Where and when to see blue sharks
Slender, deep-blue ocean sharks met on offshore blue-water dives, mostly in summer in the Azores and other temperate oceans.
This guide documents sightings in 1 Good Dives region. The most regions are in peak season in August–September.
Blue sharks sighting calendar
Calendar months, every year
Peak = best odds · ● = regularly seen · blank = unlikely.
Calendars describe animal presence, not weather or site access; check each region’s dive season. For grouped animals, a marked month may apply to only one member of the group. Sightings vary by site and dive.