Whale watching generates significant economic value and conservation support, but poorly managed operations cause measurable welfare harm to cetacean populations through boat pressure and behavioural disturbance.
Whale watching welfare depends critically on whether operations are regulated and whether regulations are enforced. The welfare impact of a single respectful boat at appropriate distance is minimal; the cumulative impact of dozens of vessels approaching repeatedly throughout the day is measurable in changed behaviour, reduced foraging success, and physiological stress indicators. Regulations that set minimum approach distances, limit vessel numbers per animal or group, prohibit sudden speed changes and direction towards whales, and restrict time in animal vicinity can reduce welfare impact to acceptable levels. The industry has economic incentives to maintain healthy populations, creating some alignment with welfare, but short-term competitive pressure often drives operators toward closer approaches.