dive site flag
marine life
Didn't find your dive site? Add dive site

Scuba Diving in Oahu

Oahu, also known as The Gathering Place, is the third-largest of the Hawaiian Islands, measuring about 596 square miles (1,545 square kilometers). It is the most visited island in Hawaii, welcoming over 4 million visitors every year. The wonderful weather, stunning landscape, and the multitude of activities that can take place here make Oahu a must-see for tourists of all ages and interests.

Scuba Diving Oahu Info

Oahu has over 40 sites to offer divers of all levels of experience that come here to explore its waters. Reefs, an abundance of species and fish, and impressive wrecks all await divers in this idyllic destination.

scuba divers in oahu
Diving with the turtles in Oahu. Photo by Ian Kennedy

When to Visit

The south shore of Oahu is diveable all year round, but the northern and western shores are often not accessible during the winter months because of the high surf.

Water Temperature

The water temperatures in Oahu range from 75° F/24° C in January to up to 81° F/27° C in August and September.


It depends on where you plan on diving because it is highly possible to experience strong and unpredictable currents on many dive sites in Oahu.

Types of Diving

  • Reef diving
  • Wreck diving
  • Deep diving
  • Night diving

Oahu Diving Highlights

Marine Life

About 25 percent of the species of fish inhabiting the waters of the Hawaiian Islands are endemic. About 680 species of fish, 18 different species of toothed dolphins, and 8 species of baleen whales can be found in the Hawaii region. Consequently, diving in Oahu offers an amazing experience for those interested in sharing the water with sea creatures of all shapes, color, and sizes.

Some of the species of animals divers can spot here include the spinner dolphin, monk seals, manta rays, bandit angelfish, longnose butterflyfish, raccoon butterflyfish, bluestripe snappers, tangs, Moorish idols, yellowfin goatfish, parrotfish, and Hawaii’s state fish - the humuhumunukunukuapuaa.


divers near a wreck in oahu
Wreck diving in Oahu. Photo by Ian Kennedy

There are over 10 accessible wrecks around the island of Oahu, teeming with all kinds of sea life. They’re usually the best places to spot the Hawaiian stingray, white-tip reef sharks, and pelagic fish. Many of the wrecks offer swim-throughs, and advanced divers can penetrate the ships or planes.

Your Suggested Description

Thank you! The suggestion has been sent!

Care to contribute to this information?

Passionate about diving?

dive.site is a growing social media platform designed exclusively for divers.
Explore a comprehensive dive map, track your dives, upload your dive logs, connect with your dive buddies or other divers from around the world, and more.

join dive.site

Dive sites in the area:

Dive Site Map
Sea Tiger Shipwreck

Oahu, Hawaiian Islands

Dive Site Map

Oahu, Hawaiian Islands

Dive Site Map
San Pedro And The Yo-257

Oahu, Hawaiian Islands

Dive Site Map
Turtle Canyon

Oahu, Hawaiian Islands

Dive Site Map
Three Tables Cathedral

Oahu, Hawaiian Islands

Dive Site Map
Koko Craters

Oahu, Hawaiian Islands

Dive Site Map
Kahala Barge

Oahu, Hawaiian Islands

Dive Site Map
Dominique's Wall

Oahu, Hawaiian Islands

Dive Site Map
Waimea Bay Deep Pearls

Oahu, Hawaiian Islands

Dive Site Map
Electric Beach Pipe

Oahu, Hawaiian Islands

Check out other diving destinations