul 17 2018

TODAY
Variable winds near 5 knots. Seas less than 1 foot.
Nearshore waters smooth. Isolated showers and thunderstorms.

TONIGHT THROUGH THURSDAY
Mainly south winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

THURSDAY NIGHT AND FRIDAY
Variable winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

FRIDAY NIGHT AND SATURDAY
East to southeast winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop. Isolated showers and thunderstorms.

SATURDAY NIGHT
Southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Isolated showers and thunderstorms.



GMZ042>044-171430-
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-
428 AM EDT Tue Jul 17 2018

TODAY
Southeast winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.

TONIGHT AND WEDNESDAY
Variable winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Isolated
showers and thunderstorms.

WEDNESDAY NIGHT AND THURSDAY
Variable winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth. Isolated showers and
thunderstorms.

THURSDAY NIGHT
Variable winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Isolated showers and thunderstorms.

FRIDAY THROUGH SATURDAY
East to southeast winds 5 to 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop.
Isolated showers and thunderstorms.

SATURDAY NIGHT
East to southeast winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth. Isolated showers and 
thunderstorms.



GMZ052>055-072>075-171430-
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-
428 AM EDT Tue Jul 17 2018

.TODAY..East to southeast winds 5 to 10 knots, becoming variable.
Seas 1 to 3 feet. Isolated showers and thunderstorms.

TONIGHT AND WEDNESDAY
Variable winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers and thunderstorms.

WEDNESDAY NIGHT AND THURSDAY
Northeast to east winds 5 to 10 knots.
Seas 1 to 2 feet. Isolated showers and thunderstorms.

THURSDAY NIGHT THROUGH SATURDAY
Southeast winds near 10 knots.
Seas 2 to 3 feet. Isolated showers and thunderstorms.

SATURDAY NIGHT
Variable winds near 5 knots. Seas 1 to 2 feet.
Isolated showers and thunderstorms.



GMZ033-034-171430-
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-
428 AM EDT Tue Jul 17 2018

TODAY
Variable winds near 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.

TONIGHT THROUGH THURSDAY
Variable winds near 5 knots. Seas 1
foot or less. Isolated showers and thunderstorms.

THURSDAY NIGHT AND FRIDAY
Variable winds near 5 knots. Seas 1
foot or less. Isolated showers and thunderstorms.

FRIDAY NIGHT AND SATURDAY
Southeast to south winds 5 to 10
knots. Seas around 1 foot. Isolated showers and thunderstorms.

SATURDAY NIGHT
Variable winds near 5 knots. Seas 1 foot or
less. Isolated showers and thunderstorms.



APA