J-Caves Suggest edit

Tonga Suggest · Haʻapai Suggest

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IntermediateDifficulty

AdvancedRecommended cert

30Max dive depth

30.0 mSite max depth

15.0–30.0 mVisibility

MildCurrent

ModerateSurge

50 minAvg dive time

May to OctoberBest months

25.0–29.0 °CWater (summer)

22.0–26.0 °CWater (winter)

Overview

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J-Caves is a stunning dive site located in the Haʻapai island group of Tonga, known for its unique underwater cave formations and vibrant marine life. The site offers divers the chance to explore intricate cave systems teeming with colorful corals and various fish species.

Divers can navigate through a series of caves and swim-throughs, experiencing the play of light filtering through the openings. The marine biodiversity includes soft corals, sponges, and occasional sightings of larger pelagic species.

Conditions

Visibility: 15.0–30.0 m Suggest edit
Currents: Mild Suggest edit
Surge: Moderate Suggest edit
Water temp (summer): 25.0–29.0 °C Suggest edit
Water temp (winter): 22.0–26.0 °C Suggest edit

Logistics

Entry: Boat Suggest edit
Permits required: No Suggest edit
Bottom types:
rock coral sand Suggest edit

Photo tips

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Bring a wide-angle lens for cave shots, and be mindful of lighting conditions.

Location

Underwater Moments at J-Caves

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Important safety note

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The information has been compiled with the utmost care but may contain errors. Always do your own research and consult local dive operators/centers.