Thailand
Koh Racha Yai
5–25 mMax Depth
boatEntry
4Species
Conditions Summary
Model forecast · local time (GMT+7)
Model conditions signal100/100
Waves
0.2 m
12.3 s
Swell
0.2 m
11.3 s
Current speed
0.2 km/h
flowing toward W
Water temperature
30.8°C
Wind
18.8 km/h
→ W
Sea level
0.6 m
falling
WavesCalm
SwellCalm
Current speedCalm
Planning window
17:30–17:00
Calmest model window
Forecast Overview
Mon, Oct 19Calm
Waves0.2–0.3 mCurrent speed0.3 km/h maxWater temperature30.7°C
Tue, Oct 20Calm
Waves0.3–0.5 mCurrent speed0.6 km/h maxWater temperature30.6°C
TodayWatch
Waves0.4–0.7 mCurrent speed0.7 km/h maxWater temperature30.5°C
TomorrowCalm
Waves0.3–0.4 mCurrent speed1.1 km/h maxWater temperature30.7°C
Next 72 hours
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.
Updated: cached data
Open-Meteo Marine + Weather APIs →Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
Nov-Apr
Peak month
May 30.0°
Jan28.4°
Feb28.7°
Mar29.3°
Apr29.9°
May30.0°
Jun29.8°
Jul29.6°
Aug29.5°
Sep29.0°
Oct28.8°
Nov28.8°
Dec28.6°
Current: mild
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.
Explore nearby centers on the map
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Dive Types
reefsalt Waterbeginner 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
Bubble
Pseudorca crassidens
DeepLog1
Goldlined spinefoot
Siganus guttatus
DeepLog1
Reliable chromodoris
Goniobranchus fidelis
DeepLog1
Stony coral
Leptoria phrygia
DeepLog1
Scorpaenodes guamensis
Nearby OBIS observations5
Chaetodon trifasciatus
Nearby OBIS observations3
Chrysiptera
Nearby OBIS observations3
Dascyllus carneus
Nearby OBIS observations3
Eviota albolineata
Nearby OBIS observations3
Gobiodon
Nearby OBIS observations3
Gobiodon quinquestrigatus
Nearby OBIS observations3
Gymnothorax javanicus
Nearby OBIS observations3
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
