Suck 'Em Up is a thrilling boat dive site off the Kona coast, known for its strong currents and lava tubes that create a 'suction' effect. It's ideal for advanced divers seeking an adrenaline-pumping experience.
Difficulty
Advanced
Max Depth
30m
Type
Boat
Typical Visibility
26m
Conditions Summary
Best time today
4PM - 10PM
GREAT
Best day in forecast
Thursday
GREAT
2026-05-21
Community-reported visibility
n/a
Warnings for today
Elevated bacteria levels possible due to recent rainfall
Rain expected - bacteria levels may increase
West-facing lava tube site exposed to west through northwest energy. Surge is a key feature, especially with westerly swell. South swell wraps around. Rough conditions require boat access. Ride the surge, don't fight it.