Thailand surfForecast / Simeulue Island / Indonesia

information circle48hr Weather and Surf, issued 6 am Wednesday 29 Apr 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Thailand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thailand sea temperature is
30.6° C
(Which is slightly warmer than usual)

How big are the waves at Thailand today?

The current surf forecast for Thailand at 3PM is: 0.9m 18s primary swell from a South-southwest direction and 0.9m 12s secondary swell from a South direction (forecast issued at 06:00am April 29). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (29 Apr)2.5ft (0.8m)18s
Afternoon (29 Apr)3ft (0.9m)18s
Evening (29 Apr)3.5ft (1.0m)16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 22mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 26°C on Thu night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Sat
2
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
1 AM
Rating
(10 max)
3
3
3
3
2
1
3
3
3
4
3
2
2
2
3
3
3
4
3
2
2
2
3
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.7
S
19
0.8
SSW
18
0.8
SSW
18
0.8
SSW
18
0.9
SSW
18
1
S
17
1
S
16
1
S
16
1
S
16
1.2
SSW
15
1.2
S
15
1.2
S
15
1.2
S
15
1.2
SSW
14
1
SSW
14
1
S
14
1
S
14
1.3
SSW
16
1.3
SSW
16
1.2
SSW
16
1.4
SSW
15
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
Wave Graph
Metric surfscale
Energy kJ
369
442
427
427
510
576
548
535
516
711
653
644
627
631
425
405
400
893
773
721
833
778
724
704
Wind (km/h)
5
W
5
NNW
10
N
10
NNW
5
WNW
10
WNW
10
WNW
5
NW
5
NW
0
N
0
SSE
5
SSW
10
WSW
10
WSW
5
WSW
15
NNW
5
NNE
5
ESE
5
SE
5
SSW
10
SSW
10
WSW
5
SSW
5
WSW
glassy
glassy
cross-off
cross-off
cross-on
cross-on
cross
cross
cross
glassy
glassy
cross-on
on
cross-on
glassy
cross-off
cross-off
cross-off
glassy
on
on
on
glassy
glassy
High Tide
5:03AM0.61m
5:04PM0.53m
5:33AM0.66m
5:38PM0.51m
6:01AM0.69m
6:09PM0.49m
Low Tide
11:20AM0.13m
11:06PM0.07m
11:56AM0.10m
11:28PM0.05m
12:28PM0.07m
11:51PM0.04m
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
6:37
3
1
1
2
4
2
2
3
4
Temp °C
26
27
28
30
29
29
28
28
28
28
29
29
30
29
28
26
27
27
28
29
29
28
28
28
31
32
32
34
33
33
32
32
33
34
35
33
34
33
33
29
31
31
32
33
33
32
32
33
Swell 1
Height (m)
Direction
Period (s)
0.9
S
11
0.8
S
11
0.8
S
11
0.8
SSW
18
0.9
SSW
18
1
S
17
1
S
16
1
S
16
1
S
16
1.2
SSW
15
1.2
S
15
1.2
S
15
1.2
S
15
1.2
SSW
14
1
SSW
14
1
S
14
1
S
14
1.3
SSW
16
1.3
SSW
16
1.2
SSW
16
1.4
SSW
15
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
Energy kJ
202
154
157
427
510
576
548
535
516
711
653
644
627
631
425
405
400
893
773
721
833
778
724
704
Swell 2
Height (m)
Direction
Period (s)
0.7
S
14
0.8
SSW
18
0.8
SSW
18
0.8
S
11
0.9
S
13
0.8
SSW
11
0.9
S
11
0.9
SW
16
0.8
SW
16
0.8
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
15
0.7
SW
15
0.7
SW
15
0.8
SSW
16
0.7
SW
14
0.5
SW
14
0.6
SW
13
0.5
S
8
Energy kJ
200
442
427
154
272
170
205
427
361
361
251
242
209
209
209
209
359
206
100
111
31
Swell 3
Height (m)
Direction
Period (s)
0.7
S
19
0.7
SW
18
0.6
SW
18
0.6
SW
18
0.5
SW
13
0.7
SW
14
0.8
SW
16
0.8
S
11
0.7
S
12
0.3
SSE
8
0.6
S
11
0.6
S
18
0.7
S
17
0.7
SSW
17
0.7
SW
14
0.5
S
8
0.4
S
8
0.4
SW
13
Energy kJ
369
307
252
194
88
179
366
166
134
14
79
222
287
286
206
34
21
61
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
2
2
3
4
4
4
3
2
2
2
3
3
3
4
3
3
2
2
3
3
Distance (km)
0
0
0
0
118
118
118
14
14
0
0
118
118
118
0
0
0
0
0
94
118
118
0
0
Best forecast wave conditions in Simeulue Island
Rating
(10 max)
3
3
3
3
4
4
4
3
3
3
3
4
3
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Header Global
Rating
(10 max)
8
9
9
9
8
8
8
7
6
5
5
5
5
5
5
6
6
6
6
7
5
5
5
5
  • 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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