Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 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 6PM is: 1.5m 14s primary swell from a South-southwest direction and 0.1m 14s secondary swell from a West direction (forecast issued at 12:00pm May 01). The wind direction is predicted to be onshore.

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

Moderate rain (total 14mm), heaviest on Fri night. Warm (max 29°C on Fri morning, min 26°C on Fri night). Wind will be generally light.

Fri
1
Saturday
2
Sunday
3
Mon
4
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
1
2
2
3
3
3
3
3
2
2
2
3
3
3
3
2
2
2
2
2
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)
1.5
SSW
14
1.5
SSW
14
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
SSW
13
0.9
SSW
13
0.9
SSW
13
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
Wave Graph
Metric surfscale
Energy kJ
854
841
790
790
790
790
693
553
491
408
476
469
440
341
277
277
237
210
241
212
192
237
170
215
Wind (km/h)
5
ESE
10
S
10
S
5
S
0
NE
15
NNE
15
N
10
NNE
10
NE
5
W
10
WSW
5
WSW
5
W
0
NW
5
NNE
5
NE
5
NE
5
NNE
5
N
5
NW
5
WNW
5
W
5
WNW
0
ESE
cross
on
on
on
glassy
cross-off
off
cross-off
cross-off
cross
cross
cross
glassy
glassy
glassy
glassy
glassy
cross-off
glassy
glassy
glassy
cross
glassy
glassy
High Tide
6:04PM0.66m
6:17AM0.98m
6:38PM0.63m
6:47AM0.98m
7:09PM0.60m
Low Tide
11:38PM0.11m
12:51PM0.08m
00:05AM0.10m
1:23PM0.07m
00:33AM0.10m
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
cloud
cloud
cloud
part cloud
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
3
1
1
1
1
2
1
2
2
Temp °C
28
29
29
28
27
26
26
26
26
28
28
28
27
27
27
27
27
27
27
27
28
28
27
27
32
32
32
32
32
29
29
30
30
32
32
32
31
32
31
31
31
31
31
31
32
32
31
32
Swell 1
Height (m)
Direction
Period (s)
1.5
SSW
14
1.5
SSW
14
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
SSW
13
0.9
SSW
13
0.9
SSW
13
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
Energy kJ
854
841
790
790
790
790
693
553
491
408
476
469
440
341
277
277
237
184
241
212
167
237
170
215
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.5
S
7
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
7
0.7
SSW
15
0.7
S
7
0.7
S
8
0.7
SSW
14
0.6
S
8
0.7
S
13
0.7
SSW
14
0.6
S
8
0.6
SSW
13
0.6
S
12
Energy kJ
4
26
4
4
4
4
25
28
27
26
134
132
131
39
228
51
55
210
45
176
192
44
127
101
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
0.6
S
16
0.7
S
7
0.7
SSW
15
0.6
S
15
0.7
S
8
0.6
S
14
0.7
S
8
0.7
S
8
0.5
S
14
0.6
S
8
0.4
SSE
7
Energy kJ
4
25
61
99
3
3
3
177
52
225
155
61
132
61
61
93
44
18
Wind waves
Height (m)
Direction
Period (s)
0.3
SSW
3
Energy kJ
1
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
3
3
3
3
3
3
3
2
3
3
3
3
3
2
2
2
2
2
2
2
2
Distance (km)
3
62
233
31
0
0
0
0
0
62
84
31
0
0
0
0
0
0
0
0
0
31
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
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
2
2
3
3
3
3
Header Global
Rating
(10 max)
7
7
5
5
5
5
9
5
5
5
5
4
4
4
5
4
4
5
4
4
5
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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