In most locations including the Hawaiian Islands, swimming with humpback whales is not allowed. However, we might get in the water near the smaller species of whales that we encounter year-round. For ex. we often swim successfully near pilot whales and pygmy killer whales. All in-water interaction is dependent on whale behavior and water conditions. [...]

We do not guarantee specific wildlife encounters or snorkeling, and this is by design. Our tours take place in the wild ocean, where conditions and animal behavior are constantly changing. While Hawaiʻi’s West Coast is exceptionally rich in marine life—and we very often encounter whales, dolphins, and turtles (frequently all three)—no ethical operator can [...]

While Hawaii does have year round whale watching -  the seasonal humpback whale arrival can begins as soon as Fall. The population increases as the season progresses as different classes of whales leave Alaska at different times. For example, females nursing calves leave the Alaska feeding. So although there are many whales and daily sightings [...]