Asia › Indonesia › Sumatra
Hot Springs / Underwater Volcano
18 mMax Depth
BoatEntry
2Species
Conditions Summary
Model forecast · local time (GMT+7)
Model conditions signal91/100
Waves
0.7 m
6.3 s
Swell
0.4 m
10.8 s
Current speed
0.2 km/h
flowing toward E
Water temperature
29.7°C
Wind
20.0 km/h
→ SW
Sea level
0.6 m
falling
WavesWatch
SwellCalm
Current speedCalm
Planning window
18:45–18:00
Calmest model window
Forecast Overview
Tue, Oct 20Watch
Waves0.7–0.7 mCurrent speed0.4 km/h maxWater temperature29.7°C
TodayWatch
Waves0.5–0.6 mCurrent speed2.0 km/h maxWater temperature30.0°C
TomorrowWatch
Waves0.4–0.5 mCurrent speed2.3 km/h maxWater temperature30.6°C
Fri, Oct 23Watch
Waves0.4–0.4 mCurrent speed2.4 km/h maxWater temperature30.5°C
Next 72 hours
Catalog depth18 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.
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Dive Types
Sandy bottomOceanSalt Water
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
Boxfish / pufferfish
From site catalogue
Rays
From site catalogue
Caloria indica
Nearby OBIS observations4
Favites pentagona
Nearby OBIS observations4
Pearsonothuria graeffei
Nearby OBIS observations4
Stylocoeniella armata
Nearby OBIS observations4
Taeniura lymma
Nearby OBIS observations4
Caesio xanthonota
Nearby OBIS observations3
Caranx melampygus
Nearby OBIS observations3
Cephalopholis miniata
Nearby OBIS observations3
Chaetodon collare
Nearby OBIS observations3
Doriprismatica atromarginata
Nearby OBIS observations3
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
OBIS source →