Asia › Indonesia › East Nusa Tenggara

Manta Alley

5–25 mMax Depth

boatEntry

36Species

Conditions Summary

Model forecast · local time (GMT+8)

Model conditions signal91/100

Waves

0.6 m

9.4 s

Swell

0.5 m

10.0 s

Current speed

0.8 km/h

flowing toward NW

Water temperature

27.8°C

Wind

14.8 km/h

→ SE

Sea level

0.9 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

02:45–02:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.6–0.7 mCurrent speed4.0 km/h maxWater temperature28.1°C

TodayWatch

Waves0.7–1.1 mCurrent speed3.4 km/h maxWater temperature28.2°C

TomorrowChallenging

Waves1.1–1.2 mCurrent speed2.9 km/h maxWater temperature28.4°C

Wed, Oct 21Challenging

Waves1.1–1.1 mCurrent speed2.7 km/h maxWater temperature28.4°C

Next 72 hours

02:00

Waves: 0.6 m

Current speed: 0.7 km/h

Water temperature: 27.8°C

08:00

Waves: 0.6 m

Current speed: 4.0 km/h

Water temperature: 27.7°C

14:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 28.5°C

20:00

Waves: 0.7 m

Current speed: 3.6 km/h

Water temperature: 28.2°C

02:00

Waves: 0.8 m

Current speed: 0.3 km/h

Water temperature: 27.9°C

08:00

Waves: 0.9 m

Current speed: 3.2 km/h

Water temperature: 27.9°C

14:00

Waves: 1.0 m

Current speed: 0.2 km/h

Water temperature: 28.7°C

20:00

Waves: 1.1 m

Current speed: 2.5 km/h

Water temperature: 28.4°C

02:00

Waves: 1.1 m

Current speed: 1.2 km/h

Water temperature: 28.1°C

08:00

Waves: 1.2 m

Current speed: 2.2 km/h

Water temperature: 28.1°C

14:00

Waves: 1.2 m

Current speed: 1.1 km/h

Water temperature: 28.8°C

20:00

Waves: 1.2 m

Current speed: 1.3 km/h

Water temperature: 28.6°C

Catalog depth5–25 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

Apr-Oct

Peak month

Nov 29.2°

Jan28.6°

Feb28.4°

Mar28.7°

Apr29.0°

May28.8°

Jun28.2°

Jul27.5°

Aug27.1°

Sep27.5°

Oct28.3°

Nov29.2°

Dec29.1°

Current: moderate

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.