Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 am 11 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 (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 10ft (3.0m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 10ft (3.0m), 16s period with SSW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 10ft (3.0m), 17s period with S swell.

The current surf forecast for Batu Karas at 9AM is: 3.0m 16s primary swell from a South-southwest direction and 1.7m 19s secondary swell from a South-southwest direction (forecast issued at 06:00am August 11). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (11 Aug)10ft (3.0m)16s
Afternoon (11 Aug)10ft (3.0m)16s
Evening (11 Aug)10ft (3.0m)17s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue morning, min 22°C on Tue night). Wind will be generally light.

Tuesday
11
Wednesday
12
Thursday
13
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
4
3
2
2
3
2
2
2
3
3
2
2
3
3
2
3
3
3
2
2
3
3
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)
3
SSW
17
3
SSW
17
2.5
SSW
16
3
S
16
3
SSW
16
3
SSW
16
2.5
S
17
2.5
S
17
2.5
S
17
2.5
S
16
2.5
S
16
2.3
S
16
2.2
S
16
2.1
S
16
2
S
14
2.5
S
18
3
S
18
3
S
17
3
S
17
3
S
17
3
S
16
3
S
16
3
S
16
Wave Graph
Metric surfscale
Energy kJ
5877
6044
3397
5067
4347
4116
4223
4323
3972
3098
3025
2567
2352
2147
1620
4299
4804
4799
5009
5241
5381
5220
4782
Wind (km/h)
10
ENE
10
NNE
15
ESE
20
ESE
20
ESE
15
E
10
E
15
E
15
ENE
10
NNE
15
E
20
ESE
15
ESE
10
E
10
E
10
ENE
10
NE
5
NNE
10
ESE
15
ESE
15
ESE
10
E
10
ENE
Wind State
cross-on
on
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross
cross
cross
cross
cross-on
High Tide
6:10AM1.56m
7:47PM1.04m
7:15AM1.65m
8:24PM1.21m
8:07AM1.71m
8:59PM1.38m
Low Tide
1:33PM0.21m
00:44AM0.59m
2:14PM0.12m
1:48AM0.46m
2:49PM0.07m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
 mm
Temp °C
22
22
24
25
24
23
23
23
23
22
24
24
24
24
23
23
22
22
24
24
24
23
23
Feels °C
24
24
25
25
24
24
25
24
25
25
25
24
25
26
25
25
24
25
26
24
24
25
26
  • 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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