Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home About Us Contact Us
 
 
    
    Station List

 Data Access
    Mobile Access
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    BuoyCAMs
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Web Widget
    Email Access
    Web Data Guide
    Maintenance Schedule
    Station Status Report

 Program Info
    TAO
    DART®
    IOOS®

 Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

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

Hurricane Symbol Storm Special! View the latest observations near Atlantic Tropical Storm Kirk and East Pacific Tropical Storm Rosa.

The NDBC website is now available only via HTTPS. Please update your bookmarks and/or links to use https://www.ndbc.noaa.gov/.

National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 260823
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
423 AM EDT Wed Sep 26 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.

GMZ005-261430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
423 AM EDT Wed Sep 26 2018

SYNOPSIS
A broad ridge axis will persist north of the Florida
Keys today through Saturday. Moderate east to southeast breezes
today through Friday will freshen Friday night and Saturday as the
ridge axis strengthens to our north.

The Approximate Shoreward Edge of the Gulf Stream as of
September 25...

 1 NM South of Dry Tortugas Light...on Loggerhead Key.
 4 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 8 NM South of Sand Key Light...off Key West.
11 NM South of Looe Key...off Big Pine Key.
 9 NM South of Sombrero Key Light...off Marathon.
 9 NM Southeast of Alligator Reef Light...off Islamorada.
 5 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.



GMZ031-261430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
423 AM EDT Wed Sep 26 2018

TODAY
East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.

TONIGHT
East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.

THURSDAY
East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Scattered showers and isolated
thunderstorms.

THURSDAY NIGHT AND FRIDAY
East winds 10 to 15 knots. Bay
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Bay waters
a moderate chop. Scattered showers and isolated thunderstorms.

SATURDAY
East winds near 15 knots. Bay waters a moderate chop.
Scattered showers and isolated thunderstorms.

SATURDAY NIGHT
Northeast to east winds near 15 knots. Bay
waters a moderate chop. Scattered showers and isolated
thunderstorms.

SUNDAY
East winds 15 to 20 knots. Bay waters choppy. Scattered
showers and isolated thunderstorms.

SUNDAY NIGHT
Northeast to east winds 15 to 20 knots. Bay
waters choppy. Scattered showers and isolated thunderstorms.



GMZ032-035-261430-
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-
423 AM EDT Wed Sep 26 2018

TODAY
East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.

TONIGHT
East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.

THURSDAY
East to southeast winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. Scattered showers
and isolated thunderstorms.

THURSDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas
1 to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.

FRIDAY
East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop. Scattered showers and
isolated thunderstorms.

SATURDAY
East winds near 15 knots. Seas 1 to 3 feet. Nearshore
waters a moderate chop. Scattered showers and isolated
thunderstorms.

SATURDAY NIGHT
Northeast to east winds 15 to 20 knots. Seas
2 to 4 feet. Nearshore waters choppy. Scattered showers and
isolated thunderstorms.

SUNDAY
East winds near 15 knots. Seas 1 to 3 feet. Nearshore
waters a moderate chop. Scattered showers and isolated
thunderstorms.

SUNDAY NIGHT
Northeast to east winds 15 to 20 knots. Seas 2 to
4 feet. Nearshore waters choppy. Scattered showers and isolated
thunderstorms.



GMZ042>044-261430-
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-
423 AM EDT Wed Sep 26 2018

TODAY
East winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.

TONIGHT
East winds near 15 knots. Seas 2 to 3 feet. Nearshore
waters a moderate chop. Scattered showers and isolated
thunderstorms.

THURSDAY THROUGH FRIDAY
East winds 10 to 15 knots. Seas 1 to 3
feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop. Scattered showers and
isolated thunderstorms.

SATURDAY
East winds near 15 knots. Seas 2 to 3 feet. Nearshore
waters a moderate chop. Scattered showers and isolated
thunderstorms.

SATURDAY NIGHT THROUGH SUNDAY NIGHT
East winds 15 to 20 knots.
Seas 2 to 4 feet. Nearshore waters choppy. Scattered showers and
isolated thunderstorms.



GMZ052>055-072>075-261430-
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-
423 AM EDT Wed Sep 26 2018

TODAY
East winds 10 to 15 knots. Seas 2 to 4 feet. Scattered
showers and isolated thunderstorms.

TONIGHT
East winds near 15 knots. Seas 3 to 5 feet. Scattered
showers and isolated thunderstorms.

THURSDAY THROUGH FRIDAY
East winds 10 to 15 knots. Seas 3 to 4
feet. Scattered showers and isolated thunderstorms.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 3 to
5 feet. Scattered showers and isolated thunderstorms.

SATURDAY
East winds near 15 knots. Seas 4 to 5 feet. Scattered
showers and isolated thunderstorms.

SATURDAY NIGHT THROUGH SUNDAY NIGHT
East winds 15 to 20 knots.
Seas 4 to 6 feet. Scattered showers and isolated thunderstorms.



GMZ033-034-261430-
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-
423 AM EDT Wed Sep 26 2018

TODAY
East to southeast winds 10 to 15 knots. Seas 1 to
3 feet. Scattered showers and isolated thunderstorms.

TONIGHT
East winds near 15 knots. Seas 2 to 3 feet. Scattered
showers and isolated thunderstorms.

THURSDAY
East to southeast winds 10 to 15 knots. Seas 1 to
3 feet. Scattered showers and isolated thunderstorms.

THURSDAY NIGHT AND FRIDAY
East winds 10 to 15 knots. Seas 1 to
3 feet. Scattered showers and isolated thunderstorms.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.

SATURDAY
East winds near 15 knots. Seas 2 to 4 feet. Scattered
showers and isolated thunderstorms.

SATURDAY NIGHT THROUGH SUNDAY NIGHT
East winds 15 to 20 knots.
Seas 3 to 5 feet. Scattered showers and isolated thunderstorms.



CLR