Asia › Indonesia › North Sulawesi

Batu Mandi

25–30 mMax Depth

boatEntry

63Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal90/100

Waves

0.4 m

6.6 s

Swell

0.2 m

8.7 s

Current speed

2.7 km/h

flowing toward NW

Water temperature

30.9°C

Wind

6.6 km/h

→ SW

Sea level

0.3 m

rising

WavesCalm

SwellCalm

Current speedWatch

Planning window

18:00–19:00

Calmest model window

Forecast Overview

Fri, Oct 16Calm

Waves0.3–0.4 mCurrent speed3.1 km/h maxWater temperature30.7°C

Sat, Oct 17Calm

Waves0.3–0.5 mCurrent speed2.8 km/h maxWater temperature30.5°C

Sun, Oct 18Calm

Waves0.2–0.3 mCurrent speed2.4 km/h maxWater temperature30.4°C

TodayCalm

Waves0.2–0.2 mCurrent speed1.5 km/h maxWater temperature30.4°C

Next 72 hours

15:00

Waves: 0.4 m

Current speed: 2.7 km/h

Water temperature: 30.9°C

21:00

Waves: 0.3 m

Current speed: 2.0 km/h

Water temperature: 30.6°C

03:00

Waves: 0.3 m

Current speed: 2.2 km/h

Water temperature: 30.4°C

09:00

Waves: 0.3 m

Current speed: 1.4 km/h

Water temperature: 30.4°C

15:00

Waves: 0.5 m

Current speed: 1.8 km/h

Water temperature: 30.7°C

21:00

Waves: 0.4 m

Current speed: 1.1 km/h

Water temperature: 30.5°C

03:00

Waves: 0.3 m

Current speed: 1.3 km/h

Water temperature: 30.2°C

09:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 30.2°C

15:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 30.9°C

21:00

Waves: 0.2 m

Current speed: 0.4 km/h

Water temperature: 30.4°C

03:00

Waves: 0.2 m

Current speed: 0.4 km/h

Water temperature: 30.2°C

09:00

Waves: 0.2 m

Current speed: 0.4 km/h

Water temperature: 30.3°C

Catalog depth25–30 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Mar-Oct

Peak month

May 29.3°

Jan28.5°

Feb28.4°

Mar28.6°

Apr29.1°

May29.3°

Jun29.1°

Jul28.7°

Aug28.5°

Sep28.6°

Oct29.1°

Nov29.3°

Dec29.0°

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

DriftReefwallsalt 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

Carolines parrotfish

Calotomus carolinus

DeepLog3

Ornate leopard wrasse

Macropharyngodon ornatus

DeepLog3

Coral hawkfish

Cirrhitichthys falco

DeepLog2

Poison-fang blenny

Meiacanthus atrodorsalis

DeepLog2

Red Sea butterflyfish

Chaetodontoplus mesoleucus

DeepLog2

Saw-jawed monocle bream

Scolopsis ciliata

DeepLog2

Scribbled unicornfish

Naso vlamingii

DeepLog2

Tricolour parrotfish

Scarus tricolor

DeepLog2

Triplebar goatfish

Parupeneus crassilabris

DeepLog2

Two-lined monocle bream

Scolopsis bilineata

DeepLog2

Unicornfish

Naso lopezi

DeepLog2

White spot angel

Centropyge tibicen

DeepLog2

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

DeepLog + OBIS →

Photos