National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Key West, FL

Weather Forecast Office

Marine

Weather.gov > Key West, FL > Marine

Marine Weather for the Florida Keys

 

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Hourly Weather Graph for Selected Florida Keys Marine Locations

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LATEST MARINE WEATHER FORECASTS...

 

Florida Keys Marine Zones

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Florida Keys Marine Zones
 
 
 
GMZ042: Hawk Channel from Ocean Reef to Craig Key out to the reef GMZ052: Straits of Florida from Ocean Reef to Craig Key out 20 nm GMZ072: Straits of Florida from Ocean Reef to Craig Key 20 to 60 nm out GMZ043: Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef GMZ053: Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 nm GMZ054: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 nm GMZ073: Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 nm out GMZ074: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 nm out GMZ075: Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas 20 to 60 nm out GMZ055: Straits of Florida from Halfmoon Shoal to GMZ055 20 nm west of Dry Tortugas out 20 nm GMZ034: Gulf of America including Dry Tortugas and Rebecca Shoal Channel GMZ044: Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef GMZ033: Gulf waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms GMZ032: Bayside and Gulfside from Craig Key to Halfmoon Shoal out to 5 fathoms GMZ031: Florida Bay including Blackwater and Buttonwood Sounds GMZ035: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms GMZ035: Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms GMZ042: Hawk Channel from Ocean Reef to Craig Key out to the reef GMZ052: Straits of Florida from Ocean Reef to Craig Key out 20 nm GMZ072: Straits of Florida from Ocean Reef to Craig Key 20 to 60 nm out GMZ043: Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef GMZ053: Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 nm GMZ073: Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 nm out GMZ054: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 nm GMZ074: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 nm out GMZ075: Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas 20 to 60 nm out GMZ055: Straits of Florida from Halfmoon Shoal to GMZ055 20 nm west of Dry Tortugas out 20 nm GMZ034: Gulf of America including Dry Tortugas and Rebecca Shoal Channel GMZ044: Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef GMZ033: Gulf waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms GMZ032: Bayside and Gulfside from Craig Key to Halfmoon Shoal out to 5 fathoms GMZ031: Florida Bay including Blackwater and Buttonwood Sounds
 

 

Marine Observations

Marine Weather Portal

Florida Keys Observations
 

Pulley Ridge (42097)

Pulaski Shoal Light (PLSF1)

Sand Key (SANF1)

Sombrero Key (SMKF1)

Long Key (LONF1)

Molasses Reef (MLRF1)

Fowey Rocks (FWYF1)

Plain Language Ship Report

Other Marine Reports

National Data Buoy Center

South Florida Buoy Location Map

Nowcoast  

 

Sea Surface Temperatures

NOAA/National Ocean Service

NASA Short-Term Prediction Research and Transition Center (SPoRT)

NOAA/NWS Marine Sites

NOAA Telephone Recordings

National Marine Forecasts

Voluntary Observing Ship Program

Latest Mariner's Weather Log (May 2019)

National Ocean Service - NOS

Florida Keys Marine Sanctuary

Harmful Algal Bloom Bulletins

NOAA Teacher at Sea brochure

Marine Weather - Caribbean and Tropical Atlantic
 

Weather and Ocean Maps
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Tropical Atlantic Surface Analysis

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Real-Time Ocean Forecast System

NOAA WAVEWATCH III Model
   

 

Florida Keys Area Forecast Discussion

Marine Weather Warning and Forecast Messages
1 Special Marine Warning
1 Costal Hazard Message
2 Marine Weather Statement
2 Marine Weather Message
2 Short Term Forecast
2 Coastal Waters Forecast for the Florida Keys

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1 Daily Forecasts
1 Weekly Forecasts

Offshore Waters Forecasts
2 Gulf of America, Caribbean, and western North Atlantic

Marine Reporting
2 Join our Marine Weather Spotter Network

 

 

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