Ko Samet - Sai Kaew Surf Break

Lat Long: 12.57° N 101.47° E

Ko Samet - Sai Kaew 48 hour detailed Surf Forecast

Issued: 6 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ko Samet - Sai Kaew sea temperature is
29.4°C
0.5° 

Ko Samet - Sai Kaew surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Ko Samet - Sai Kaew today (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 2ft (0.6m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 2ft (0.6m), 5s period with SW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 1.5ft (0.5m), 4s period with SSW swell.

The current surf forecast for Ko Samet - Sai Kaew at 12PM is: 0.6m 5s primary swell from a Southwest direction and 0.1m 6s secondary swell from a South direction (forecast issued at 06:00am September 05). The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (05 Sep)2ft (0.6m)5s
Afternoon (05 Sep)2ft (0.6m)5s
Evening (05 Sep)1.5ft (0.5m)4s

Table - waves today at Ko Samet - Sai Kaew. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 17mm), heaviest on Sun afternoon. Warm (max 29°C on Sat morning, min 28°C on Sat afternoon). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
5
0.6
SW
5
0.6
SW
5
0.6
SW
5
0.5
SW
5
0.5
SSW
5
0.6
SSW
4
1
SW
5
0.9
WSW
5
0.9
SW
5
0.8
SW
4
0.8
SW
4
0.6
SW
4
0.6
SW
5
0.8
SW
4
0.9
SW
5
0.9
WSW
5
0.8
WSW
5
0.7
SW
4
0.9
SW
4
0.9
SW
5
0.8
SW
5
0.7
SW
5
Wave Graph
Metric surfscale
Energy kJ
27
21
17
16
11
13
10
45
44
35
20
20
11
20
21
36
44
33
16
26
31
32
25
Wind (km/h)
20
WSW
15
WSW
15
WSW
20
SW
15
SSW
15
SSW
25
WSW
25
WSW
25
WSW
20
WSW
25
WSW
25
WSW
20
SW
20
SW
20
WSW
25
WSW
20
W
20
W
20
WSW
25
WSW
25
WSW
25
WSW
25
WSW
Wind State
cross
cross
cross
cross-on
on
on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
High Tide
4:57PM1.86m
5:30PM1.93m
6:09PM1.95m
Low Tide
3:08AM0.30m
4:12AM0.20m
5:17AM0.14m
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:21
6:21
 mm
1
2
2
1
1
2
3
3
1
Temp °C
28
28
29
29
29
28
29
28
28
28
29
29
29
29
28
28
28
28
29
29
29
28
29
Feels °C
30
30
31
30
32
31
30
29
29
29
30
30
30
31
29
28
29
30
30
29
29
29
31
  • 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
How to use the Wavefinder 

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