Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
25.5°C
0.9° 

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 (12 Sep):

  • Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.6m), 19s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 6ft (1.9m), 19s period with SW swell.

The current surf forecast for Batu Karas at 9PM is: 1.9m 19s primary swell from a Southwest direction and 1.3m 14s secondary swell from a Southwest direction (forecast issued at 06:00pm September 12). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)5ft (1.6m)19s
Evening (12 Sep)6ft (1.9m)19s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 26°C on Sun morning, min 24°C on Sat afternoon). Wind will be generally light.

Sat
12
Sunday
13
Monday
14
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)
3
3
3
2
3
3
2
3
2
3
3
2
2
2
1
1
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SW
19
1.9
SW
19
1.9
SW
19
2.3
SW
18
2.3
SW
18
2.3
SW
17
2.3
SW
17
2.2
SW
16
2.2
SW
16
2.1
SW
16
2.1
SW
16
2
SW
16
1.9
SW
16
1.9
SW
16
1.9
SW
16
1.9
SW
16
1.9
SW
16
1.9
SW
16
1.9
SW
16
Wave Graph
Metric surfscale
Energy kJ
2315
2475
2530
3411
3297
3148
2966
2527
2496
2269
2080
1856
1738
1761
1761
1761
1738
1738
1738
Wind (km/h)
20
SE
15
ESE
10
ESE
10
E
5
NE
10
ENE
20
ESE
20
ESE
20
ESE
10
E
10
ENE
5
NNE
10
NNE
10
NE
20
ESE
15
ESE
15
SE
15
E
15
ESE
Wind State
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross-off
cross
cross
cross-on
on
on
cross-on
cross
cross
cross-off
cross
cross
High Tide
9:00PM1.67m
9:16AM1.56m
9:29PM1.74m
9:49AM1.49m
9:57PM1.75m
Low Tide
2:49PM0.16m
3:13AM0.14m
3:16PM0.17m
3:48AM0.11m
3:41PM0.20m
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:43
5:43
 mm
1
Temp °C
25
24
25
24
24
24
25
26
25
24
24
24
24
24
25
25
25
24
24
Feels °C
25
26
28
27
27
27
26
27
26
27
27
28
27
27
26
26
27
27
26
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Batu Karas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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