The Pacific › Guam

Blue Hole

18–12 mMax Depth

BoatEntry

3Species

Conditions Summary

Model forecast · local time (GMT+10)

Model conditions signal62/100

Waves

2.4 m

7.8 s

Swell

1.7 m

6.5 s

Current speed

0.4 km/h

flowing toward SW

Water temperature

28.2°C

Wind

17.6 km/h

→ SE

Sea level

0.6 m

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

Mon, Oct 19Challenging

Waves2.3–2.4 mCurrent speed0.6 km/h maxWater temperature28.2°C

Tue, Oct 20Challenging

Waves1.6–2.2 mCurrent speed2.1 km/h maxWater temperature28.4°C

TodayChallenging

Waves1.5–1.6 mCurrent speed1.3 km/h maxWater temperature28.4°C

TomorrowChallenging

Waves1.4–1.5 mCurrent speed1.3 km/h maxWater temperature28.4°C

Next 72 hours

21:00

Waves: 2.4 m

Current speed: 0.2 km/h

Water temperature: 28.2°C

03:00

Waves: 2.1 m

Current speed: 1.3 km/h

Water temperature: 28.2°C

09:00

Waves: 1.8 m

Current speed: 1.3 km/h

Water temperature: 28.3°C

15:00

Waves: 1.7 m

Current speed: 2.1 km/h

Water temperature: 28.7°C

21:00

Waves: 1.6 m

Current speed: 1.6 km/h

Water temperature: 28.4°C

03:00

Waves: 1.6 m

Current speed: 1.0 km/h

Water temperature: 28.3°C

09:00

Waves: 1.6 m

Current speed: 0.7 km/h

Water temperature: 28.3°C

15:00

Waves: 1.6 m

Current speed: 1.2 km/h

Water temperature: 28.6°C

21:00

Waves: 1.5 m

Current speed: 1.2 km/h

Water temperature: 28.5°C

03:00

Waves: 1.5 m

Current speed: 1.1 km/h

Water temperature: 28.3°C

09:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 28.4°C

15:00

Waves: 1.5 m

Current speed: 1.1 km/h

Water temperature: 28.5°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.