Thunders Surf Break

Thunders 48 hour detailed Surf Forecast

Lat Long: 3.08° S 100.19° E

Issued: 12 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Thunders sea temperature is
30.0° C

Slightly warmer than usual

Thunders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Thunders today (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 4.5ft (1.3m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 4.5ft (1.4m), 13s period with S swell.
  • Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.7m), 13s period with SW swell.

The current surf forecast for Thunders at 6AM is: 1.1m 13s primary swell from a South-southwest direction and 0.9m 9s secondary swell from a South-southeast direction (forecast issued at 12:00am June 18). The wind direction is predicted to be offshore and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (18 Jun)4.5ft (1.3m)13s
Afternoon (18 Jun)4.5ft (1.4m)13s
Evening (18 Jun)2.5ft (0.7m)13s

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 9mm), mostly falling on Sat morning. Warm (max 29°C on Thu morning, min 26°C on Wed night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
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
4 PM
7 PM
10 PM
Rating
(10 max)
3
3
3
3
2
2
2
1
2
2
1
1
2
2
2
3
3
3
4
4
4
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
S
14
1.3
SSW
13
1
S
13
1.3
S
13
1.4
S
13
1.4
S
13
0.7
SSW
12
0.7
SW
13
0.9
SSW
12
0.8
SSW
12
0.7
SW
12
0.7
SW
12
0.6
SSW
18
0.7
SW
18
0.8
SSW
18
0.9
SW
18
1.1
SW
16
1.2
SW
16
1.3
SSW
16
1.4
SW
16
1.5
SW
16
1.5
SW
15
1.5
SW
15
1.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
929
563
355
569
663
653
157
167
267
196
157
152
223
323
404
449
617
767
864
917
1087
1006
979
953
Wind (km/h)
10
ENE
10
NE
10
N
5
NNW
10
WSW
5
SW
5
SSW
5
E
5
ENE
5
E
5
ESE
10
SE
5
S
5
SW
5
W
5
WNW
5
NW
0
NW
0
SE
5
SSE
5
WSW
5
WNW
10
NW
5
NNW
Wind State
cross-off
cross-off
off
glassy
cross-on
cross-on
glassy
cross
cross-off
glassy
cross
cross-on
on
cross-on
cross
cross-off
glassy
glassy
glassy
glassy
glassy
cross-off
cross-off
glassy
High Tide
8:09AM1.10m
8:50PM0.63m
8:57AM1.02m
9:44PM0.66m
9:45AM0.93m
Low Tide
1:19AM0.07m
3:00PM0.02m
2:12AM0.12m
3:43PM0.05m
3:09AM0.19m
4:25PM0.10m
cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
clear
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:17
6:17
 mm
1
1
1
1
1
1
2
Temp °C
27
26
27
28
29
29
28
27
27
26
27
28
28
29
28
27
27
27
27
27
27
28
27
27
Feels °C
30
29
31
32
33
33
33
31
32
31
32
32
32
33
32
31
31
32
32
32
31
31
30
31
Swell 1
Height (m)
Direction
Period (s)
1.6
S
14
1.3
SSW
13
1
S
13
1.3
S
13
1.4
S
13
1.4
S
13
0.9
SSE
9
0.9
SSE
9
0.9
SSW
12
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
10
1
SSE
10
1
SSE
9
1
SSE
9
1.1
SW
16
1.2
SW
16
1.3
SSW
16
1.4
SW
16
1.5
SW
16
1.5
SW
15
1.5
SW
15
1.5
SW
15
Energy kJ
929
563
355
569
663
653
143
116
267
143
143
140
159
197
189
181
617
767
864
917
1087
1006
979
953
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
8
0.9
SSE
9
0.9
SSE
9
0.6
SW
13
0.3
WNW
8
0.3
WNW
8
0.7
SSW
12
0.7
SW
13
0.9
SSE
9
0.8
SSW
12
0.7
SW
12
0.7
SW
12
0.7
SW
12
0.7
SW
18
0.8
SSW
18
0.9
SW
18
0.9
SSE
9
0.9
SSE
9
1
SSE
9
1
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
Energy kJ
13
137
134
142
13
13
157
167
111
196
157
152
154
323
404
449
149
143
158
158
149
153
156
156
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
8
0.3
WNW
8
0.7
SW
13
0.3
WNW
8
0.1
W
14
0.1
S
22
0.6
SW
13
0.6
S
12
0.3
WNW
8
0.4
S
12
0.4
SW
20
0.4
SSW
20
0.6
SSW
18
0.7
SW
12
0.6
SW
12
0.6
SW
12
0.6
SW
12
0.5
SW
12
0.4
WNW
8
0.4
WNW
8
0.4
WNW
8
0.4
WNW
8
0.4
WNW
8
0.4
WNW
8
Energy kJ
7
13
180
13
4
9
109
104
12
46
97
149
223
152
118
118
120
71
20
20
20
20
20
20
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
3
3
3
4
4
4
4
4
4
Distance (km)
0
0
0
0
84
84
0
3
0
0
3
3
62
84
84
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Mentawi Islands
Rating
(10 max)
3
3
3
3
3
2
2
2
2
2
2
2
2
3
3
3
3
4
4
4
4
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
3
3
3
3
4
4
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
4
5
5
5
9
9
9
5
5
5
5
6
6
6
5
9
5
4
5
4
4
4
5
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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