Florida Keys Marine Forecast Interactive Clickable Zone Map
Marine forecast zone from the state of Florida, Florida Keys NOAA office which includes the Gulf of America, Atlantic, coastal waters, bays and offshore. Marine forecast areas included are Key Largo, Tavernier, Islamorada, Layton, Matecumbe Key, Conch Key, Duck Key, Grass Key, Marathon, Big Pine Key, Cudjoe Key, Ramrod Key, Little Torch Key, Summerland Key, Big Coppitt Key, Rockland Key, Sugarloaf Key, Stock Island, Key West and the Dry Tortugas
Florida Keys Marine Zone Map
Click highlighted zone for marine zone link
Marine Weather Warnings Map
Click highlighted zone for warning details
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
Expires:202611010230;;025961 FZUS52 KKEY 311419 CWFKEY Coastal Waters Forecast for the Florida Keys National Weather Service Key West FL 1019 AM EDT Sat Oct 31 2026 Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of America, 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. The Wave Detail section highlights the period and direction of origin for the highest-energy waves, as well as any long-period swells moving in a different direction than the wind. GMZ005-010230- Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1019 AM EDT Sat Oct 31 2026 .SYNOPSIS... A broad area of high pressure over the eastern United States will sustain moderate to fresh breezes across the Florida Keys waters this weekend. Small Craft Should Exercise Caution headlines may be required for portions or all marine zones tonight. Breezes are on track to slacken tomorrow, but elevated winds along the Florida Peninsula will generate higher northerly swell for the waters south of the Upper Keys. After the initial higher winds tonight, breezes will slacken during the weekend. Light to gentle breezes are possible midweek. Shower chances are expected to peak tomorrow through Monday with drier conditions during the middle of the week. The Approximate Shoreward Edge of the Gulf Stream as of October 27, 2026... 19 NM south of Dry Tortugas Light, on Loggerhead Key 34 NM south of Cosgrove Shoal Light, off the Marquesas Keys 28 NM south of Sand Key Light, off Key West 38 NM south of Looe Key, off Big Pine Key 31 NM southeast of Sombrero Key Light, off Marathon 17 NM south-southeast of Alligator Reef Light, off Islamorada 10 NM southeast of Molasses Reef Light, off Key Largo 10 NM northwest of Carysfort Reef Light, off Ocean Reef Gulf Stream Information Courtesy of the National Weather Service in Key West, using data from RTOFS and NASA SPoRT SST. $$
Coastal marine forecasts from NOAA National Weather Service. Marine forecasts are issued at least four times a day. Advisories, watches and warnings for marine areas are issued as required. Internet forecasts should never be relied upon to obtain the latest forecast and warning data. Use other means such as NOAA Weather Radio to obtain the latest forecasts and warnings.
Florida Keys Zone Marine Forecast Text Links
- GMZ033 Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
- GMZ044 Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
- GMZ034 Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel
- GMZ055 Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM
- GMZ035 Gulf of Mexico from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
- GMZ075 Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 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
- 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
- GMZ053 Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM
- GMZ043 Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef
- GMZ072 Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out
- GMZ052 Straits of Florida from Ocean Reef to Craig Key out 20 NM
- GMZ042 Hawk Channel from Ocean Reef to Craig Key out to the reef
- GMZ031 Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound
- GMZ032 Bayside and Gulf side from Craig Key to West End of Seven Mile Bridge
For more marine forecast information for the Florida Keys zone visit the following office website: