Daily forecast
as
Last update: 23:34 local time / This forecast is based on the GFS model
Saturday, May 17
Wind
Weather
Waves
01h
8 kts
max 9 kts
0.74 mm
30° C
1007 hpa
0.2 m
2 s
04h
9 kts
max 11 kts
2.21 mm
29° C
1006 hpa
0.2 m
2 s
07h
6 kts
max 7 kts
2.2 mm
29° C
1007 hpa
0.2 m
2 s
10h
4 kts
max 5 kts
1.76 mm
29° C
1008 hpa
0.1 m
3 s
13h
2 kts
max 3 kts
0.76 mm
29° C
1007 hpa
0.1 m
3 s
16h
3 kts
max 3 kts
1.16 mm
29° C
1006 hpa
0.1 m
3 s
19h
3 kts
max 4 kts
1.79 mm
29° C
1007 hpa
0.1 m
3 s
22h
3 kts
max 3 kts
29° C
1008 hpa
0.1 m
3 s
Sunday, May 18
Wind
Weather
Waves
01h
4 kts
max 4 kts
29° C
1008 hpa
0.1 m
3 s
04h
7 kts
max 7 kts
28° C
1006 hpa
0.1 m
3 s
07h
5 kts
max 5 kts
28° C
1008 hpa
0.1 m
3 s
10h
6 kts
max 6 kts
28° C
1009 hpa
0.1 m
3 s
13h
2 kts
max 2 kts
29° C
1007 hpa
0.1 m
3 s
16h
3 kts
max 3 kts
29° C
1005 hpa
0.1 m
3 s
19h
4 kts
max 4 kts
30° C
1006 hpa
0.1 m
3 s
22h
4 kts
max 4 kts
1.82 mm
29° C
1008 hpa
0.1 m
3 s
Monday, May 19
Wind
Weather
Waves
01h
3 kts
max 4 kts
29° C
1007 hpa
0.1 m
3 s
04h
3 kts
max 3 kts
3.26 mm
29° C
1006 hpa
0.1 m
2 s
07h
7 kts
max 7 kts
29° C
1007 hpa
0.1 m
2 s
10h
6 kts
max 6 kts
29° C
1009 hpa
0.1 m
2 s
13h
6 kts
max 6 kts
29° C
1007 hpa
0.1 m
2 s
16h
3 kts
max 3 kts
30° C
1004 hpa
0.1 m
2 s
19h
3 kts
max 3 kts
30° C
1005 hpa
0.1 m
2 s
22h
2 kts
max 4 kts
30° C
1007 hpa
0.1 m
2 s
Tuesday, May 20
Wind
Weather
Waves
01h
4 kts
max 5 kts
30° C
1006 hpa
0.1 m
2 s
04h
4 kts
max 4 kts
0.62 mm
29° C
1005 hpa
0.1 m
2 s
07h
5 kts
max 5 kts
0.46 mm
29° C
1007 hpa
0.1 m
2 s
10h
6 kts
max 6 kts
29° C
1008 hpa
0.1 m
2 s
13h
5 kts
max 5 kts
29° C
1006 hpa
0.1 m
2 s
16h
0 kts
max 1 kts
29° C
1004 hpa
0.1 m
2 s
19h
6 kts
max 6 kts
30° C
1005 hpa
0.1 m
1 s
22h
5 kts
max 5 kts
30° C
1006 hpa
0.1 m
2 s
Wednesday, May 21
Wind
Weather
Waves
01h
4 kts
max 5 kts
30° C
1006 hpa
0.1 m
2 s
04h
7 kts
max 7 kts
29° C
1005 hpa
0.2 m
2 s
07h
9 kts
max 9 kts
29° C
1007 hpa
0.1 m
2 s
10h
8 kts
max 8 kts
29° C
1008 hpa
0.1 m
2 s
13h
5 kts
max 6 kts
29° C
1006 hpa
0.1 m
2 s
16h
3 kts
max 3 kts
30° C
1004 hpa
0.1 m
2 s
19h
5 kts
max 5 kts
30° C
1005 hpa
0.1 m
2 s
22h
5 kts
max 9 kts
30° C
1006 hpa
0.2 m
2 s
Thursday, May 22
Wind
Weather
Waves
01h
11 kts
max 12 kts
0.63 mm
30° C
1006 hpa
0.2 m
2 s
04h
8 kts
max 10 kts
1.79 mm
29° C
1006 hpa
0.2 m
2 s
07h
11 kts
max 11 kts
29° C
1006 hpa
0.2 m
2 s
10h
12 kts
max 12 kts
29° C
1007 hpa
0.2 m
2 s
13h
11 kts
max 12 kts
29° C
1005 hpa
0.2 m
2 s
16h
4 kts
max 6 kts
30° C
1003 hpa
0.1 m
2 s
19h
9 kts
max 13 kts
31° C
1004 hpa
0.2 m
2 s
22h
14 kts
max 15 kts
1.28 mm
30° C
1006 hpa
0.3 m
2 s
Friday, May 23
Wind
Weather
Waves
01h
14 kts
max 14 kts
1.33 mm
29° C
1005 hpa
0.3 m
2 s
04h
13 kts
max 15 kts
29° C
1004 hpa
0.3 m
2 s
07h
13 kts
max 14 kts
29° C
1005 hpa
0.3 m
2 s
10h
14 kts
max 16 kts
29° C
1006 hpa
0.3 m
2 s
13h
11 kts
max 15 kts
30° C
1005 hpa
0.2 m
2 s
16h
12 kts
max 17 kts
30° C
1002 hpa
0.2 m
2 s
19h
14 kts
max 16 kts
30° C
1003 hpa
0.3 m
2 s
22h
12 kts
max 14 kts
1.19 mm
30° C
1005 hpa
0.3 m
2 s
Saturday, May 24
Wind
Weather
Waves
01h
13 kts
max 13 kts
29° C
1005 hpa
0.3 m
3 s
04h
11 kts
max 12 kts
0.52 mm
29° C
1004 hpa
0.3 m
2 s
07h
11 kts
max 13 kts
0.73 mm
29° C
1005 hpa
0.3 m
2 s
10h
12 kts
max 13 kts
2.28 mm
29° C
1006 hpa
0.3 m
2 s
13h
11 kts
max 13 kts
1.08 mm
29° C
1004 hpa
0.3 m
2 s
16h
14 kts
max 17 kts
30° C
1002 hpa
0.3 m
2 s
19h
14 kts
max 16 kts
1.14 mm
30° C
1004 hpa
0.3 m
2 s
22h
16 kts
max 16 kts
0.42 mm
30° C
1006 hpa
0.3 m
3 s
Sunday, May 25
Wind
Weather
Waves
01h
15 kts
max 15 kts
0.69 mm
29° C
1005 hpa
0.3 m
3 s
04h
16 kts
max 18 kts
1.87 mm
29° C
1004 hpa
0.3 m
2 s
07h
16 kts
max 20 kts
2.14 mm
29° C
1005 hpa
0.3 m
2 s
10h
18 kts
max 21 kts
4.06 mm
29° C
1006 hpa
0.3 m
2 s
13h
18 kts
max 23 kts
3.25 mm
29° C
1005 hpa
0.3 m
2 s
16h
18 kts
max 23 kts
2.82 mm
29° C
1004 hpa
0.3 m
2 s
19h
17 kts
max 19 kts
1.37 mm
29° C
1005 hpa
0.3 m
3 s
22h
12 kts
max 14 kts
0.81 mm
29° C
1007 hpa
0.3 m
3 s
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Additional information
General
This is the wind, wave and weather forecast for Ko Samui in Nakhon Si Thammarat, Thailand. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding.
Forecast
This forecast is based on the GFS model. Forecasts are available worldwide. The horizontal resolution is about 13 km. Forecasts are computed 4 times a day, at about 12:00 PM, 6:00 PM, 12:00 AM and 6:00 AM Indochina Time. Predictions are available in time steps of 3 hours for up to 10 days into the future. The arrows point in the direction in which the wind is blowing.Check the wind forecast for Ko Samui when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in Thailand. Or use our wind forecast to find the wind speed today in Ko Samui or to have a look at the wind direction tomorrow at Ko Samui.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.