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Scuba diving at Lehua Crater in Kauai
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Lehua Crater

BAD
KauaiBoat
About This Site
Lehua Crater is a crescent-shaped volcanic crater off the northern coast of Niihau, accessible as a day trip from Kauai. Known for dramatic underwater topography and diverse marine life, this site offers vertical walls, swim-throughs, and vibrant coral gardens in typically clear water conditions.

Difficulty

Intermediate

Max Depth

30m

Type

Boat

Typical Visibility

21m

Conditions Summary

Best time today

5PM - 8PM

BAD

Best day in forecast

Wednesday

BAD

2026-02-11

Community-reported visibility

n/a

Warnings for today

  • High waves expected
  • Strong surge expected
  • Elevated bacteria levels possible due to recent rainfall

North-facing crescent islet exposed to north through west swells. South swell wraps around. Strong currents common; diving limited to summer. Timing surge at keyhole arch is critical.

NNEESESSWWNW
Protected
Partially Exposed
Exposed
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