Batu Karas Surf Break

Batu Karas 48 hour detailed Surf Forecast

Lat Long: 7.75° S 108.50° E

Issued: 6 am 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
29.0° C

Normal for this time of year

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


How big are the waves at Batu Karas today (12 Jun):

  • Morning surf: Morning surf (12 Jun, local time) - 8ft (2.4m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (12 Jun, local time) - 7.5ft (2.3m), 15s period with SSW swell.
  • Evening surf: Evening surf (12 Jun, local time) - 7ft (2.1m), 15s period with SSW swell.

The current surf forecast for Batu Karas at 9AM is: 2.4m 15s primary swell from a South-southwest direction and 0.4m 6s secondary swell from a East-southeast direction (forecast issued at 06:00am June 12). The wind direction is predicted to be glassy and the swell rating is 4.

Time (WIB) & DateWave HeightWave Period
Morning (12 Jun)8ft (2.4m)15s
Afternoon (12 Jun)7.5ft (2.3m)15s
Evening (12 Jun)7ft (2.1m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 35mm), heaviest during Sun night. Warm (max 27°C on Fri morning, min 24°C on Sat night). Wind will be generally light.

Friday
12
Saturday
13
Sunday
14
Mon
15
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)
4
3
3
3
3
3
3
2
4
4
3
3
3
3
2
3
2
3
2
3
3
3
2
2
Swell
Height Map
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)
2.5
SSW
15
2.5
SSW
15
2.4
SSW
15
2.3
SSW
15
2.2
SSW
15
2.2
SSW
15
2.1
SSW
15
2
SSW
15
1.9
SSW
14
1.9
SSW
14
1.5
S
19
2.4
SSW
19
2.3
SSW
18
2.3
SSW
17
2.4
SSW
17
2.3
SSW
16
2.3
SSW
16
2.3
SSW
16
2.3
SSW
16
2.2
SSW
15
2.1
SSW
15
2.1
SSW
15
2
SSW
15
2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
2899
2691
2526
2365
2208
2158
1900
1644
1435
1415
1674
4091
3237
3128
3353
2642
2576
2576
2576
2279
1928
1902
1714
1690
Wind (km/h)
5
NNW
5
N
10
ESE
15
SE
15
SE
15
E
10
ENE
5
NNE
5
NE
5
NE
5
E
5
E
15
E
10
ESE
10
E
10
E
15
ENE
10
NE
10
E
15
SE
15
ESE
15
ESE
10
E
5
E
Wind State
glassy
cross-on
cross
cross-off
cross-off
cross
cross-on
on
glassy
glassy
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross
cross
cross
cross-on
High Tide
4:37AM1.50m
5:42PM0.97m
5:32AM1.61m
6:50PM1.00m
6:27AM1.73m
7:45PM1.05m
Low Tide
11:49AM0.38m
10:44PM0.57m
12:47PM0.22m
11:44PM0.55m
1:38PM0.09m
00:42AM0.50m
clear
clear
clear
part cloud
clear
thunderstorm
thunderstorm
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
cloud
part cloud
clear
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:36
5:36
5:36
 mm
1
1
1
3
1
2
5
2
1
2
4
Temp °C
23
23
27
27
27
26
26
25
25
25
25
25
26
25
25
25
25
24
27
27
27
27
26
25
Feels °C
26
26
30
29
29
29
29
29
29
29
29
29
28
28
27
28
28
27
30
30
30
30
29
29
Swell 1
Height (m)
Direction
Period (s)
2.5
SSW
15
2.5
SSW
15
2.4
SSW
15
2.3
SSW
15
2.2
SSW
15
2.2
SSW
15
2.1
SSW
15
2
SSW
15
1.9
SSW
14
1.9
SSW
14
1.7
SSW
14
2.4
SSW
19
2.3
SSW
18
2.3
SSW
17
2.4
SSW
17
2.3
SSW
16
2.3
SSW
16
2.3
SSW
16
2.3
SSW
16
2.2
SSW
15
2.1
SSW
15
2.1
SSW
15
2
SSW
15
2
SSW
14
Energy kJ
2899
2691
2526
2365
2208
2158
1900
1644
1435
1415
1206
4091
3237
3128
3353
2642
2576
2576
2576
2279
1928
1902
1714
1690
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
6
0.4
ESE
6
0.4
ESE
6
0.4
ESE
6
0.1
S
26
0.4
SSW
20
0.6
SE
4
0.9
SSW
20
1.1
S
19
1.5
S
19
1.6
S
19
1.1
ESE
6
1
ESE
6
1
ESE
6
0.9
ESE
6
Energy kJ
14
14
14
14
13
131
16
687
922
1674
1876
94
85
80
74
Swell 3
Height (m)
Direction
Period (s)
0.2
S
23
0.5
S
20
0.6
SE
5
0.6
SE
5
0.6
SE
5
Energy kJ
41
200
18
18
19
Wind waves
Height (m)
Direction
Period (s)
0.4
ESE
6
0.6
ESE
6
0.7
ESE
4
0.7
ESE
5
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.1
ESE
6
1
ESE
7
1
ESE
7
1.2
ESE
7
1.4
SE
7
1.4
ESE
7
Energy kJ
14
24
14
22
132
145
122
93
91
91
116
158
170
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Distance (km)
0
6
230
519
519
230
6
6
0
0
8
8
18
230
230
18
8
6
6
236
230
230
18
8
Best forecast wave conditions in Central Java
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
5
4
5
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
6
6
6
8
9
6
4
4
4
6
5
5
5
5
4
5
4
4
4
6
5
5
9
  • 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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