Thailand
Koh Rang
11.9–15 mMax Depth
boatEntry
1Species
Conditions Summary
Model forecast · local time (GMT+7)
Model conditions signal100/100
Waves
0.2 m
3.0 s
Swell
0.2 m
2.5 s
Current speed
0.4 km/h
flowing toward NW
Water temperature
30.5°C
Wind
8.1 km/h
→ SE
Sea level
0.8 m
falling
WavesCalm
SwellCalm
Current speedCalm
Planning window
21:30–21:00
Calmest model window
Forecast Overview
Tue, Oct 20Calm
Waves0.2–0.2 mCurrent speed0.4 km/h maxWater temperature30.5°C
TodayCalm
Waves0.1–0.2 mCurrent speed1.3 km/h maxWater temperature30.5°C
TomorrowCalm
Waves0.1–0.1 mCurrent speed1.0 km/h maxWater temperature30.8°C
Fri, Oct 23Calm
Waves0.0–0.1 mCurrent speed1.6 km/h maxWater temperature30.4°C
Next 72 hours
Catalog depth11.9–15 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
Nov-May
Peak month
May 30.5°
Jan28.3°
Feb28.3°
Mar29.1°
Apr30.1°
May30.5°
Jun29.7°
Jul29.3°
Aug29.0°
Sep28.9°
Oct29.2°
Nov29.2°
Dec28.6°
Current: moderate
Typical visibility: 7.5 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.
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Dive Types
reefsalt 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
Blackspot sergeant
Abudefduf sordidus
DeepLog1
Abudefduf sexfasciatus
Nearby OBIS observations9
Cheilinus fasciatus
Nearby OBIS observations6
Scarus ghobban
Nearby OBIS observations6
Hemigymnus melapterus
Nearby OBIS observations5
Scolopsis margaritifera
Nearby OBIS observations5
Siganus guttatus
Nearby OBIS observations5
Siganus virgatus
Nearby OBIS observations5
Thalassoma lunare
Nearby OBIS observations5
Amphiprion perideraion
Nearby OBIS observations4
Omox biporos
Nearby OBIS observations4
Chelmon rostratus
Nearby OBIS observations3
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →