Blue Whale Azores May – Encounter Guide & Best Sites

Peak blue whale season in the Azores. Combined blue and sperm whale days are possible. The rarest combination in accessible whale watching.

Encounter overview

Diving or snorkelling with blue whales in Azores during May is high season, with an encounter probability of approximately 80% under normal conditions. The blue whale is the largest animal that has ever existed on Earth. Watching one surface – the long, mottled blue back rolling out of the sea – recalibrates your sense of scale in ways that don’t fully leave you.

Best sites

• Pico (Lajes)
• Faial (Horta)
• Graciosa

What to expect

Blue whales are mostly encountered at the surface between dives that last 10-20 minutes. They follow krill, making their routes somewhat predictable during feeding season. In-water encounters are rare and require the whale to be relaxed and stationary.

Water conditions in May

Water temperature in Azores typically ranges 17-24°C. Visibility at Pico (Lajes) in May is generally good; check local liveaboard or dive operator reports the week of your trip for specific conditions. Open water, blue water, pelagic is the primary dive style in Azores.

Practical tips

Keep a minimum 100 m vessel distance where regulations apply. In-water encounters require specialist operators in locations where they are permitted. Hydrophones let you hear them calling before they surface.

Getting there

Fly into Ponta Delgada (PDL) on São Miguel; Faial (HOR). Blue and sperm whale watching, mobula rays, blue sharks, mako sharks, common dolphins. EU/Schengen visa applies (visa-free for many nationalities). Currency: Euro (EUR).

Is May a good time to visit Azores for blue whale?

Yes – May is high season for blue whales in Azores. Encounter probability is around 80% on a dedicated trip. Best sites include Pico (Lajes), Faial (Horta), Graciosa. Check availability at Pico (Lajes) as spaces fill quickly in peak months.