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Ko Samui Surf Forecast
/ Gulf of Thailand (13 surf breaks) /
Surf Forecasts:
Ko Samui surfForecast / Gulf of Thailand / Thailand
48hr Weather and Surf, issued 12 pm Tuesday 05 May 2026 +07Forecast update in hr min s Forecast update imminent
Ko Samui surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ko Samui sea temperature is
30.7° C
(Which is slightly warmer than usual)| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | - | - |
| Afternoon (05 May) | 1ft (0.3m) | 3s |
| Evening (05 May) | - | - |
Table - waves today at Ko Samui. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Thu night. Warm (max 30°C on Wed morning, min 29°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
— | SE 3 | — | — | — | — | — | ESE 4 | — | ESE 4 | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross | glassy | on | on | cross-on | cross-on | cross-on | cross | |
High Tide | 1:09AM1.34m | 1:49AM1.33m | 2:28AM1.30m | |||||||||||||||||||||
Low Tide | 10:26AM0.12m | 11:14AM0.12m | 12:04PM0.12m | |||||||||||||||||||||
 | |  |  |  | |  |  | | | | | | | | | |  | | | | | | | |
 | 6:01 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | 6:30 |
1 | 1 | — | — | — | — | 2 | — | — | — | — | — | — | — | 3 | 2 | — | — | — | — | — | — | 4 | 1 | |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 |
32 | 32 | 31 | 31 | 32 | 33 | 33 | 33 | 32 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 32 | 33 | 32 | 33 | 33 | |
Swell 1 Height (m) Direction Period (s) | — | SE 3 | — | — | — | — | — | ESE 4 | — | ESE 4 | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | — | 1 | — | — | — | — | — | 3 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 219 | 286 | 847 | 219 | 219 | 219 | 219 | 219 | 219 | 286 | 258 | 258 | 219 | 219 | 219 | 219 | 219 | 251 | 258 | 219 | 219 | 219 | 219 | 219 |
Best forecast wave conditions in Gulf of Thailand | ||||||||||||||||||||||||
Best forecast wave conditions in Thailand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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