Thailand
Koh Si
5–25 mMax Depth
boatEntry
47Species
Conditions Summary
The marine forecast is temporarily unavailable. Confirm the actual briefing, entry, exit, and suitability with a local operator.
Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
Nov-Apr
Peak month
May 30.3°
Jan28.3°
Feb28.8°
Mar29.4°
Apr30.2°
May30.3°
Jun30.0°
Jul29.8°
Aug29.6°
Sep29.2°
Oct29.0°
Nov28.9°
Dec28.6°
Current: mild
Typical visibility: 15 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
reefboatsalt Waterbeginner Difficulty
Data source & current conditions
Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.
View the source profile →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
Palmer's damsel-fish
Abudefduf bengalensis
DeepLog7
Streaked spinefoot
Siganus javus
DeepLog7
Eight banded butterfly fish
Chaetodon octofasciatus
DeepLog6
Moon wrasse
Thalassoma lunare
DeepLog6
Parrotfish
Scarus quoyi
DeepLog6
Rock cod
Cephalopholis formosa
DeepLog5
Two-lined monocle bream
Scolopsis bilineata
DeepLog5
Moorish idol
Zanclus cornutus
DeepLog4
Barhead spinefoot
Siganus virgatus
DeepLog3
Indo-Pacific sergeant
Abudefduf vaigiensis
DeepLog3
Saw-jawed monocle bream
Scolopsis ciliata
DeepLog3
Bay of Bengal hogfish
Bodianus neilli
DeepLog2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
