Ulua (Jack) Cave
Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
Dived here today? How were conditions vs. what we showed?
About this site
Ulua (Jack) Cave lies off the Hawaiian Islands, in waters near the island of Maui within the Hawaiian archipelago. Sites along this stretch of Maui's coastline are typically reached by boat from nearby harbors. Divers here have reported dusky and goldring surgeonfish, yellow tang, lei triggerfish, saddle wrasse, pebbled butterflyfish, and hump coral formations, with false killer whales also noted passing through the area on occasion.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Porites compressaReported here · unconfirmed
Hump CoralPorites lobataReported here · unconfirmed
Goldring SurgeonfishCtenochaetus strigosusReported here · unconfirmed
Yellow TangZebrasoma flavescensReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
False Killer WhalePseudorca crassidensReported here · unconfirmed
Saddle WrasseThalassoma duperreyReported here · unconfirmed
Pebbled ButterflyfishChaetodon multicinctusReported here · unconfirmed
Lei TriggerfishSufflamen bursaReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
No notes yet. Dived here? Be the first to leave a tip.
Share a write-up or a photo. Submissions are reviewed before they appear on the page.
Nearby dive sites
Shops that dive here
No shops have listed this site yet.