Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 12 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
26.6° C
0.1° 

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 Aug):

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

The current surf forecast for Batu Karas at 7AM is: 2.0m 16s primary swell from a South-southwest direction (forecast issued at 12:00am August 16). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

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

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


Short Range Forecast

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

Sunday
16
Monday
17
Tuesday
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
3
2
2
2
2
2
2
1
1
1
1
3
3
3
3
3
3
3
2
3
3
3
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)
2.2
SSW
16
2.1
SSW
16
2
SSW
16
1.9
SSW
15
1.8
SSW
15
1.7
SSW
15
1.7
SSW
14
1.8
SSW
14
1.5
SSW
14
1.5
SSW
14
1.4
SSW
14
1.4
SSW
14
1.3
SSW
14
1.3
SSW
13
1.1
SSW
18
1.3
SSW
18
1.3
SSW
17
1.8
SSW
16
2.2
SSW
16
2.4
SSW
16
2.1
SSW
16
2
SSW
16
2
SSW
16
2
SSW
16
Wave Graph
Metric surfscale
Energy kJ
2368
2143
1931
1690
1396
1220
1187
1277
943
943
822
811
662
553
777
1081
984
1777
2475
2931
2234
1904
1856
1832
Wind (km/h)
10
E
10
ENE
10
NE
15
ESE
20
SE
15
SE
10
E
10
E
10
E
10
E
10
ENE
10
ESE
10
SE
15
SE
10
SE
5
ENE
5
NE
5
NE
10
NE
10
E
20
SE
20
SE
10
E
10
E
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross-on
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
glassy
on
on
cross-on
cross-on
cross-off
cross-off
cross
cross-on
High Tide
10:05PM1.62m
10:10AM1.60m
10:37PM1.67m
10:45AM1.47m
11:08PM1.67m
11:18AM1.32m
Low Tide
4:08AM0.22m
4:20PM0.12m
4:49AM0.23m
4:46PM0.20m
5:28AM0.28m
5:11PM0.28m
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
 mm
Temp °C
23
23
23
25
25
25
24
24
23
24
24
25
25
26
25
24
24
23
24
26
25
25
24
24
Feels °C
25
25
25
26
25
26
26
27
26
27
27
27
27
27
28
27
27
26
27
28
25
25
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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