Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
25.6°C
0.8° 

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 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 4.5ft (1.4m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 7ft (2.1m), 17s period with SSW swell.
  • Evening surf: Evening surf (19 Sep, local time) - 7ft (2.2m), 16s period with SSW swell.

The current surf forecast for Batu Karas at 11AM is: 1.5m 14s primary swell from a South-southwest direction and 1.1m 18s secondary swell from a Southwest direction, 0.5m 5s secondary swell from a East-southeast direction (forecast issued at 06:00am September 19). The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (19 Sep)4.5ft (1.4m)14s
Afternoon (19 Sep)7ft (2.1m)17s
Evening (19 Sep)7ft (2.2m)16s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Sun morning, min 23°C on Sat night). Wind will be generally light.

Saturday
19
Sunday
20
Monday
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)
2
2
1
2
3
3
3
3
3
2
3
2
3
3
2
2
2
2
1
2
2
1
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)
1.5
SSW
14
1.4
SSW
14
1.5
SSW
14
1.4
SW
18
2.1
SSW
17
2.2
SSW
17
2.3
SSW
16
2.4
SSW
16
2.4
SSW
16
2.3
SSW
16
2.3
SSW
16
2.2
SW
16
2.2
SW
16
2.1
SW
15
2.1
SW
15
2
SW
15
1.9
SW
14
1.8
SW
14
1.7
SW
14
1.7
SSW
14
1.7
SSW
14
1.5
SSW
13
1.5
SSW
13
Wave Graph
Metric surfscale
Energy kJ
874
763
956
1213
2611
2862
2799
2936
2900
2697
2663
2413
2352
2048
1835
1672
1533
1321
1170
1065
1005
820
808
Wind (km/h)
10
NNE
10
NNE
15
ESE
15
SE
15
ESE
10
E
10
E
5
NE
10
NE
10
ENE
15
ESE
15
ESE
20
ESE
10
E
10
ENE
5
ENE
10
NNE
10
NNE
15
ESE
15
SE
20
SE
10
E
5
ENE
Wind State
on
on
cross
cross-off
cross-off
cross
cross-on
cross-on
on
cross-on
cross
cross
cross-off
cross-on
cross-on
cross-on
on
on
cross
cross-off
cross-off
cross-on
glassy
High Tide
12:14PM0.88m
00:26AM1.29m
1:04PM0.76m
1:24AM1.17m
Low Tide
6:47AM0.51m
5:17PM0.58m
8:03AM0.62m
5:06PM0.69m
11:09AM0.63m
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:37
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:42
5:42
 mm
Temp °C
23
24
25
25
25
24
25
24
23
24
26
26
25
25
24
23
24
24
25
25
25
24
24
Feels °C
26
27
26
26
26
27
29
27
26
27
27
27
25
28
28
26
27
26
26
26
26
27
28
  • 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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