Surf Forecasts:
How big are the waves at Ko Samui today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 0.5ft (0.1m), 4s period with SE swell.
The current surf forecast for Ko Samui at 7AM is: 0.1m 4s primary swell from a Southeast direction (forecast issued at 12:00am June 20). The wind direction is predicted to be cross-offshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 0.5ft (0.1m) | 4s |
| Afternoon (20 Jun) | - | - |
| Evening (20 Jun) | - | - |
Table - waves today at Ko Samui. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Fri night. Warm (max 30°C on Fri night, min 28°C on Fri night). Winds increasing (light winds from the WNW on Sat afternoon, fresh winds from the WNW by Sun night). | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 5 | SE 5 | SE 4 | SE 4 | SE 4 | — | — | — | — | — | S 6 | — | — | NW 4 | NNW 4 | — | S 5 | W 2 | W 2 | W 2 | W 2 | WNW 2 | W 3 | WNW 3 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 1:52AM1.39m | 2:24AM1.21m | 2:45AM1.01m | |||||||||||||||||||||
Low Tide | 11:57AM0.14m | 11:43AM0.25m | 11:23AM0.32m | |||||||||||||||||||||
 | |  | |  | | | | | | | | | | | | | |  | | | | |  | |
 | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | 1 | 4 | 2 | 3 | — | — | 1 | 4 | 1 | 3 | 3 | 1 | 1 | — | 1 | 4 | 1 | 1 | — | — | — | 1 | 3 | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 |
Feels °C | 31 | 31 | 31 | 30 | 30 | 32 | 32 | 30 | 29 | 30 | 30 | 30 | 30 | 31 | 30 | 28 | 27 | 28 | 28 | 28 | 29 | 30 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 5 | — | — | SE 4 | SE 4 | — | — | — | — | — | S 6 | — | — | NW 4 | NNW 4 | — | S 5 | — | — | — | — | — | — | — |
| kJ | 1 | — | — | 1 | 1 | — | — | — | — | — | 1 | — | — | 2 | 1 | — | 1 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | SE 5 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 2 | W 2 | W 2 | W 2 | W 2 | WNW 2 | W 3 | WNW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 219 | 219 | 219 | 220 | 892 | 271 | 873 | 882 | 271 | 219 | 219 | 271 | 271 | 271 | 271 | 1018 | 1018 | 271 | 1014 | 1018 | 271 | 1169 | 271 | 271 |
Best forecast wave conditions in Gulf of Thailand | ||||||||||||||||||||||||
Best forecast wave conditions in Thailand | ||||||||||||||||||||||||
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