Thailand surfForecast / Simeulue Island / Indonesia

information circle48hr Weather and Surf, issued 12 pm Monday 11 May 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
30.7° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Thailand today?

The current surf forecast for Thailand at 6PM is: 0.8m 13s primary swell from a South-southwest direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 12:00pm May 11). The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (11 May)3ft (0.9m)14s
Afternoon (11 May)3ft (0.9m)13s
Evening (11 May)2.5ft (0.8m)13s

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 44mm), heaviest during Wed night. Warm (max 30°C on Tue morning, min 25°C on Wed night). Wind will be generally light.

Mon
11
Tuesday
12
Wednesday
13
Thu
14
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
4 AM
7 AM
Rating
(10 max)
2
2
1
1
1
3
2
2
3
3
3
3
3
2
2
3
3
3
1
0
0
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
13
0.9
SW
13
0.9
SW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
1
SSW
14
0.7
SW
18
1.1
SW
15
1.2
SSW
14
1.5
SSW
15
1.5
SSW
16
1.5
SSW
16
1.5
SSW
16
1.5
SSW
15
1.5
SSW
15
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
1.3
SSW
14
1.3
SSW
14
1.1
SW
13
1
SSW
13
Wave Graph
Metric surfscale
Energy kJ
257
249
245
215
212
212
437
319
496
545
1056
1126
1126
1098
1014
911
796
785
774
763
653
569
394
357
Wind (km/h)
5
E
10
ESE
10
SE
10
S
5
S
5
SSW
5
SW
5
SW
5
WSW
5
SW
5
SW
10
WSW
5
WSW
10
WSW
10
W
5
WNW
0
ENE
5
WSW
10
WSW
20
WSW
20
WSW
25
WSW
15
WNW
10
W
glassy
cross-off
cross
cross-on
cross-on
glassy
on
on
glassy
glassy
on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
on
cross-on
cross-on
on
cross-on
cross-on
High Tide
3:01AM0.44m
2:27PM0.51m
3:42AM0.53m
3:24PM0.52m
4:19AM0.61m
Low Tide
8:30PM0.16m
8:30AM0.27m
9:09PM0.12m
9:40AM0.22m
9:44PM0.08m
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
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
1
4
4
2
3
2
1
5
4
7
6
5
Temp °C
29
29
29
29
29
28
28
28
29
30
30
29
29
28
28
28
28
29
29
27
27
26
25
25
34
33
33
33
33
32
32
32
33
34
34
32
33
32
31
32
33
33
32
29
28
27
27
28
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
13
0.9
SW
13
0.9
SW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
1
SSW
14
0.8
SSW
15
1.1
SW
15
1.2
SSW
14
1.5
SSW
15
1.5
SSW
16
1.5
SSW
16
1.5
SSW
16
1.5
SSW
15
1.5
SSW
15
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
1.3
SSW
14
1.3
SSW
14
1.1
SW
13
1
SSW
13
Energy kJ
257
249
245
215
212
212
437
272
496
545
1056
1126
1126
1098
1014
911
796
785
774
763
653
569
394
357
Swell 2
Height (m)
Direction
Period (s)
0.4
SSE
8
0.4
SSE
8
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.6
SSW
16
0.5
SW
19
0.7
SW
12
0.7
SW
18
0.8
SSW
18
0.5
W
8
0.5
W
8
0.5
W
8
0.5
W
8
0.5
W
9
0.6
W
9
0.6
W
8
0.6
W
8
0.6
W
8
0.7
W
8
0.6
W
8
0.6
W
8
0.7
SSW
15
0.7
SSW
15
Energy kJ
22
24
127
127
127
171
173
147
319
390
29
29
29
29
39
54
51
50
48
63
46
48
246
243
Swell 3
Height (m)
Direction
Period (s)
0.3
WSW
7
0.3
WSW
7
0.4
SSE
9
0.4
SSE
8
0.4
SSW
19
0.4
SSW
20
0.4
WSW
8
0.7
SW
18
0.5
W
8
0.5
W
8
0.4
SSE
8
0.3
SSE
8
0.3
SSE
8
0.3
SSE
8
0.3
SSE
8
0.3
SSE
8
0.4
SSE
8
0.4
SSE
8
0.3
SSE
8
0.3
SSE
8
0.3
SSE
8
0.3
SSE
8
0.7
W
8
0.7
W
8
Energy kJ
9
9
25
24
148
149
22
319
30
29
22
13
13
13
13
13
21
21
12
13
12
12
66
68
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
3
2
3
3
3
3
3
4
3
3
3
3
3
2
2
2
2
3
2
Distance (km)
0
0
14
118
14
0
118
14
0
0
118
118
14
118
118
0
0
0
118
118
118
118
94
252
Best forecast wave conditions in Simeulue Island
Rating
(10 max)
2
2
2
2
3
3
3
3
4
3
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
2
3
3
3
3
3
3
4
3
4
4
4
4
4
4
3
3
3
3
3
3
4
3
3
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
  • 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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