Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 pm Friday 01 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 10PM is: 1.5m 14s primary swell from a South-southwest direction and 0.1m 14s secondary swell from a West direction (forecast issued at 06:00pm May 01). The wind direction is predicted to be glassy and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (01 May)--
Afternoon (01 May)5ft (1.5m)14s
Evening (01 May)5ft (1.5m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Sat night. Warm (max 29°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light.

Fri
1
Saturday
2
Sunday
3
Mon
4
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
10 AM
1 PM
Rating
(10 max)
2
2
3
3
3
3
3
2
2
2
2
3
3
3
2
2
1
1
1
2
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)
1.5
SSW
14
1.5
SSW
14
1.5
SSW
14
1.5
SSW
14
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
0.7
SSW
14
0.9
SSW
12
0.7
SW
13
0.8
SSW
13
0.8
SSW
13
1.1
SSW
12
Wave Graph
Metric surfscale
Energy kJ
790
790
790
790
693
553
491
408
476
469
469
440
361
355
237
210
241
212
195
237
170
219
215
379
Wind (km/h)
10
S
10
SSE
5
SSE
0
ESE
10
NNE
5
NNE
5
NNE
10
W
10
WSW
5
WSW
5
WSW
5
W
0
NE
5
NE
5
N
5
NW
10
W
10
W
5
WSW
5
WSW
0
WSW
0
SSE
5
SSE
5
SSW
on
on
glassy
glassy
off
off
glassy
cross
cross
cross-on
cross
glassy
glassy
glassy
glassy
cross-off
cross
cross
cross-on
glassy
glassy
glassy
glassy
glassy
High Tide
6:04PM0.66m
6:17AM0.98m
6:38PM0.63m
6:47AM0.98m
7:09PM0.60m
7:18AM0.96m
Low Tide
11:38PM0.11m
12:51PM0.08m
00:05AM0.10m
1:23PM0.07m
00:33AM0.10m
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
cloud
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
1
2
1
1
1
Temp °C
29
28
28
27
26
26
27
29
29
28
28
27
27
27
28
29
29
28
28
28
27
27
28
29
32
32
33
32
29
30
31
32
32
32
32
32
32
31
32
33
32
31
32
32
31
31
33
34
Swell 1
Height (m)
Direction
Period (s)
1.5
SSW
14
1.5
SSW
14
1.5
SSW
14
1.5
SSW
14
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
0.7
SW
13
0.9
SSW
12
0.7
SW
13
0.8
SSW
13
0.8
SSW
13
1.1
SSW
12
Energy kJ
790
790
790
790
693
553
491
408
476
469
469
440
361
355
237
184
241
212
167
237
170
219
215
379
Swell 2
Height (m)
Direction
Period (s)
0.1
W
14
0.1
W
14
0.1
W
14
0.1
W
14
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
SSW
14
0.6
S
8
0.6
SSW
13
0.5
S
12
0.8
S
12
0.3
S
16
Energy kJ
4
4
4
4
25
28
27
26
134
132
131
177
228
225
155
210
132
176
195
44
127
73
178
45
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
0.6
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
8
0.4
SSE
7
0.4
S
16
0.2
WSW
21
Energy kJ
4
25
61
99
3
3
3
3
3
3
40
43
45
45
45
93
43
18
78
44
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
2
2
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
Distance (km)
168
3
0
0
0
0
0
84
84
32
32
0
0
0
0
0
84
84
31
0
0
0
0
0
Best forecast wave conditions in Mentawi Islands
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
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
2
3
3
3
3
3
3
Header Global
Rating
(10 max)
6
6
5
5
5
5
5
5
5
4
4
4
4
4
4
4
5
4
5
4
4
4
4
4
  • 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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