Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 6 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
25.3°C
1.1° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 6ft (1.9m), 16s period with SSW swell.

The current surf forecast for Batu Karas at 3PM is: 2.1m 16s primary swell from a South-southwest direction and 0.1m 28s secondary swell from a South direction (forecast issued at 06:00am September 10). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (10 Sep)7ft (2.1m)16s
Afternoon (10 Sep)7ft (2.1m)16s
Evening (10 Sep)6ft (1.9m)16s

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


Short Range Forecast

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

Thursday
10
Friday
11
Saturday
12
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)
3
3
3
3
3
3
3
3
2
2
2
3
2
2
2
2
2
2
1
3
3
3
3
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)
2.1
SSW
15
1.9
SSW
16
2.2
SSW
16
2
SSW
16
2.2
SSW
16
2.2
SSW
16
1.9
SSW
16
1.9
SSW
16
1.8
SW
16
1.8
SW
16
1.8
SW
16
1.7
SW
15
1.7
SW
15
1.6
SW
15
1.6
SW
15
1.5
SW
14
1.1
SW
21
1.5
SW
14
1.4
SW
15
1.4
SW
19
1.8
SW
19
1.9
SW
19
1.9
SW
19
Wave Graph
Metric surfscale
Energy kJ
2088
1904
2417
2027
2388
2599
1765
1743
1591
1571
1531
1323
1271
1059
1045
928
1051
928
776
1475
2315
2475
2530
Wind (km/h)
10
ESE
10
E
15
ESE
15
SE
20
SE
10
ESE
10
E
15
E
10
E
10
ENE
15
ESE
15
SE
15
SE
10
E
10
E
10
E
10
E
10
E
15
ESE
15
SE
15
SE
10
E
10
E
Wind State
cross
cross-on
cross
cross-off
cross-off
cross
cross
cross
cross
cross-on
cross
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
High Tide
7:15AM1.54m
8:01PM1.39m
8:01AM1.59m
8:31PM1.55m
8:40AM1.60m
9:00PM1.67m
Low Tide
1:02AM0.52m
1:49PM0.21m
1:52AM0.36m
2:20PM0.17m
2:34AM0.23m
2:49PM0.16m
cloud
rain showers
clear
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
part cloud
light rain
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:43
5:43
 mm
1
1
1
1
1
1
Temp °C
24
24
26
25
25
24
24
24
24
24
25
26
25
24
24
24
24
24
25
25
25
24
25
Feels °C
27
27
28
26
26
26
26
26
27
27
27
28
26
26
27
26
27
27
27
26
26
27
28
  • 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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