Guam

Amtrak

10–25 mMax Depth

boatEntry

97Species

Conditions Summary

Model forecast · local time (GMT+10)

Model conditions signal62/100

Waves

2.6 m

7.8 s

Swell

1.9 m

6.7 s

Current speed

0.9 km/h

flowing toward SE

Water temperature

28.2°C

Wind

18.4 km/h

→ SE

Sea level

0.6 m

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

Mon, Oct 19Challenging

Waves2.4–2.6 mCurrent speed1.0 km/h maxWater temperature28.2°C

Tue, Oct 20Challenging

Waves1.6–2.4 mCurrent speed2.8 km/h maxWater temperature28.4°C

TodayChallenging

Waves1.5–1.6 mCurrent speed1.6 km/h maxWater temperature28.5°C

TomorrowChallenging

Waves1.4–1.5 mCurrent speed1.5 km/h maxWater temperature28.4°C

Next 72 hours

20:00

Waves: 2.6 m

Current speed: 0.9 km/h

Water temperature: 28.2°C

02:00

Waves: 2.3 m

Current speed: 1.0 km/h

Water temperature: 28.2°C

08:00

Waves: 2.0 m

Current speed: 1.8 km/h

Water temperature: 28.2°C

14:00

Waves: 1.8 m

Current speed: 2.7 km/h

Water temperature: 28.5°C

20:00

Waves: 1.7 m

Current speed: 1.7 km/h

Water temperature: 28.5°C

02:00

Waves: 1.6 m

Current speed: 1.4 km/h

Water temperature: 28.3°C

08:00

Waves: 1.6 m

Current speed: 0.5 km/h

Water temperature: 28.3°C

14:00

Waves: 1.6 m

Current speed: 0.6 km/h

Water temperature: 28.7°C

20:00

Waves: 1.5 m

Current speed: 0.8 km/h

Water temperature: 28.6°C

02:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 28.3°C

08:00

Waves: 1.5 m

Current speed: 1.2 km/h

Water temperature: 28.3°C

14:00

Waves: 1.5 m

Current speed: 1.5 km/h

Water temperature: 28.5°C

Catalog depth10–25 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

Dec-Apr

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

reefsalt Waterintermediate Difficulty

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

Tracey's demoiselle

Chrysiptera traceyi

DeepLog19

Red-banded prawn-goby

Amblyeleotris fasciata

DeepLog11

Octopus coral

Galaxea fascicularis

DeepLog7

Red lionfish

Pterois volitans

DeepLog7

Serpent coral

Pachyseris speciosa

DeepLog7

Red-and-black anemonefish

Amphiprion melanopus

DeepLog4

Redlined wrasse

Halichoeres biocellatus

DeepLog4

Mushroom coral

Lobactis scutaria

DeepLog3

Narrowlined toadfish

Arothron manilensis

DeepLog3

Orange-dashed goby

Valenciennea puellaris

DeepLog3

Spotted boxfish

Ostracion meleagris

DeepLog3

Blackside hawkfish

Paracirrhites forsteri

DeepLog2

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

DeepLog + OBIS →

Photos