Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 am Sunday 26 Apr 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Thunders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thunders sea temperature is
30.2° C
(Which is slightly warmer than usual)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 10AM is: 2.0m 15s primary swell from a South-southwest direction (forecast issued at 06:00am April 26). The wind direction is predicted to be offshore and the swell rating is 4.

Time (WIB) & DateWave HeightWave Period
Morning (26 Apr)6ft (1.9m)15s
Afternoon (26 Apr)6ft (1.8m)14s
Evening (26 Apr)5.5ft (1.7m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Tue night. Warm (max 29°C on Mon morning, min 27°C on Sun morning). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wed
29
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
4
4
4
3
3
2
2
1
1
0
0
0
1
1
1
1
1
1
1
2
2
2
2
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)
1.9
S
16
1.9
SSW
16
2
SSW
15
1.8
SSW
15
1.8
SSW
14
1.7
SSW
14
1.6
SSW
14
1.6
SSW
14
1.6
SSW
13
1.6
SSW
13
1.4
SSW
13
1.4
SSW
13
1.3
SSW
13
1.3
SSW
13
1.2
SSW
12
1.1
SSW
12
1.1
SSW
12
0.9
SSW
15
1.3
S
14
0.9
S
14
1.2
SSW
14
1.3
S
13
1
SSW
18
1.1
SSW
18
Wave Graph
Metric surfscale
Energy kJ
1788
1776
1726
1421
1382
1206
1075
1045
849
811
679
679
581
572
461
379
373
365
701
329
596
591
716
826
Wind (km/h)
20
ENE
15
N
10
N
5
NW
5
WSW
5
SE
10
SE
10
SE
15
SE
15
SE
15
SE
20
SSE
15
SSE
15
SSE
15
SE
15
SSE
10
SSE
15
SE
15
SE
10
SE
10
SSE
10
SSE
10
SSE
10
SSE
cross-off
off
off
glassy
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
High Tide
2:15AM0.56m
2:05PM0.74m
3:20AM0.66m
3:13PM0.73m
4:06AM0.77m
4:06PM0.72m
Low Tide
7:37AM0.36m
9:04PM0.20m
9:17AM0.32m
9:45PM0.18m
10:21AM0.26m
10:17PM0.16m
thunderstorm
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:16
6:16
6:15
3
1
2
2
1
1
1
2
Temp °C
25
26
27
28
28
27
27
27
27
27
29
29
29
28
28
28
27
27
29
28
29
28
28
28
27
29
31
33
32
31
30
30
30
30
31
31
31
31
32
32
31
30
32
31
33
32
32
32
Swell 1
Height (m)
Direction
Period (s)
1.9
S
16
1.9
SSW
16
2
SSW
15
1.8
SSW
15
1.8
SSW
14
1.7
SSW
14
1.6
SSW
14
1.6
SSW
14
1.6
SSW
13
1.6
SSW
13
1.4
SSW
13
1.4
SSW
13
1.3
SSW
13
1.3
SSW
13
1.2
SSW
12
1.1
SSW
12
1.1
SSW
12
0.9
SSW
11
1.3
S
14
0.9
S
14
1.2
SSW
14
1.3
S
13
1.2
S
13
1.2
S
13
Energy kJ
1788
1776
1726
1421
1382
1206
1075
1045
849
811
679
679
581
572
461
379
373
213
701
329
596
591
490
483
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
13
0.3
SW
13
0.1
SW
15
0.1
S
20
0.2
S
19
0.3
S
18
0.3
S
18
0.5
S
18
0.6
S
17
0.7
S
16
0.7
S
16
0.8
S
16
0.8
S
16
0.9
SSW
15
0.4
SSW
12
0.9
SSW
12
0.7
SSW
20
0.8
SSW
20
1
SSW
18
1.1
SSW
18
Energy kJ
44
27
8
8
29
60
56
150
215
264
251
322
310
365
55
193
403
507
716
826
Swell 3
Height (m)
Direction
Period (s)
0.1
S
24
0.1
SW
23
0.1
SW
23
0.2
WSW
17
0.1
SW
17
0.2
SSW
21
0.3
SE
8
0.3
SSW
22
0.4
SSW
22
0.5
S
21
0.6
S
20
0.6
SSE
10
0.4
SW
15
0.4
SW
15
0.5
SW
18
Energy kJ
11
21
21
29
11
45
11
99
156
233
290
77
75
76
155
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
8
0.5
SE
8
0.4
SSE
3
0.4
SE
8
0.5
SE
7
0.4
SSE
4
0.6
SSE
4
0.4
SSE
4
Energy kJ
24
31
4
21
27
6
12
8
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
Distance (km)
31
0
0
0
31
3
3
3
3
3
62
62
62
3
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in Mentawi Islands
Rating
(10 max)
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
7
5
7
6
6
7
7
9
9
8
7
5
6
6
6
5
6
5
5
5
5
5
7
  • 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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