When is the best time to dive where?

Australia
Jan  
Feb  
Mar Whale sharks
Apr
May
Jun Minke whales  
Jul Humpback whales
Aug
Sep  
Oct  
Nov  
Dec  

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Bahamas
Jan  
Feb Bull & tiger sharks
Mar
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Belize
Jan  
Feb  
Mar  
Apr Whale sharks
May
Jun
Jul  
Aug  
Sep Whale sharks
Oct  
Nov  
Dec Groupers spawning

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Cayman Islands
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Costa Rica
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul Hammerheads
Aug
Sep
Oct
Nov  
Dec  

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Cuba
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Djibouti
Jan Whale sharks
Feb
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep Whale sharks
Oct
Nov
Dec

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Egypt, Red Sea
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug Mantas & whale sharks
Sep  
Oct  
Nov Grey reef sharks (mating)
Dec  

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Fiji
Jan  
Feb  
Mar  
Apr  
May  
Jun Oceanic hammer­heads   Manta rays
Jul  
Aug Pilot whales
Sep  
Oct  
Nov  
Dec  

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Galapagos Islands
Jan  
Feb  
Mar  
Apr Whale sharks  
May  
Jun Humpback whales
Jul Hammer­heads
Aug  
Sep  
Oct  
Nov  
Dec  

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Hawaii
Jan Humpback whales
Feb
Mar
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Indonesia
Jan  
Feb  
Mar  
Apr Manta rays
May
Jun  
Jul  
Aug  
Sep Mola mola
Oct
Nov
Dec  

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Malaysia
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug Green turtles mating
Sep Green turtles hatching
Oct  
Nov  
Dec  

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Maldives
Jan Manta rays
Feb
Mar
Apr
May Manta rays
Jun
Jul
Aug
Sep
Oct
Nov Whale sharks
Dec Manta rays

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Mexico
Jan Whale season
Feb
Mar
Apr
May  
Jun Manta rays
Jul
Aug Great white shark diving
Sep
Oct
Nov
Dec  

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Micronesia
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Myanmar
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Panama
Jan Bull sharks
Feb
Mar
Apr
May  
Jun  
Jul Hammer­heads
Aug
Sep
Oct
Nov Bull sharks
Dec

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Papua New Guinea
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Philippines
Jan  
Feb  
Mar Hammer­heads
Apr
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Saba / St. Kitts
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Seychelles
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep Whale sharks
Oct
Nov  
Dec  

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Solomon Islands
Jan  
Feb  
Mar  
Apr  
May  
Jun Scall­oped hammer­heads
Jul
Aug
Sep
Oct
Nov  
Dec  

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St. Martin / St. Maarten
Jan  
Feb  
Mar  
Apr  
May  
Jun  
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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Thailand
Jan  
Feb Whale sharks
Mar
Apr
May  
Jun Off season
Jul
Aug
Sep
Oct  
Nov  
Dec  

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Turks & Caicos
Jan Humpback whales
Feb
Mar
Apr  
May  
Jun Nurse shark
Jul  
Aug  
Sep  
Oct  
Nov  
Dec  

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  JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Australia     Whale sharks Minke Whales        
            Humpback whales    
Bahamas   Bull & tiger sharks                  
Belize       Whale sharks     Whale sharks     Groupers spawning
Cayman Islands                        
Costa Rica             Hammerheads    
Cuba                        
Djibouti Whale sharks             Whale sharks
Egypt, Red Sea               Mantas & whale sharks     Grey reef sharks (mating)  
Fiji           Oceanic hammerheads        
              Pilot whales        
          Manta rays    
Galapagos Islands       Whale sharks            
          Humpback whales Hammerheads    
Hawaii Humpback whales                  
Indonesia       Manta rays       Mola mola  
Malaysia               Green turtles mating Green turtles hatching      
Maldives Manta rays Manta rays Whale sharks Manta rays
Mexico Whale season   Manta rays Great white shark cage diving  
Micronesia                        
Myanmar                        
Panama Bull sharks     Hammerheads Bull sharks
Papua New Guinea                        
Philippines     Hammerheads                
Saba / St. Kitts                        
Seychelles                 Whale sharks    
Solomon Islands           Scalloped hammerheads  
St. Maarten / St Martin                        
Thailand   Whale sharks   Off season      
Turks & Caicos Humpback whales     Nurse shark