Makaha Caverns features dramatic lava tube swim-throughs, arches, and caverns with abundant marine life including turtles and reef sharks along Oahu's western coast.
Difficulty
Intermediate
Max Depth
21m
Type
Boat
Typical Visibility
21m
Conditions Summary
Best time today
6AM - 12PM
GREAT
Best day in forecast
Wednesday
GREAT
2026-02-18
Community-reported visibility
n/a
Warnings for today
None
West-facing site with lava tubes. Exposed to west through northwest energy. South swell wraps in. Protected from trade winds. Winter swells create significant surge through caverns. Watch air consumption while admiring light beams.