Guam

Apra Harbor

10–36 mMax Depth

boatEntry

48Species

Conditions Summary

Model forecast · local time (GMT+10)

Planning signal71/100

Waves

1.4 m

8.3 s

Swell

1.2 m

6.7 s

Current speed

0.0 km/h

flowing toward E

Water temperature

29.2°C

Wind

3.7 km/h

→ N

Sea level

0.2 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

08:00

Waves: 1.4 m

Current speed: 0.0 km/h

Water temperature: 29.2°C

14:00

Waves: 1.4 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

20:00

Waves: 1.4 m

Current speed: 0.6 km/h

Water temperature: 29.5°C

02:00

Waves: 1.3 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

08:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 29.3°C

14:00

Waves: 1.1 m

Current speed: 0.8 km/h

Water temperature: 29.6°C

20:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 29.5°C

02:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

08:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 29.3°C

14:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 29.6°C

20:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 29.5°C

02:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 29.3°C

Catalog depth10–36 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: 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

wrecksalt Waterintermediate 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

Lumnitzera littorea

DeepLog4

Manybar goatfish

Parupeneus multifasciatus

DeepLog3

Rosecolored wrasse

Oxycheilinus unifasciatus

DeepLog3

Mimic surgeonfish

Acanthurus pyroferus

DeepLog2

Roundhead parrotfish

Scarus globiceps

DeepLog2

Ambon puller

Pycnochromis amboinensis

DeepLog1

Arc-eye hawkfish

Paracirrhites arcatus

DeepLog1

Barred mudskipper

Periophthalmus argentilineatus

DeepLog1

Blackside hawkfish

Paracirrhites forsteri

DeepLog1

Blotcheye soldierfish

Myripristis berndti

DeepLog1

Blue gudgeon

Ptereleotris microlepis

DeepLog1

Bluespine unicornfish

Naso unicornis

DeepLog1

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

DeepLog + OBIS →

Photos