Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
26.2°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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 2.5ft (0.7m), 21s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 3.5ft (1.0m), 19s period with SSW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 4ft (1.2m), 19s period with SSW swell.

The current surf forecast for Batu Karas at 1PM is: 0.9m 20s primary swell from a South-southwest direction and 1.2m 10s secondary swell from a South direction, 1.0m 12s secondary swell from a South-southwest direction (forecast issued at 06:00am August 30). The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (30 Aug)2.5ft (0.7m)21s
Afternoon (30 Aug)3.5ft (1.0m)19s
Evening (30 Aug)4ft (1.2m)19s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Warm (max 27°C on Sun morning, min 23°C on Sun night). Wind will be generally light.

Sunday
30
Monday
31
Tuesday
1
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)
2
1
1
2
2
2
2
2
2
2
4
3
3
3
3
2
3
3
2
2
2
2
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)
1.5
SSW
13
0.9
SSW
13
0.7
SW
21
0.9
SSW
20
1
SSW
19
1.1
SW
19
1.2
SSW
19
1.3
SSW
18
1.4
SW
18
1.6
SW
18
1.7
SSW
18
1.8
SW
18
1.9
SW
18
1.9
SW
18
1.9
SW
18
2.2
SW
18
2.1
SW
18
2.1
SW
17
2.1
SW
17
2.1
SW
17
2.1
SW
17
2.1
SW
17
2.1
SW
17
Wave Graph
Metric surfscale
Energy kJ
745
298
450
670
774
837
953
1129
1292
1518
1682
1996
2342
2316
2316
2875
2660
2719
2595
2565
2565
2324
2296
Wind (km/h)
10
N
10
N
10
ESE
20
SE
15
SSE
5
E
5
ENE
5
NE
5
NNE
10
N
15
SE
20
SE
20
SE
10
ESE
10
E
15
E
10
NE
10
NNE
15
ESE
20
ESE
20
ESE
15
E
10
ENE
Wind State
on
on
cross
cross-off
cross-off
cross
cross-on
on
on
cross-on
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
on
cross
cross
cross
cross
cross-on
High Tide
9:17AM1.57m
9:41PM1.60m
9:47AM1.53m
10:06PM1.68m
10:18AM1.45m
Low Tide
3:14AM0.30m
3:27PM0.16m
3:47AM0.23m
3:50PM0.18m
4:21AM0.19m
4:13PM0.21m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
 mm
1
Temp °C
22
23
27
27
26
25
24
23
23
24
27
26
26
25
25
25
24
24
26
26
26
25
24
Feels °C
25
25
28
26
26
28
27
26
26
27
29
27
27
28
28
27
27
27
27
26
26
26
27
  • 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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