- Forecast
- Maps
- Live
- Weather State
- Spot Information
Ko Samui Surf Forecast
/ Gulf of Thailand (13 surf breaks) /
Surf Forecasts:
Ko Samui surfForecast / Gulf of Thailand / Thailand
48hr Weather and Surf, issued 6 am Friday 19 Sep 2025 +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
29.6° C
(Which is slightly warmer than usual)Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| 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 | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | — | ||||||||||||||||||
| Period(s) (?) | 5 | 4 | 5 | 5 | 5 | - | - | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | - | - | - | - | 2 | 2 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 8:43PM 1.15 | 9:39PM 1.06 | 10:32PM 0.94 | |||||||||||||||||||||
Low Tide / height (m) | 6:52AM 0.19 | 6:51AM 0.27 | 6:42AM 0.36 | |||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| Sunrise | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - |
 |  |  | | | | |  | |  |  | | |  | | | | | | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 28 |
| Feels °C (?) | 26 | 27 | 28 | 28 | 29 | 30 | 29 | 27 | 28 | 28 | 28 | 29 | 32 | 31 | 29 | 28 | 28 | 28 | 28 | 29 | 32 | 32 | 29 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Gulf of Thailand
Continuing clean conditions at Ko Samui (calm at Samui Airport 4 km from Ko Samui). No surfable waves
Expand
<
>
View all
2 h 28 min ago
0 km/h
N
Clean
Please reload the page to see if there are any updates.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ko Samui surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest