Guam

Blue Hole

5–202 mMax Depth

shoreEntry

87Species

Conditions Summary

Model forecast · local time (GMT+10)

Planning signal71/100

Waves

1.4 m

8.3 s

Swell

1.2 m

6.3 s

Current speed

0.2 km/h

flowing toward E

Water temperature

29.3°C

Wind

2.2 km/h

→ W

Sea level

0.5 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TomorrowChallenging

Waves1.3–1.4 mCurrent speed0.6 km/h maxWater temperature29.4°C

Mon, Sep 7Challenging

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

05:00

Waves: 1.4 m

Current speed: 0.2 km/h

Water temperature: 29.3°C

11:00

Waves: 1.4 m

Current speed: 0.3 km/h

Water temperature: 29.3°C

17:00

Waves: 1.4 m

Current speed: 0.6 km/h

Water temperature: 29.6°C

23:00

Waves: 1.3 m

Current speed: 0.6 km/h

Water temperature: 29.4°C

05:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

11:00

Waves: 1.1 m

Current speed: 0.9 km/h

Water temperature: 29.4°C

17:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 29.6°C

23:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 29.4°C

05:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

11:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 29.4°C

17:00

Waves: 1.2 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

23:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 29.4°C

Catalog depth5–202 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

Year-round

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: 50 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

cenotefresh 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

Reticulate dascyllus

Dascyllus reticulatus

DeepLog6

Pennant glider

Valenciennea strigata

DeepLog5

Yellowspotted scorpionfish

Sebastapistes cyanostigma

DeepLog5

Palette surgeonfish

Paracanthurus hepatus

DeepLog4

Antler coral

Pocillopora grandis

DeepLog3

Halfmoon triggerfish

Sufflamen chrysopterum

DeepLog3

Moray eel

Gymnothorax javanicus

DeepLog3

Multicolored hand-fish

Paracirrhites hemistictus

DeepLog3

Rippled triggerfish

Pseudobalistes fuscus

DeepLog3

Sand tilefish

Malacanthus latovittatus

DeepLog3

Latticed sandperch

Parapercis clathrata

DeepLog2

Minifin parrotfish

Scarus altipinnis

DeepLog2

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos