Scuba Diving Chuuk (Truk)


Map of Micronesia

Welcome to diving Chuuk State’s TRUK LAGOON, Fed States of Micronesia ! This giant oceanic lake with high islands and 180 miles of encircling barrier reef served as a naturally protected base for Japan’s conquest of the entire western Pacific, leading to fierce battles by Allied forces to end the military dominance. huge Allied attack coded ‘Operation Hailstone’ in February 1944, and two subsequent attacks in April and June left Truk’s lagoon floor and isles vastly littered with destroyed aircraft, and cargoes aboard sunken military ships.

The Allied ‘Operation Hailstone’ in February 1944, and two more attacks of April and June ‘44 left the lagoon floor littered with Japanese cargo and armed military ships. Decades later, they have become natural reefs, draped with corals and serving as fish havens, with most wartime artifacts still aboard. They are fascinating sites to visit and many are accessible to any experience levels of divers. Shallower ships have become overgrown reefs hosting species of over 700 fish and nearly 400 corals, plus numerous invertebrates.

This location is unsurpassed for quantity of dive accessible wreckage in close proximity, situated in shallow clear waters. Many wrecks are visible while snorkeling, and various on-shore ruins can be viewed as relics of the past conflict. .

Most shipwrecks lie adjacent to the high islands of DubIon, Eten, Fefan and Uman, and represent the largest naval loss in history. Their cargoes of tanks, trucks, airplanes, mines, bombs, machine gun bullets and thousands of other artifacts including beautiful china are there still to be explored.

The islands of this big atoll are rich with natural beauty, and a 180 mile encircling barrier reef is full of sand spits with overhanging coconut palms. Various mid-lagoon high islands have emerald peaks rising to blue skies.

A slow paced life in Chuuk often permits time to enjoy its natural features with lush islands as home to beautiful migratory birds, with occasional bird watchers viewing them at higher locations.

Divers are amazed in viewing preserved shipwrecks still in pristine condition following 70 years of submerging into warm, tropic waters. Truk is undisputedly the world’s finest shipwreck diving destination. Wide assortments of hard and soft corals in brilliant colors delight both day and night divers, and vast selections of in-place artifacts testify to its historic preservation by local authorities.

Historic items among encroaching jungles include a Japanese lighthouse, perched atop a high island, reached by hiking or driving. Old runways, command centers, gun emplacements, cave networks, hospitals and libraries can be located when utilizing a knowing guide.

The most suitable method to explore Chuuk is from aboard a liveaboard dive vessel. Often overlooked outer reefs have wide varieties of pelagic and reef fish along cascading coral walls stretching down into a blue abyss below. Windsurfing and sailing are popular during NE tradewind periods from Dec to late April.


Diving Season:

Chuuk is a true year round diving destination at equatorial mid-Pacific, with warm sun often interspersed by short sharp tropic showers, reverting back to warm sunshine. A rainy 10 minutes, one hour, or occasional day, bring an annual average rainfall of 85-95 inches, spread unpredictably year round after long years of recorded measure. .

Water Visibility:

Lagoon visibility runs from 30 ft (10m) up to 100 ft (32m).in differing locations and times.

Open ocean viz outside lagoon reefs average 150-180ft (60m)

Water Temperature:

Within lagoon is 84-87F (29-30C) at most all lagoon depths.


Daytime temps from 80-90F (30-34C) Night temps about 80F (27C) Slightly drier and cooler during NE trade breezes from December through April. Humidity increases through May to November calms (doldrums). An occasional storm may start from intense ocean evaporations at this ITCZ zone, with a wet humid day gradually intensifying as a system moves westward. There are no predictable Typhoon seasons here.

Skill Levels:

All skill levels of certified divers are welcomed, and their limits will be drawn from observing in-water skills as viewed by our professional dive team. Good breathing control and ability to stay within safe boundaries of their chosen dive system will govern access to certain attractions below.

What To Expect to See:

Coral encrusted ship wrecks from WWII plus wide versions of Indo-Pacific aquatic life with sharks and massive schools of tropic fish.and invertebrates