Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 am Saturday 02 May 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
30.1° C
(Which is normal for this time of year)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 2PM is: 1.2m 13s primary swell from a South-southwest direction and 0.5m 7s secondary swell from a South direction (forecast issued at 06:00am May 02). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (02 May)4.5ft (1.3m)13s
Afternoon (02 May)4ft (1.2m)13s
Evening (02 May)4ft (1.2m)13s

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 14mm), heaviest on Sat night. Warm (max 29°C on Sun morning, min 26°C on Sat morning). Wind will be generally light.

Saturday
2
Sunday
3
Monday
4
Tue
5
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
2
3
3
3
3
2
1
1
1
1
1
2
2
2
1
1
1
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)
1.4
SSW
14
1.3
SSW
13
1.2
SSW
13
1.1
SSW
13
1.2
SSW
13
1.2
SSW
13
1.2
SSW
13
1.2
SSW
13
1.1
SSW
13
1.1
SSW
12
0.9
SSW
12
0.7
SSW
14
0.9
SSW
12
0.8
SSW
13
0.8
SSW
13
0.9
SSW
12
0.7
SW
12
0.8
SSW
13
0.8
SSW
13
1.1
SSW
12
1.1
S
12
1
S
12
1.1
S
12
0.6
SW
19
Wave Graph
Metric surfscale
Energy kJ
693
553
491
408
476
469
469
440
361
355
264
210
241
212
209
237
152
219
215
379
353
294
353
250
Wind (km/h)
15
N
10
NE
10
NE
5
WNW
10
WSW
5
WSW
5
WSW
5
NW
5
NNW
5
NNE
0
NNW
10
W
10
W
10
W
10
SW
5
SW
0
WSW
0
NNW
5
WSW
5
SW
5
WSW
5
SW
5
SW
5
WSW
off
cross-off
cross-off
cross-off
cross
cross-on
glassy
glassy
glassy
glassy
glassy
cross
cross
cross
cross-on
cross-on
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross
High Tide
6:17AM0.98m
6:38PM0.63m
6:47AM0.98m
7:09PM0.60m
7:18AM0.96m
7:41PM0.56m
Low Tide
12:51PM0.08m
00:05AM0.10m
1:23PM0.07m
00:33AM0.10m
1:56PM0.08m
thunderstorm
cloud
part cloud
part cloud
cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
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>
6:15
6:15
6:15
6:15
1
3
2
1
1
1
2
1
1
Temp °C
25
26
26
28
28
27
27
27
27
27
28
29
29
28
28
27
27
27
28
29
29
28
28
27
27
29
30
32
32
31
31
31
31
31
32
32
33
31
32
31
32
32
32
33
33
32
32
31
Swell 1
Height (m)
Direction
Period (s)
1.4
SSW
14
1.3
SSW
13
1.2
SSW
13
1.1
SSW
13
1.2
SSW
13
1.2
SSW
13
1.2
SSW
13
1.2
SSW
13
1.1
SSW
13
1.1
SSW
12
0.9
SSW
12
0.8
SSW
12
0.9
SSW
12
0.8
SSW
13
0.8
SSW
13
0.9
SSW
12
0.7
SW
12
0.8
SSW
13
0.8
SSW
13
1.1
SSW
12
1.1
S
12
1
S
12
1.1
S
12
0.9
SSW
12
Energy kJ
693
553
491
408
476
469
469
440
361
355
264
184
241
212
209
237
152
219
215
379
353
294
353
250
Swell 2
Height (m)
Direction
Period (s)
0.2
S
18
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
16
0.5
S
16
0.5
S
16
0.6
S
16
0.7
SSW
15
0.7
SSW
15
0.6
S
15
0.7
SSW
14
0.6
S
14
0.7
S
13
0.7
S
14
0.6
S
8
0.7
S
8
0.7
S
8
0.8
S
12
0.3
S
16
0.4
S
15
0.4
SW
20
0.6
SW
19
0.6
SSE
11
Energy kJ
25
28
27
26
134
132
131
177
228
225
155
210
132
176
179
46
64
63
178
45
70
134
236
93
Swell 3
Height (m)
Direction
Period (s)
0.1
W
14
0.2
S
18
0.3
SSW
18
0.4
SSW
17
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
13
0.5
S
7
0.6
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.5
S
14
0.6
S
13
0.5
S
12
0.4
S
16
0.3
SE
7
0.3
SW
20
0.4
S
15
0.3
S
15
0.6
SW
19
Energy kJ
4
25
61
99
3
3
3
3
3
3
28
42
44
45
45
93
123
71
78
8
61
67
38
231
Wind waves
Height (m)
Direction
Period (s)
0.2
E
7
Energy kJ
3
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
3
3
Distance (km)
0
0
0
0
40
31
0
0
0
0
0
84
84
84
40
9
0
0
0
62
40
40
32
31
Best forecast wave conditions in Mentawi Islands
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
4
4
4
4
4
4
4
4
5
5
4
4
4
4
4
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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