Daily forecast
as
Last update: 17:35 local time / This forecast is based on the GFS model
Wednesday, Sep 24
Wind
Weather
Waves
01h
18 kts
max 20 kts
29° C
1007 hpa
0.3 m
3 s
04h
18 kts
max 23 kts
28° C
1006 hpa
0.4 m
3 s
07h
17 kts
max 20 kts
28° C
1007 hpa
0.4 m
3 s
10h
19 kts
max 20 kts
29° C
1008 hpa
0.3 m
3 s
13h
13 kts
max 18 kts
29° C
1005 hpa
0.3 m
2 s
16h
15 kts
max 20 kts
1.66 mm
30° C
1004 hpa
0.3 m
3 s
19h
18 kts
max 20 kts
1.41 mm
30° C
1006 hpa
0.4 m
3 s
22h
19 kts
max 26 kts
29° C
1008 hpa
0.4 m
3 s
Thursday, Sep 25
Wind
Weather
Waves
01h
19 kts
max 24 kts
28° C
1006 hpa
0.4 m
3 s
04h
18 kts
max 21 kts
28° C
1006 hpa
0.4 m
3 s
07h
17 kts
max 20 kts
28° C
1007 hpa
0.4 m
3 s
10h
17 kts
max 19 kts
28° C
1009 hpa
0.4 m
3 s
13h
13 kts
max 20 kts
30° C
1006 hpa
0.3 m
2 s
16h
17 kts
max 24 kts
0.53 mm
30° C
1004 hpa
0.3 m
2 s
19h
18 kts
max 22 kts
30° C
1006 hpa
0.3 m
3 s
22h
18 kts
max 24 kts
29° C
1008 hpa
0.3 m
3 s
Friday, Sep 26
Wind
Weather
Waves
01h
17 kts
max 20 kts
28° C
1007 hpa
0.3 m
3 s
04h
17 kts
max 21 kts
28° C
1007 hpa
0.3 m
3 s
07h
16 kts
max 21 kts
28° C
1008 hpa
0.3 m
3 s
10h
16 kts
max 19 kts
29° C
1010 hpa
0.3 m
2 s
13h
12 kts
max 19 kts
29° C
1007 hpa
0.2 m
2 s
16h
11 kts
max 13 kts
29° C
1006 hpa
0.3 m
2 s
19h
13 kts
max 17 kts
0.9 mm
29° C
1008 hpa
0.3 m
2 s
22h
14 kts
max 14 kts
29° C
1010 hpa
0.3 m
2 s
Saturday, Sep 27
Wind
Weather
Waves
01h
11 kts
max 11 kts
28° C
1009 hpa
0.3 m
2 s
04h
12 kts
max 16 kts
28° C
1007 hpa
0.3 m
2 s
07h
14 kts
max 17 kts
28° C
1009 hpa
0.2 m
2 s
10h
15 kts
max 17 kts
28° C
1010 hpa
0.2 m
2 s
13h
12 kts
max 16 kts
28° C
1009 hpa
0.2 m
2 s
16h
16 kts
max 19 kts
28° C
1007 hpa
0.3 m
2 s
19h
18 kts
max 20 kts
0.63 mm
29° C
1008 hpa
0.3 m
3 s
22h
21 kts
max 25 kts
28° C
1010 hpa
0.4 m
3 s
Sunday, Sep 28
Wind
Weather
Waves
01h
17 kts
max 24 kts
27° C
1008 hpa
0.4 m
3 s
04h
21 kts
max 28 kts
26° C
1007 hpa
0.4 m
3 s
07h
16 kts
max 24 kts
27° C
1007 hpa
0.4 m
3 s
10h
21 kts
max 26 kts
27° C
1009 hpa
0.4 m
3 s
13h
20 kts
max 26 kts
1.89 mm
26° C
1007 hpa
0.4 m
3 s
16h
23 kts
max 27 kts
2.67 mm
26° C
1005 hpa
0.4 m
3 s
19h
24 kts
max 29 kts
2.32 mm
26° C
1006 hpa
0.4 m
3 s
22h
26 kts
max 30 kts
2.1 mm
26° C
1008 hpa
0.5 m
3 s
Monday, Sep 29
Wind
Weather
Waves
01h
26 kts
max 30 kts
1.7 mm
26° C
1006 hpa
0.5 m
3 s
04h
27 kts
max 30 kts
1.28 mm
27° C
1005 hpa
0.5 m
3 s
07h
24 kts
max 29 kts
1.72 mm
26° C
1006 hpa
0.4 m
3 s
10h
21 kts
max 26 kts
9.1 mm
25° C
1008 hpa
0.4 m
3 s
13h
22 kts
max 27 kts
6.39 mm
26° C
1006 hpa
0.4 m
3 s
16h
22 kts
max 26 kts
7.08 mm
26° C
1005 hpa
0.4 m
3 s
19h
21 kts
max 29 kts
4.81 mm
26° C
1006 hpa
0.4 m
3 s
22h
23 kts
max 27 kts
4.5 mm
26° C
1008 hpa
0.4 m
3 s
Tuesday, Sep 30
Wind
Weather
Waves
01h
21 kts
max 28 kts
0.83 mm
27° C
1007 hpa
0.3 m
3 s
04h
22 kts
max 27 kts
27° C
1006 hpa
0.3 m
3 s
07h
20 kts
max 26 kts
27° C
1007 hpa
0.3 m
3 s
10h
22 kts
max 26 kts
27° C
1009 hpa
0.2 m
3 s
13h
22 kts
max 26 kts
27° C
1007 hpa
0.2 m
2 s
16h
22 kts
max 25 kts
27° C
1006 hpa
0.2 m
2 s
19h
18 kts
max 22 kts
27° C
1008 hpa
0.2 m
2 s
22h
15 kts
max 17 kts
28° C
1010 hpa
0.2 m
3 s
Wednesday, Oct 01
Wind
Weather
Waves
01h
14 kts
max 15 kts
27° C
1008 hpa
0.2 m
3 s
04h
13 kts
max 15 kts
27° C
1008 hpa
0.2 m
3 s
07h
9 kts
max 10 kts
27° C
1009 hpa
0.2 m
3 s
10h
6 kts
max 7 kts
28° C
1010 hpa
0.1 m
3 s
13h
2 kts
max 3 kts
28° C
1008 hpa
0.1 m
3 s
16h
1 kts
max 3 kts
0.4 mm
28° C
1007 hpa
0.1 m
3 s
19h
4 kts
max 6 kts
1.97 mm
28° C
1009 hpa
0.1 m
3 s
22h
7 kts
max 9 kts
3.64 mm
28° C
1011 hpa
0.1 m
2 s
Thursday, Oct 02
Wind
Weather
Waves
01h
8 kts
max 9 kts
28° C
1009 hpa
0.1 m
3 s
04h
8 kts
max 8 kts
27° C
1008 hpa
0.1 m
3 s
07h
5 kts
max 5 kts
1.63 mm
27° C
1010 hpa
0.1 m
3 s
10h
2 kts
max 4 kts
0.74 mm
27° C
1012 hpa
0.1 m
3 s
13h
2 kts
max 4 kts
28° C
1009 hpa
0.1 m
3 s
16h
5 kts
max 5 kts
28° C
1007 hpa
0.1 m
3 s
19h
7 kts
max 7 kts
1.55 mm
28° C
1009 hpa
0.1 m
2 s
22h
0 kts
max 1 kts
2.98 mm
28° C
1011 hpa
0.1 m
3 s
Friday, Oct 03
Wind
Weather
Waves
01h
4 kts
max 5 kts
1.46 mm
28° C
1010 hpa
0.1 m
2 s
04h
5 kts
max 6 kts
2.82 mm
27° C
1009 hpa
0.1 m
2 s
07h
4 kts
max 4 kts
2.62 mm
27° C
1010 hpa
0.1 m
2 s
10h
6 kts
max 6 kts
3.14 mm
27° C
1012 hpa
0.1 m
2 s
13h
4 kts
max 4 kts
5.26 mm
27° C
1010 hpa
0.1 m
2 s
16h
3 kts
max 3 kts
3.26 mm
26° C
1008 hpa
0.1 m
2 s
19h
5 kts
max 5 kts
26° C
1010 hpa
0.2 m
2 s
22h
8 kts
max 8 kts
27° C
1011 hpa
0.2 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.