Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
26.6° C
0.2° 

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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 10ft (3.0m), 18s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 10ft (3.0m), 17s period with SSW swell.
  • Evening surf: Evening surf (19 Aug, local time) - 10ft (3.0m), 17s period with SSW swell.

The current surf forecast for Batu Karas at 11AM is: 3.0m 17s primary swell from a South-southwest direction (forecast issued at 06:00am August 19). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (19 Aug)10ft (3.0m)18s
Afternoon (19 Aug)10ft (3.0m)17s
Evening (19 Aug)10ft (3.0m)17s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Warm (max 26°C on Wed morning, min 24°C on Wed night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
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
4
3
3
3
4
3
3
3
2
3
3
2
2
3
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
Wave
Height (m)
Direction
Period (s)
2.5
SSW
18
3
SSW
18
3
SSW
17
3
SSW
17
3
SSW
17
3
SSW
17
3
SSW
17
3
SSW
16
3
SSW
16
2.5
SSW
16
2.5
SSW
16
2.5
SSW
16
2.5
SSW
16
2.4
SSW
16
2.4
SSW
16
2.2
SSW
16
1.9
SW
15
2.1
SSW
18
2.5
SSW
17
2.5
SSW
17
2.5
SSW
16
2.5
SSW
16
2.5
SSW
16
Wave Graph
Metric surfscale
Energy kJ
4606
4742
5349
5287
5226
5166
5219
4703
4224
3880
3685
3413
3024
2785
2715
2379
1597
2654
3728
3859
3506
3378
3113
Wind (km/h)
10
ENE
10
ENE
10
SE
20
SE
15
SE
10
ESE
10
SE
10
ESE
15
ESE
15
E
20
E
20
SE
20
ESE
15
E
10
E
10
E
10
E
10
E
15
ESE
15
SE
20
SE
20
ESE
20
ESE
Wind State
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross
cross-on
cross-off
cross-off
cross-off
cross
cross
High Tide
11:49AM1.16m
00:09AM1.53m
12:20PM1.01m
00:43AM1.42m
12:53PM0.86m
Low Tide
6:07AM0.36m
5:32PM0.38m
6:49AM0.45m
5:51PM0.47m
7:43AM0.55m
6:05PM0.57m
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
 mm
1
1
Temp °C
24
24
26
26
26
25
25
24
24
25
26
26
26
24
24
24
24
24
26
26
26
25
25
Feels °C
26
26
28
27
28
28
28
26
25
27
26
26
26
25
26
26
26
26
28
28
27
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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Batu Karas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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