Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 12 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
25.1°C
1.3° 

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 4PM is: 1.8m 15s primary swell from a South-southwest direction and 0.4m 20s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a Southeast direction (forecast issued at 12:00pm September 16). The wind direction is predicted to be cross-offshore and the swell rating is 3.

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 Fri night. Warm (max 26°C on Fri morning, min 23°C on Wed night). Wind will be generally light.

Wed
16
Thursday
17
Friday
18
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)
1
2
3
2
2
2
2
2
2
2
2
2
2
2
1
1
0
2
2
2
2
Swell
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
14
1.8
SSW
15
1.8
SSW
15
1.8
SSW
15
1.9
SSW
15
2
SSW
14
2
SSW
14
1.9
SSW
14
1.8
SSW
14
1.8
SSW
14
1.7
SSW
14
1.7
SSW
14
1.7
SSW
14
1.4
SSW
14
1.4
SSW
14
1.3
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
1261
1409
1409
1428
1546
1604
1604
1427
1332
1295
1143
1143
1019
710
700
617
626
869
711
1031
1016
Wind (km/h)
20
ESE
15
SE
15
SE
10
ESE
10
E
5
E
5
ENE
5
NE
15
ESE
20
SE
20
SE
10
E
5
ENE
10
E
10
ENE
10
NNE
15
ESE
20
SE
15
SE
10
ESE
5
ESE
Wind State
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
on
cross
cross-off
cross-off
cross
cross-on
cross
cross-on
on
cross
cross-off
cross-off
cross
cross
High Tide
10:49AM1.26m
10:53PM1.64m
11:17AM1.13m
11:21PM1.53m
11:44AM1.00m
Low Tide
4:28PM0.32m
5:28AM0.27m
4:48PM0.40m
6:03AM0.38m
5:05PM0.49m
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<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
25
25
25
24
24
24
23
23
25
25
25
24
24
24
24
24
26
25
26
25
25
Feels °C
25
26
26
27
27
27
26
26
26
26
25
27
27
27
27
26
27
26
28
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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