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Scuba diving at The Arch in Channel Islands
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The Arch

GOOD
Channel IslandsBoat
About This Site
The Arch at Anacapa Island is one of the most iconic dive sites in the Channel Islands. A spectacular natural rock arch creates a dramatic swim-through, surrounded by prolific marine life and crystal-clear waters. Giant black sea bass are frequently encountered here.

Difficulty

Intermediate

Max Depth

26m

Type

Boat

Typical Visibility

15m

Conditions Summary

Best time today

2PM - 10PM

GREAT

Best day in forecast

Monday

GREAT

2026-02-09

Community-reported visibility

n/a

Warnings for today

  • Rain expected - bacteria levels may increase

South-facing site on Anacapa's southern shore. Directly exposed to south and south-southeast swell at near-full strength. Southwest energy also arrives with moderate impact. Well-protected from all northerly and westerly swell by the island mass. Best conditions during northwest or north swell events.

NNEESESSWWNW
Protected
Partially Exposed
Exposed
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Nearby Dive Sites
Scorpion AnchorageLanding CoveCathedral CoveYellow BanksShag Rock