Blue Whale

Find out about blue whales and discover our extraordinary adventures, including swimming with them in Sri Lanka.

Blue whale safari

Blue whale safari

Swimming the depths of the ocean with support from only a snorkel mask and fins, you dive beneath the surface to come face to face with the biggest animal ever known to live on planet earth. Coming up for air only when you have to, you enjoy swimming alongside graceful blue whales in constant awe of their sheer size.


The summers in the Polar Regions are the best time to view them in icy climes. Svalbard’s summer lasts from June to August, and it happens to be the best time to navigate via ship in search of bears too. In Antarctica the summer months last from October to March, with February and March being the best time to see whales. Sri Lanka is one of the best places to see blue whales in the world, with the best sightings in December, January and April; February and March are quite good too.


We offer swimming with blue whales in Sri Lanka as one of our specialist led expeditions; just a handful of lucky travellers have the opportunity to join our expert guide, Patrick Dykstra, to accompany researchers helping with their studies whilst swimming with and being photographed alongside the whales.


Expert view: Arabella Worthington

Expert view: Arabella Worthington

Our blue whale safari in Sri Lanka gives you a unique opportunity to actually swim alongside, and be photographed with, these magnificent marine animals. You can then combine this with seeing leopards, exploring the culture, or just relaxing on the beach - it’s one of my favourite safaris.

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watch Footage from our Whale Safaris in Sri Lanka

The blue whale

Blue whales are the largest animal ever known to exist on Earth, reaching up to 30 metres in length. With a heart the size of a car and a tongue that can weigh as much as an elephant, you can only imagine how awe-inspiring an encounter with a blue whale can really be. They have a long lifespan and are one of the noisiest creatures, with a low frequency whistle that reaches up to 188 decibels and stretches for hundreds of miles. It is thought that the highly structured, repetitive sounds can travel for many miles, and that the ‘songs’ are used to locate large krill masses and to communicate with each other – it is thought they can hear each other up to 1,000 miles away in good conditions.


Blue whales are baleen, meaning they have a comb-like material on their top jaw for feeding. Gulping in huge amounts of water, their throat and belly expanding due to pleated throat grooves, they then push it all out through the fingernail-like material, trapping thousands of krill before swallowing them.


They look deep blue under the water, yet have more of a grey-blue colour up close. They spend their summers feeding in polar waters, moving towards the equator in the winters.


It is thought that between 10,000 and 25,000 blue whales still explore the waters of the earth.

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Why book with us

We are destination specialists

Our team of specialists have extensive on-the-ground knowledge and have all lived, guided or explored in great detail the destinations that they sell. They will design your journey around you, at the right place at the right time.

We are wildlife specialists

As a leading specialist operator we have excellent partnerships with naturalists and conservationists. We know our wildlife and do what we can to preserve its natural habitat.

We really care about our destinations

At Natural World Safaris we frequently monitor the social, economic and environmental impact of our travel operations to ensure we are at the forefront of a sustainable and ethical tourism industry. 

Talk to one of our specialists for further details on seeing whales in the wild.