Guam

Agana Bay

5–20 mMax Depth

shoreEntry

89Species

Conditions Summary

Model forecast · local time (GMT+10)

Model conditions signal71/100

Waves

1.1 m

7.5 s

Swell

0.8 m

6.7 s

Current speed

1.1 km/h

flowing toward S

Water temperature

28.6°C

Wind

19.0 km/h

→ NE

Sea level

0.8 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.1–1.2 mCurrent speed3.0 km/h maxWater temperature28.6°C

TomorrowChallenging

Waves1.1–1.3 mCurrent speed2.9 km/h maxWater temperature28.5°C

Fri, Oct 23Challenging

Waves1.2–1.3 mCurrent speed3.4 km/h maxWater temperature28.4°C

Sat, Oct 24Challenging

Waves1.2–1.2 mCurrent speed3.4 km/h maxWater temperature28.4°C

Next 72 hours

14:00

Waves: 1.2 m

Current speed: 0.8 km/h

Water temperature: 28.6°C

20:00

Waves: 1.1 m

Current speed: 1.3 km/h

Water temperature: 28.5°C

02:00

Waves: 1.1 m

Current speed: 1.3 km/h

Water temperature: 28.4°C

08:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 28.4°C

14:00

Waves: 1.2 m

Current speed: 1.3 km/h

Water temperature: 28.6°C

20:00

Waves: 1.2 m

Current speed: 1.3 km/h

Water temperature: 28.5°C

02:00

Waves: 1.2 m

Current speed: 2.0 km/h

Water temperature: 28.3°C

08:00

Waves: 1.3 m

Current speed: 1.5 km/h

Water temperature: 28.2°C

14:00

Waves: 1.2 m

Current speed: 2.5 km/h

Water temperature: 28.5°C

20:00

Waves: 1.2 m

Current speed: 2.0 km/h

Water temperature: 28.5°C

02:00

Waves: 1.2 m

Current speed: 2.6 km/h

Water temperature: 28.3°C

08:00

Waves: 1.2 m

Current speed: 2.9 km/h

Water temperature: 28.3°C

Catalog depth5–20 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

Dec-May

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 Waterbeginner 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

Octopus coral

Galaxea fascicularis

DeepLog7

Spotted boxfish

Ostracion meleagris

DeepLog5

Coral

Psammocora haimiana

DeepLog4

Pacific blue seastar

Linckia laevigata

DeepLog4

Stone coral

Acropora valida

DeepLog4

Blacktip reef shark

Carcharhinus melanopterus

DeepLog3

Raccoon butterflyfish

Chaetodon lunula

DeepLog3

Snowflake moray

Echidna nebulosa

DeepLog3

Blackbar devil

Plectroglyphidodon dickii

DeepLog2

Darkfin hind

Cephalopholis urodeta

DeepLog2

Forcepsfish

Forcipiger flavissimus

DeepLog2

Narrowlined toadfish

Arothron manilensis

DeepLog2

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

DeepLog + OBIS →

Photos