Ko Samui surfForecast / Gulf of Thailand / Thailand

information circle48hr Weather and Surf, issued 6 am Wednesday 04 Feb 2026 +07
Forecast 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
28.0° C
(Which is normal for this time of year)


How big are the waves at Ko Samui today?

The current surf forecast for Ko Samui at 12PM is: 0.8m 6s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a East-southeast direction (forecast issued at 06:00am February 04). The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (04 Feb)2.5ft (0.8m)6s
Afternoon (04 Feb)2.5ft (0.7m)6s
Evening (04 Feb)0.5ft (0.1m)6s

Table - waves today at Ko Samui. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
04
Thursday
05
Friday
06
Sat
07
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.1
E
0.1
E
0.1
E
0.7
ESE
0.1
E
0.7
ESE
0.5
ESE
0.6
ESE
0.3
SE
0.3
SE
0.5
SE
0.4
ESE
0.1
E
0.1
E
0.4
SE
0.4
SE
0.3
ESE
0.2
ESE
Period(s) (?)666666667776662265555555
Wave
Graph
(?)Metric surfscale
Energy kJ (?)474949443435111381362225111511117763
Wind
(km/h)
20
SE
15
ESE
15
E
15
E
15
E
15
E
10
SE
10
SSE
15
SSE
15
S
15
S
20
SSE
20
SE
15
SE
20
SE
15
SSE
15
SSE
15
SSE
10
S
5
SSE
10
SE
15
ESE
10
SSE
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
crosscross-
on
ononcross-
on
cross
High Tide
/ height (m)
12:20PM
1.27
12:56PM
1.11
3:41AM
0.57
1:25PM
0.94
Low Tide
/ height (m)
9:38PM
0.25
9:18PM
0.34
5:31AM
0.56
8:58PM
0.40
Wednesday
04
Thursday
05
Friday
06
Sat
07
Sunrise-6:41-------6:41-------6:41------
Sunset----6:24-------6:25-------6:25---
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C262626262626262626262626262626262626262626272726
Feels °C (?)272727272727282828282827272726282728293028293029
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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.


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