Surf Forecast Surf Report
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Ko Samui location map

Ko Samui surf Forecast / Gulf of Thailand / Thailand

12 Day Weather and Surf, issued 6 pm Thursday 25 Apr 2024 +07
Forecast update in  hr  min  s 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 31.3°C (Statistics for 25 Apr 1981-2005 - mean: 30.0 °C max: 30.9 °C min: 29.1 °C)
  • 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>
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 31.3°C (Statistics for 25 Apr 1981-2005 - mean: 30.0 °C max: 30.9 °C min: 29.1 °C)


Best Forecast Surf Conditions for Ko Samui this week:

The most powerful waves expected at Ko Samui in the next 12 days are 0.3m 2s and forecast to arrive on Thursday (Apr 25) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Wednesday (May 01) at 1PM.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Thu 25th Apr)1ft (0.3m) 2s

Table - best surf conditions forecast for Ko Samui over the next 12 days.

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Quick surf report for Ko Samui:

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Updates in  hr  min  s Update imminent
Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tue
07
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
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
Swell
Height Map
Wave Height (m) & direction (?)
0.1
SE
0.3
SSE
0.1
E
0.1
SE
0.2
SSE
0.1
E
0.1
E
0.2
SSE
0.1
E
0.1
SE
0.2
SSE
0.1
NW
0.1
NE
0.2
ESE
0.1
SE
0.1
SE
0.1
S
0.1
S
0.1
S
0.1
S
0.1
SE
0.1
S
0.1
E
0.1
SE
0.1
SE
0.2
SSE
0.1
E
0.2
ESE
0.1
SE
0.1
SE
0.2
ESE
0.1
SE
0.1
SE
0.2
ESE
0.1
SE
0.2
S
Period(s) (?)424223123322233333323322324323323322
Wave
Graph
(?)Metric surfscale
Energy (?)110000000000010000000000000100100100
Wind
(km/h)
15
E
25
S
10
SW
15
ESE
15
S
10
WSW
10
E
20
S
10
WSW
10
E
15
SSE
10
NW
20
ENE
10
SSW
15
W
15
SE
20
WNW
20
WNW
10
ENE
15
NW
20
W
15
ESE
5
WSW
15
W
15
E
15
WSW
5
WNW
20
E
10
WSW
10
W
15
E
20
W
20
WSW
10
NNW
20
WNW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
oncross-
on
cross-
off
oncrosscross-
off
cross-
on
cross-
on
offcross-
on
cross-
off
offonoffoffcross-
on
offoffonglassoffoncross-
off
glassoncross-
off
offonoffcross-
off
cross-
off
offcross-
off
High Tide
/ height (m)
12:09AM
1.20
12:39AM
1.28
1:14AM
1.33
1:53AM
1.37
2:35AM
1.38
3:19AM
1.37
4:05AM
1.33
4:52AM
1.23
5:41AM
1.09
6:34AM
0.91
11:25PM
0.75
7:48AM
0.69
10:34PM
0.93
10:28AM
0.48
Low Tide
/ height (m)
9:23AM
0.20
10:14AM
0.14
11:11AM
0.09
12:14PM
0.06
1:19PM
0.04
2:19PM
0.04
3:05PM
0.07
3:35PM
0.14
3:45PM
0.26
3:32PM
0.39
4:58AM
0.67
2:48PM
0.47
7:16AM
0.46
Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tue
07
Sunrise--6:03--6:03--6:03--6:03--6:03--6:01--6:01--6:01--6:01--6:01--6:01--6:01
Sunset6:30--6:30--6:30--6:30--6:30--6:30--6:30--6:30--6:30--6:30--6:30--6:30--
clearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearthunderstorm clearclearclearclearclearthunderstorm clearclearthunderstorm clearclearthunderstorm clearrain showersthunderstorm clearrain showersclearclear
Rain (mm)
----------------1-----1--3--2-12-1--
Temp. °C303029303030303029303030303029303130313130303130303030303029302829313029
Feels °C (?)323233323236343133343335333233333633353533323534323335323334333033333132

Short Range Forecast: Mostly dry. Warm (max 30°C on Thu afternoon, min 29°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Tue night. Warm (max 31°C on Tue night, min 29°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 4mm), mostly falling on Fri night. Warm (max 31°C on Wed afternoon, min 29°C on Wed night). Wind will be generally light.

Long Range Forecast: Light rain (total 6mm), mostly falling on Sat night. Warm (max 31°C on Mon afternoon, min 28°C on Sat night). Wind will be generally light.

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.


Information about the Ko Samui Surf forecast

The above surf forecast table for Ko Samui provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ko Samui can be found by selecting the local surf guide option on the grey menu. Our Ko Samui surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ko Samui) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Ko Samui may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Ko Samui is 14 km (9 miles) from the city of Ko Samui. If you plan a holiday in Gulf of Thailand, look for hotels and other accommodation in Ko Samui. Ko Samui has rooms for a wide range of budgets as well as car hire and transport links.

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