YO-257 is a sunken Navy oiler off Waikiki, now an artificial reef teeming with life. This wreck dive offers swim-throughs and historical intrigue, perfect for advanced divers.
Difficulty
Advanced
Max Depth
100 ft
Type
Boat
Typical Visibility
100 ft
Conditions Summary
Best time today
10AM - 4PM
GREAT
Best day in forecast
Thursday
GREAT
2026-02-05
Community-reported visibility
n/a
Warnings for today
None
South-facing wreck site exposed to south swells, creating surge at depth. Protected from trade wind chop. North and west swells have minimal impact. Heavy submarine traffic demands careful ascent with surface marker.
