Guam

Univ. Of Guam Marine Lab

3–20 mMax Depth

shoreEntry

7Species

Conditions Summary

Model forecast · local time (GMT+10)

Planning signal71/100

Waves

1.0 m

8.3 s

Swell

0.8 m

6.4 s

Current speed

0.9 km/h

flowing toward SE

Water temperature

29.4°C

Wind

4.6 km/h

→ W

Sea level

0.7 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TomorrowChallenging

Waves1.0–1.0 mCurrent speed1.4 km/h maxWater temperature29.6°C

Mon, Sep 7Watch

Waves0.8–1.0 mCurrent speed1.7 km/h maxWater temperature29.7°C

Tue, Sep 8Watch

Waves0.8–0.9 mCurrent speed1.5 km/h maxWater temperature29.8°C

Wed, Sep 9Watch

Waves0.9–0.9 mCurrent speed1.5 km/h maxWater temperature29.5°C

Next 72 hours

04:00

Waves: 1.0 m

Current speed: 0.9 km/h

Water temperature: 29.4°C

10:00

Waves: 1.0 m

Current speed: 1.1 km/h

Water temperature: 29.4°C

16:00

Waves: 1.0 m

Current speed: 1.3 km/h

Water temperature: 29.8°C

22:00

Waves: 1.0 m

Current speed: 1.3 km/h

Water temperature: 29.5°C

04:00

Waves: 0.9 m

Current speed: 1.0 km/h

Water temperature: 29.5°C

10:00

Waves: 0.8 m

Current speed: 1.3 km/h

Water temperature: 29.6°C

16:00

Waves: 0.8 m

Current speed: 1.2 km/h

Water temperature: 30.0°C

22:00

Waves: 0.8 m

Current speed: 0.8 km/h

Water temperature: 29.8°C

04:00

Waves: 0.9 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

10:00

Waves: 0.9 m

Current speed: 1.1 km/h

Water temperature: 29.7°C

16:00

Waves: 0.9 m

Current speed: 1.3 km/h

Water temperature: 30.0°C

22:00

Waves: 0.9 m

Current speed: 0.9 km/h

Water temperature: 29.8°C

Catalog depth3–20 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

Loading…

Dive Types

reefsalt Waterbeginner 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

Plicate nerite

Nerita plicata

DeepLog2

Blackside hawkfish

Paracirrhites forsteri

DeepLog1

Bristle worm

Eurythoe complanata

DeepLog1

Eoacmaea chamorrorum

DeepLog1

Narrowlined toadfish

Arothron manilensis

DeepLog1

Pacific elkhorn coral

Acropora abrotanoides

DeepLog1

Snowflake moray

Echidna nebulosa

DeepLog1

Orange-lined triggerfish

Balistapus undulatus

Nearby OBIS observations6

Striated surgeonfish

Ctenochaetus striatus

Nearby OBIS observations6

Brown surgeonfish

Acanthurus nigrofuscus

Nearby OBIS observations5

Fivestripe wrasse

Thalassoma quinquevittatum

Nearby OBIS observations5

Orangespine unicornfish

Naso lituratus

Nearby OBIS observations5

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

DeepLog + OBIS →

Photos