Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
27.3° C
0.0° 

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 (13 Jul):

  • Afternoon surf: Afternoon surf (13 Jul, local time) - 3.5ft (1.1m), 20s period with SSW swell.
  • Evening surf: Evening surf (13 Jul, local time) - 4.5ft (1.4m), 19s period with SSW swell.

The current surf forecast for Batu Karas at 10PM is: 1.5m 19s primary swell from a South-southwest direction and 0.8m 13s secondary swell from a South-southwest direction, 1.1m 7s secondary swell from a Southeast direction (forecast issued at 06:00pm July 13). The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (13 Jul)--
Afternoon (13 Jul)3.5ft (1.1m)20s
Evening (13 Jul)4.5ft (1.4m)19s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Mon night. Warm (max 26°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light.

Mon
13
Tuesday
14
Wednesday
15
Thu
16
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
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
3
2
2
3
2
3
2
2
3
2
2
2
2
2
1
1
1
2
2
2
1
2
1
0
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)
1.1
SSW
20
1.3
SSW
19
1.5
SSW
19
1.6
SSW
19
1.9
SSW
18
1.9
SSW
18
2
SSW
18
2.1
SSW
17
1.8
SSW
16
1.8
SSW
16
2
SSW
16
2
SSW
17
1.9
SSW
16
1.8
SSW
16
1.7
SSW
16
1.7
SSW
16
1.6
SSW
16
1.5
SSW
15
1.5
SSW
15
1.5
SSW
15
1.4
SSW
15
1.4
SW
15
1.4
SW
15
1.3
SSW
15
Wave Graph
Metric surfscale
Energy kJ
947
1222
1581
1790
2265
2120
2330
2523
1708
1606
2021
2173
1884
1586
1415
1415
1257
988
936
924
807
869
869
711
Wind (km/h)
15
SE
15
ESE
10
E
15
E
10
E
15
ESE
20
ESE
25
ESE
20
ESE
20
ESE
15
E
15
E
10
E
10
E
20
ESE
20
ESE
20
ESE
15
ESE
15
E
15
ESE
15
ESE
15
ESE
20
E
20
ESE
Wind State
cross-off
cross
cross-on
cross
cross-on
cross
cross
cross
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
7:45PM0.98m
7:12AM1.74m
8:33PM1.09m
8:07AM1.80m
9:15PM1.22m
8:58AM1.82m
Low Tide
00:29AM0.57m
2:24PM0.06m
1:36AM0.49m
3:07PM0.01m
2:35AM0.41m
clear
clear
part cloud
part cloud
rain showers
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
5:43
 mm
1
1
1
1
1
1
1
Temp °C
26
25
24
25
25
25
25
26
26
25
25
24
24
24
26
26
26
25
25
25
25
25
25
26
Feels °C
27
26
26
27
28
26
25
26
26
26
26
25
26
27
27
27
27
27
27
27
27
27
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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