North America › United States of America (USA) › Hawaii
Second Cathedral
12–6 mMax Depth
BoatEntry
52Species
Conditions Summary
The marine forecast is temporarily unavailable. Confirm the actual briefing, entry, exit, and suitability with a local operator.
Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
Apr-Oct
Peak month
Sep 27.0°
Jan24.7°
Feb24.4°
Mar24.4°
Apr24.7°
May25.3°
Jun25.8°
Jul26.3°
Aug26.7°
Sep27.0°
Oct27.0°
Nov26.3°
Dec25.4°
Current: mild
Typical visibility: 20 m
Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.
Explore nearby centers on the map
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Dive Types
ReefCavernOceancaveSalt Waterintermediate Difficulty
Data source & current conditions
Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.
View the source profile →Questions to ask a local operator
- What are today's current, visibility, entry, and exit conditions?
- Does the planned route stay within my certification and recent experience?
- Are there local permits, conservation rules, or equipment requirements?
Common Species
Hawaiian dascyllus
Dascyllus albisella
DeepLog3
Yellow tang
Zebrasoma flavescens
DeepLog3
Arc-eye hawkfish
Paracirrhites arcatus
DeepLog2
Blue-stripe blenny
Plagiotremus ewaensis
DeepLog2
Cleaner wrasse
Labroides phthirophagus
DeepLog2
Cyane's octopus
Octopus cyanea
DeepLog2
Orangespine unicornfish
Naso lituratus
DeepLog2
Scythe triggerfish
Sufflamen bursa
DeepLog2
Sea star starfish
Linckia multifora
DeepLog2
Tiger cowrie
Cypraea tigris
DeepLog2
Turkey moray
Gymnothorax meleagris
DeepLog2
Ardeadoris tomsmithi
DeepLog1
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
