Blue Hole

The Pacific › Guam

Blue Hole

18–12 mMax Depth
BoatEntry
3Species

Conditions Summary

Model forecast · local time (GMT+10)

Planning signal71/100
Waves
1.4 m
8.3 s
Swell
1.2 m
6.5 s
Current speed
0.0 km/h
flowing toward E
Water temperature
29.2°C
Wind
2.5 km/h
→ NE
Sea level
0.3 m
falling
WavesChallenging
SwellWatch
Current speedCalm

Forecast Overview

TodayChallenging
Waves1.3–1.4 mCurrent speed0.6 km/h maxWater temperature29.4°C
TomorrowChallenging
Waves1.1–1.3 mCurrent speed0.9 km/h maxWater temperature29.4°C
Tue, Sep 8Challenging
Waves1.1–1.2 mCurrent speed0.6 km/h maxWater temperature29.4°C
Wed, Sep 9Challenging
Waves1.2–1.2 mCurrent speed0.6 km/h maxWater temperature29.3°C
Next 72 hours
07:00
Waves: 1.4 m
Current speed: 0.0 km/h
Water temperature: 29.2°C
13:00
Waves: 1.4 m
Current speed: 0.4 km/h
Water temperature: 29.4°C
19:00
Waves: 1.4 m
Current speed: 0.6 km/h
Water temperature: 29.5°C
01:00
Waves: 1.3 m
Current speed: 0.5 km/h
Water temperature: 29.3°C
07:00
Waves: 1.2 m
Current speed: 0.6 km/h
Water temperature: 29.3°C
13:00
Waves: 1.1 m
Current speed: 0.9 km/h
Water temperature: 29.5°C
19:00
Waves: 1.1 m
Current speed: 0.6 km/h
Water temperature: 29.5°C
01:00
Waves: 1.1 m
Current speed: 0.6 km/h
Water temperature: 29.4°C
07:00
Waves: 1.1 m
Current speed: 0.4 km/h
Water temperature: 29.3°C
13:00
Waves: 1.2 m
Current speed: 0.6 km/h
Water temperature: 29.5°C
19:00
Waves: 1.2 m
Current speed: 0.4 km/h
Water temperature: 29.6°C
01:00
Waves: 1.2 m
Current speed: 0.6 km/h
Water temperature: 29.4°C
Catalog depth18–12 m
Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Jan-Jun

Peak month

Jul 29.4°

Jan27.9°
Feb27.6°
Mar27.7°
Apr28.1°
May28.8°
Jun29.3°
Jul29.4°
Aug29.4°
Sep29.4°
Oct29.3°
Nov29.0°
Dec28.4°
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

OceancenoteSalt Wateradvanced 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

12 km · nearby observations
Comical blenny
Ecsenius opsifrontalis
DeepLog2
Blacktip grouper
Epinephelus fasciatus
DeepLog1
Moray eel
Gymnothorax javanicus
DeepLog1
Tracey's demoiselle
Chrysiptera traceyi
Nearby OBIS observations7
Striated surgeonfish
Ctenochaetus striatus
Nearby OBIS observations6
Katherine's wrasse
Cirrhilabrus katherinae
Nearby OBIS observations5
Red-lined wrasse
Halichoeres biocellatus
Nearby OBIS observations5
Yellowband parrotfish
Scarus schlegeli
Nearby OBIS observations5
Acanthaster planci
Nearby OBIS observations4
Blueband goby
Valenciennea strigata
Nearby OBIS observations4
Guam damsel
Pomachromis guamensis
Nearby OBIS observations4
Padina
Nearby OBIS observations4
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS

Photos

Blue Hole photo 2
Blue Hole photo 3
Blue Hole photo 4
Blue Hole photo 5
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Blue Hole photo 7
Blue Hole photo 8
Blue Hole photo 9
Blue Hole photo 10
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