10 Common Questions About Hawaii’s Humpback Whales

A humpback whale breaching near Oahu. Photo © Susan Patricia Leonard/123rf.

The waters off Maui have the highest concentration of humpback whales anywhere on the planet. Here are answers to commonly asked whale-watching questions:

What kind of whales are in Maui?

Although there are rarely seen species such as pilot whales and false-killer whales that inhabit the waters off Maui year-round, 99 percent of the time you will be watching North Pacific humpback whales.

Where are these whales from?

These whales were born here in the warm, protected waters of Hawaii. The humpbacks will then migrate 3,000 miles to their summer feeding grounds in Alaska where they gorge themselves on small fish and krill, and return again in the winter to mate and give birth.

Why don’t the whales mate in Alaska?

Since baby humpbacks are born with minimal amounts of fat, the water is too cold in Alaska.

Do the whales eat at all in Hawaii?

No. While there’s no evidence to suggest that whales wouldn’t eat if given the opportunity, the waters off Maui don’t contain the same degree of zooplankton and marine organisms that humpback whales feed on. Adults go for months at a time without eating, losing up to one-third of their body weight.

How much do humpback whales weigh?

At birth, humpback whales are 10-12 feet long and weigh about a ton. Full-grown adults weight about one ton per foot, which means that a 45-foot humpback will weigh about 90,000 lbs!

Are males or females bigger?

Females are a little bit larger than males, which is known as “reverse sexual dimorphism,” a fancy way of saying “I need to give birth to a 2,000 lb animal so I need to be bigger than you.”

The waters off Maui have the highest concentration of humpback whales anywhere on the planet. Photo © belindah, licensed Creative Commons Attribution.

How quickly do whales swim?

Although they can sprint up to about 20 mph, on average humpback whales travel at a steady rate of 3-5 mph.

How long does it take them to get to Alaska?

Whales spend 6-8 weeks migrating between Alaska and the Hawaiian Islands.

Are whales more active in the morning?

No. Since whales only take short “cat naps,” there isn’t a set time of day when they are asleep. Mornings are often best for whale-watching because the water is calmer and the whales are easier to spot.

What is “getting mugged?”

“Getting mugged” refers to the fact that all boats are required to maintain a 100-yard radius from humpback whales. Should the whales decide to approach the boat it is out of your hands. You need to wait until the whale loses interest. This can be 45 minutes or more.

Kevin Whitton

About the Author

Avid surfer and nature-lover Kevin Whitton has traveled extensively throughout Mexico, Indonesia, and Australia. He’s volunteered as a trail guide in a private Costa Rican rain forest preserve and as a snowmobile guide in Colorado’s Rocky Mountains. When confronted with the choice between living in the mountains and visiting the beach, or living at the beach and visiting the mountains, Kevin refused to choose, deciding to call O’ahu home instead. Now when he waits for a wave at one of his favorite windward or North Shore surf breaks, he can gaze at the verdant mountains and revel in the best of both worlds.

Kevin is the author of the award-winning Green Hawai’i: A Guide to a Sustainable and Energy Efficient Home and A Pocket Guide to Hawai’i’s Botanical Gardens. He writes for Hawai’i’s most notable publications, is active in the island’s surf media, and is the co-founder and editor of GREEN: Hawai’i’s Sustainable Living Magazine.

Learn more about this author

Kyle Ellison

About the Author

Kyle Ellison began researching the island of Maui when he first moved there at the tender age of five. Back then, the island still had three sugar mills, Wailea didn’t exist, and early mornings were punctuated by the sound of bombs falling on Kaho’olawe. The island has changed considerably since then, but Kyle’s love of Maui has remained.

A Maui resident, surfer, and diver, Kyle has led groups of divers as a divemaster at Molokini, led scuba tours on the island of Lana’i, hosted hundreds of hikers on Maui, and proposed to his wife off the island of Moloka’i while diving with hammerhead sharks. Kyle’s son can usually be found splashing in the water at Baldwin Beach.

As a freelance writer, Kyle’s work has appeared in the San Francisco Chronicle, Travel + Leisure, Maui No Ka ‘Oi, Ka’anapali Magazine, AOL Travel, Escape, Journey Viator, Gadling, Afar, and the Huffington Post, and on the Travel Channel. His travels have taken him to 65 countries and 49 U.S. states. He also helped found a nonprofit organization that provides scholarships for students in Cambodia.

For more info on Kyle and his travels, visit him at kylethevagabond.com, or on Twitter and Instagram @kylethevagabond.

Learn more about this author

Pin it for Later