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Scuba diving at YO-257 & San Pedro in Oahu
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YO-257 & San Pedro

FAIR
OahuBoat
About This Site
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

30m

Type

Boat

Typical Visibility

30m

Conditions Summary

Best time today

9AM - 3PM

GREAT

Best day in forecast

Wednesday

GREAT

2026-02-18

Community-reported visibility

n/a

Warnings for today

  • Strong winds expected

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.

NNEESESSWWNW
Protected
Partially Exposed
Exposed
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