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Surf Forecasts

Ko Samui surfForecast / Gulf of Thailand / Thailand

information circle48hr Weather and Surf, issued 12 pm Friday 28 Mar 2025 +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
29.3° 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 5PM is: 0.1m 4s primary swell from a East direction (forecast issued at 12:00pm March 28). An open ocean swell of 0.1m 2s is not directed at the surf break, a second open ocean swell of 0.1m 3s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+07) & DateWave HeightWave Period
Morning (28 Mar)0.5ft (0.1m)4s
Afternoon (28 Mar)0.5ft (0.1m)4s
Evening (28 Mar)0.5ft (0.1m)4s

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

Hourly12 Days
Gulf of Thailand Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
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
0
0
0
0
0
0
0
0
0
0
0
0
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
See all maps
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
SE
0.1
E
0.1
E
0.1
SE
0.1
SE
0.1
S
0.1
S
0.1
S
0.2
ESE
0.2
ESE
0.3
SE
0.2
SSE
0.2
SSE
0.1
SE
0.1
SE
0.2
ESE
0.2
E
0.2
ESE
0.2
E
0.2
E
0.1
S
0.1
E
0.1
E
0.1
E
0.1
SE
0.1
SE
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
SE
0.2
SSE
0.2
SSE
0.2
SSE
0.3
SE
0.4
ESE
0.1
E
0.2
ESE
0.1
E
0.1
E
0.1
E
0.3
ESE
0.1
E
0.2
E
0.3
E
0.5
SE
0.5
SE
0.5
ESE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.4
ESE
0.4
ESE
0.4
ESE
Period(s) (?)444242222222222222222333333223333322322344448777833333336366
Wave
Graph
(?)Metric surfscale
Energy (?)00000000000011000000011000000000000010120100110141055644441631313
Wind
(km/h)
20
NW
15
NW
5
E
15
SE
10
S
10
NW
10
NW
0
NE
5
E
5
SE
15
E
20
ESE
15
SE
15
SE
20
S
10
S
10
SSW
5
ESE
15
ESE
20
E
15
ESE
10
SE
5
SSE
5
ESE
10
SE
5
SE
10
ESE
15
ESE
10
SE
10
S
10
S
10
S
10
SSE
15
SSE
20
ESE
10
SSW
10
NE
10
NE
15
NE
25
NNE
20
NNE
20
N
20
NNE
20
N
25
NE
35
E
40
E
35
SSE
25
SE
30
SE
25
SE
30
SE
35
SE
30
SE
25
SE
25
SE
25
SE
25
SE
25
SE
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
on		oncross-
on		cross-
off		cross-
off		glassglassononononcross-
on		cross-
on		cross-
on		crossononononcross-
on		cross-
on		glassonononononcross-
on		crosscrosscross-
on		cross-
on		oncross-
off		cross-
on		cross-
on		cross-
on		crosscrosscross-
off		crosscross-
off		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		ononononcross-
on		ononononon
High Tide
/ height (m)
10:43AM
0.93
12:24AM
0.70
11:56AM
0.75
12:19AM
0.91
1:26PM
0.57
12:41AM
1.12
1:15AM
1.30
1:56AM
1.41
2:43AM
1.45
Low Tide
/ height (m)
6:40PM
0.31
6:24PM
0.45
6:00AM
0.54
5:42PM
0.54
8:00AM
0.41
4:28PM
0.54
9:35AM
0.27
11:03AM
0.17
12:35PM
0.11
2:14PM
0.09
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Sunrise-------6:18-------6:18-------6:18-------6:16-------6:16-------6:16-------6:15----
Sunset--6:30-------6:30-------6:30-------6:30-------6:30-------6:30-------6:30-------6:30-
part cloudpart cloudclearclearclearclearpart cloudclearclearclearclearclearclearclearclearpart cloudclearthunderstorm part cloudclearclearpart cloudclearclearpart cloudclearclearpart cloudcloudcloudpart cloudpart cloudcloudcloudthunderstorm cloudpart cloudcloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm mod rainthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm part cloudthunderstorm thunderstorm clearclearclearclearpart cloud
Rain (mm)
-----------------1----------------3---13534476513211-11-----
Temp. °C282829292928282828282929292828282728282828282828282828282929282828282728282726252526262627272827272827282828282828292928
Feels °C (?)293032303231313333323231323030323133313030313132313130293131303030302831313028242627272727262625272727282627282829303028
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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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.

View detailed surf forecast for Ko Samui at:
surf-forecast.com

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