Port Blair's popularity with divers and snorkelers results mainly from the noteworthy promotion of the eco-friendly tourist activities created by regional authorities.
This help guide lists the best sites for scuba diving and snorkeling at Port Blair and marine species found near the capital city of Andaman and Nicobar Islands.
You will find the best diving destinations in the Andaman Islands in the south, such as at Havelock and Neil Island.
In general, you should expect to have good underwater visibility. In fact, the water clarity extends to forty metres (130 feet) during the optimum months for diving.
So, when is the best time to dive in the Andaman Islands? The peak season for scuba diving starts around the end of October and runs all the way through to May.
Having a tropical climate means the sea temperature is warm for most of the year, averaging 28° Celsius (around 82° Fahrenheit). Even so, some of the dive sites around Port Blair can have strong water currents, including down currents where they collide with steep walls.
Note: The climate during the first half of the year is mostly sunny and hot with calm flat seas. But, it may be best to avoid the area when the May monsoons arrive - even though diving is still available at some selected sites.
The diverse marine life and colourful reef gardens are the main reasons for adding Port Blair dive sites to our list of scuba destinations in India.
Typical aquatic animals and marine biodiversity found in the area include:
Note: Port Blair is the capital and the largest city in the Andaman and Nicobar Islands. It is also known locally as the Emerald Islands and the focal point for journeys to the southern Andaman Islands. The hilly green city of Port Blair is towards the south east which makes it a popular destination from Chennai and Kolkata. New 'undamaged' dive sites are still being discovered in this region.
There are more locations for divers of all certification levels to explore when scuba diving in Andaman and Nicobar Islands, including:
Note: Another section explains more about passive interaction with marine animals and the importance of diving safely around hazardous sea life.