Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
24.6° C
2.0° 

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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 7ft (2.2m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 7ft (2.1m), 15s period with SSW swell.
  • Evening surf: Evening surf (09 Aug, local time) - 6.5ft (2.0m), 15s period with SSW swell.

The current surf forecast for Batu Karas at 9AM is: 2.2m 16s primary swell from a South-southwest direction and 0.8m 6s secondary swell from a East-southeast direction (forecast issued at 06:00am August 09). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (09 Aug)7ft (2.2m)16s
Afternoon (09 Aug)7ft (2.1m)15s
Evening (09 Aug)6.5ft (2.0m)15s

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


Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 25°C on Sun afternoon, min 22°C on Sun night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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
2
2
2
2
1
2
2
3
2
2
2
4
4
3
3
4
3
3
2
3
2
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)
2.3
SSW
16
2.2
SSW
16
2.2
SSW
16
2.1
SSW
15
2.1
SSW
15
2.1
SSW
15
2
SSW
15
2
SSW
14
1.5
S
20
1.9
SSW
19
2.5
SSW
19
2.5
SSW
18
3
SSW
18
3.5
SSW
17
3.5
SSW
17
3
SSW
17
3
SSW
17
3
SSW
17
2.5
SSW
16
3
SSW
16
3
SSW
16
2.5
SSW
16
3
SSW
17
Wave Graph
Metric surfscale
Energy kJ
2555
2325
2295
2055
1825
1801
1622
1600
1799
2753
5020
3818
5497
6560
6485
5877
5877
6115
3397
4600
4129
3639
4284
Wind (km/h)
10
N
5
NE
15
ESE
15
ESE
15
ESE
10
E
10
E
15
E
10
ENE
5
NE
15
ESE
15
ESE
15
ESE
10
ESE
10
E
10
ENE
10
E
10
NE
15
ESE
15
SE
15
ESE
15
ESE
15
E
Wind State
on
cross-on
cross
cross
cross
cross
cross-on
cross
cross-on
on
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
cross
cross-off
cross
cross
cross-on
High Tide
3:05AM1.47m
5:18PM0.76m
4:44AM1.48m
7:00PM0.88m
6:10AM1.56m
7:47PM1.04m
Low Tide
11:17AM0.44m
8:55PM0.68m
12:40PM0.33m
11:14PM0.69m
1:33PM0.21m
clear
clear
clear
part cloud
clear
clear
part cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
 mm
1
Temp °C
21
22
24
24
25
24
24
24
23
22
25
25
24
23
23
23
23
23
25
24
24
23
23
Feels °C
23
24
25
24
26
26
26
25
25
25
26
26
24
25
25
26
24
25
26
25
25
25
25
  • 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
How to use the Wavefinder 

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