Asia › Sri Lanka › Eastern Sri Lanka
Navy Island Cave
12 mMax Depth
BoatEntry
26Species
Conditions Summary
Model forecast · local time (GMT+5:30)
Model conditions signal100/100
Waves
0.1 m
8.8 s
Swell
0.1 m
8.0 s
Current speed
0.2 km/h
flowing toward E
Water temperature
30.0°C
Wind
2.9 km/h
→ W
Sea level
0.6 m
falling
WavesCalm
SwellCalm
Current speedCalm
Planning window
01:00–00:00
Calmest model window
Forecast Overview
Sun, Oct 18Calm
Waves0.1–0.2 mCurrent speed0.4 km/h maxWater temperature30.2°C
TodayCalm
Waves0.1–0.1 mCurrent speed0.4 km/h maxWater temperature30.3°C
TomorrowCalm
Waves0.1–0.1 mCurrent speed0.6 km/h maxWater temperature30.3°C
Next 72 hours
Catalog depth12 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.
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Dive Types
CaveReefSandy bottomWallOceanSalt 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
Brain coral
From site catalogue
Butterflyfish
From site catalogue
Clownfish
From site catalogue
Coral
From site catalogue
Crab
From site catalogue
Eels
From site catalogue
Giant moray
From site catalogue
Gorgonian fan
From site catalogue
Grouper
From site catalogue
Honeycomb moray
From site catalogue
Lobster
From site catalogue
Moray eel
From site catalogue
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
OBIS source →