Asia › Sri Lanka › Eastern Sri Lanka
Sithananne Reef
17 mMax Depth
BoatEntry
8Species
Conditions Summary
Model forecast · local time (GMT+5:30)
Model conditions signal100/100
Waves
0.3 m
7.3 s
Swell
0.2 m
6.9 s
Current speed
0.8 km/h
flowing toward SE
Water temperature
30.5°C
Wind
7.9 km/h
→ W
Sea level
0.4 m
falling
WavesCalm
SwellCalm
Current speedCalm
Planning window
18:30–18:00
Calmest model window
Forecast Overview
Tue, Oct 20Calm
Waves0.3–0.3 mCurrent speed0.8 km/h maxWater temperature30.3°C
TodayCalm
Waves0.3–0.4 mCurrent speed0.6 km/h maxWater temperature30.3°C
TomorrowCalm
Waves0.4–0.4 mCurrent speed0.6 km/h maxWater temperature30.2°C
Fri, Oct 23Calm
Waves0.4–0.4 mCurrent speed1.2 km/h maxWater temperature30.1°C
Next 72 hours
Catalog depth17 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
ReefSalt 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
Anemone fish
From site catalogue
Grouper
From site catalogue
Lionfish
From site catalogue
Parrot fish
From site catalogue
Snapper
From site catalogue
Sting ray
From site catalogue
Stonefish
From site catalogue
Triggerfish
From site catalogue
Acanthurus lineatus
Nearby OBIS observations11
Coenobita rugosus
Nearby OBIS observations8
Eretmochelys imbricata
Nearby OBIS observations7
Lethrinus harak
Nearby OBIS observations5
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
OBIS source →Photos
