Whale and dolphin watching in the Canary Islands: what to see and how to choose
Most places in the world where you can watch cetaceans have a season. Here that is only half true, and it is the first thing worth knowing: there are cetaceans in Canarian waters all year round, because some species are not passing through. They live here.
That changes the question. It is not when can I see something, but what do I want to see, and who am I going out with.
What you are most likely to see
Two resident species make up the bulk of almost every trip:
Short-finned pilot whale, a dark, solid animal with a rounded head that usually appears in family groups and often rests at the surface. It is not a large dolphin, though it belongs to the same family: adults comfortably exceed four metres.
Bottlenose dolphin, the classic dolphin, quick and curious, sometimes riding the bow wave.
Many other species pass through across the year, among them rorquals and sperm whales, and less often orcas. The archipelago sits on a migratory route, so the full list of recorded species is long. What does not pay off is going out expecting one particular animal: the sea does not work that way, and an honest operator will tell you so before you board.
Why here in particular
The strong point is the channel between Tenerife and La Gomera, off the south-west coast. There the seabed drops to great depth very close to land, the water is sheltered by the island and the temperature stays stable all year. For an animal that hunts squid at depth, that is a permanent larder with no need to migrate.
That stretch of sea is protected, and over recent years it has become one of Europe's reference sites for watching cetaceans. What matters for you is the practical side: the trip is short, the sea is usually calm, and you do not need three hours of sailing to get there.
If you are staying in south-west Tenerife, it is right on your doorstep. Boats also go out from La Gomera, with the same channel in front of them.
How to tell a responsible trip
This is the part that genuinely changes your experience, and also the part almost nobody checks when booking.
Watching cetaceans is regulated. There are rules on how close a boat may approach, at what speed, how many boats may be with a group at once and how long they may stay. Boats operating under those rules carry an official marking, and it is entirely reasonable to ask about it before you book.
Signs you chose well:
The boat approaches slowly and stops or idles at a distance, letting the animals decide.
Someone on board explains what you are looking at, rather than a speaker playing music.
They tell you upfront that sightings are not guaranteed, even though the odds are good.
No group is chased, cut off or encircled.
Signs you did not:
The boat accelerates towards the animals the moment someone points.
Several boats converge on the same group.
You are promised touching, swimming with them, or a "guaranteed close encounter".
One thing that surprises people: the best sightings tend to be the quietest ones. When the engine drops, the animals come closer, not further away.
What to bring, and what the sea is like
Although the channel is sheltered from the prevailing wind, it is still open sea. Practical things you will be glad of:
Sunscreen and a hat. On the water the sun hits twice as hard, and there is no shade on deck.
A light layer. However warm it is ashore, there is a breeze once you are moving.
If you get seasick easily, take something before boarding, not once you feel it. And look at the horizon, not at your phone.
A camera strap. Plenty of phones have gone over the side in pursuit of the perfect shot.
On photos: almost everyone comes back with pictures of fins and spray. It is worth putting the phone down for a while and simply watching. A group of pilot whales resting at the surface thirty metres from the boat is one of those things a screen does not carry.
When to go
Since the two main species are residents, any month works. What changes with the season is less the animals than the sea and the crowds:
Winter and spring add the chance of migratory species.
Summer and early autumn bring calmer seas on average and more departures per day, but also more boats.
Outside high season groups are smaller, and you feel the difference on board.
Early morning and late afternoon trips are usually quieter, with less traffic on the water.
A note on tourism and the animals
That an activity is regulated does not mean everyone does it equally well. Responsible watching exists and works, and it is in fact one of the reasons these waters are studied and monitored at all: people are out there every day looking at the same groups, and that generates information.
But the balance depends on which boat you fill. If you are interested in how tourism here can work without wearing out the thing people come to see, we have an ecotourism guide applying the same idea on land: farms, wineries and visits that sustain what they show.
Choosing the right boat costs five extra minutes at the booking stage. It is by far the decision that most shapes how the trip goes, and what it leaves behind.
Cover photo: Tony Hisgett (ahisgett), CC BY 2.0, via Wikimedia Commons.
