Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 12 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
24.9°C
1.5° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 5.5ft (1.7m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 6ft (1.8m), 15s period with SSW swell.
  • Evening surf: Evening surf (16 Sep, local time) - 6ft (1.9m), 15s period with SSW swell.

The current surf forecast for Batu Karas at 4AM is: 1.7m 15s primary swell from a South-southwest direction and 0.1m 16s secondary swell from a West direction, 1.3m 7s secondary swell from a Southeast direction (forecast issued at 12:00am September 16). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (16 Sep)5.5ft (1.7m)14s
Afternoon (16 Sep)6ft (1.8m)15s
Evening (16 Sep)6ft (1.9m)15s

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


Short Range Forecast

Some drizzle, heaviest during Tue night. Warm (max 26°C on Fri morning, min 24°C on Tue night). Wind will be generally light.

Wednesday
16
Thursday
17
Friday
18
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
0
1
2
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)
1.7
SSW
15
1.7
SSW
15
1.7
SSW
14
1.7
SSW
14
1.8
SSW
15
1.8
SSW
15
1.8
SSW
15
1.9
SSW
15
2
SSW
14
2
SSW
14
1.8
SSW
14
1.8
SSW
14
1.7
SSW
14
1.7
SSW
14
1.7
SSW
14
1.7
SSW
14
1.4
SSW
14
1.4
SSW
14
1.4
SSW
14
1.3
SSW
14
1.4
SW
15
1.3
SSW
15
1.6
SSW
14
1.6
SSW
14
Wave Graph
Metric surfscale
Energy kJ
1158
1158
1261
1261
1409
1409
1428
1546
1604
1604
1351
1332
1176
1159
1034
1019
710
700
700
626
773
711
1031
1016
Wind (km/h)
10
E
15
ESE
15
ESE
20
ESE
15
SE
15
SE
10
ESE
10
E
10
ESE
10
E
10
ENE
15
ESE
20
SE
20
SE
10
E
5
ENE
10
ENE
5
NNE
5
NNE
15
ESE
20
SE
15
SE
10
E
5
ENE
Wind State
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross-on
cross
cross-off
cross-off
cross
cross-on
cross-on
on
on
cross
cross-off
cross-off
cross
cross-on
High Tide
10:25PM1.72m
10:49AM1.26m
10:53PM1.64m
11:17AM1.13m
11:21PM1.53m
11:44AM1.00m
Low Tide
4:55AM0.17m
4:28PM0.32m
5:28AM0.27m
4:48PM0.40m
6:03AM0.38m
5:05PM0.49m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:42
5:42
 mm
Temp °C
24
24
24
25
25
25
24
24
24
24
24
25
25
25
25
24
24
24
24
25
26
26
25
25
Feels °C
26
26
25
25
25
26
27
26
26
27
27
27
26
25
28
27
27
27
27
26
27
27
28
29
  • 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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