Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 12 am 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
27.0° C
0.3° 

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 Jul):

  • Morning surf: Morning surf (16 Jul, local time) - 4.5ft (1.4m), 15s period with SW swell.
  • Afternoon surf: Afternoon surf (16 Jul, local time) - 4.5ft (1.4m), 14s period with SSW swell.
  • Evening surf: Evening surf (16 Jul, local time) - 4.5ft (1.3m), 14s period with SSW swell.

The current surf forecast for Batu Karas at 9AM is: 1.4m 15s primary swell from a Southwest direction and 0.1m 11s secondary swell from a West direction (forecast issued at 12:00am July 16). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (16 Jul)4.5ft (1.4m)15s
Afternoon (16 Jul)4.5ft (1.4m)14s
Evening (16 Jul)4.5ft (1.3m)14s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Thu night. Warm (max 26°C on Thu morning, min 24°C on Wed night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
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
2
1
1
0
0
1
1
2
2
1
1
1
2
2
2
2
0
1
1
1
2
1
1
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)
1.5
SSW
15
1.5
SSW
15
1.5
SSW
15
1.4
SW
15
1.4
SSW
15
1.4
SSW
14
1.3
SSW
14
1.4
SW
14
1.4
SW
15
1.5
SW
16
1.4
SW
16
1.1
SW
16
1.5
SW
16
1.5
SW
15
1.5
SW
15
1.5
SW
15
1.4
SW
15
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
1.4
SW
14
Wave Graph
Metric surfscale
Energy kJ
987
974
974
869
807
796
630
752
881
1101
1031
644
1087
979
966
979
784
763
833
833
742
711
681
671
Wind (km/h)
15
E
15
E
10
ENE
15
ESE
20
ESE
20
ESE
15
ESE
15
ESE
15
E
15
E
15
E
20
ESE
20
ESE
20
SE
15
ESE
15
ESE
15
ESE
15
E
10
ENE
20
E
20
ESE
15
ESE
15
ESE
15
E
Wind State
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross-on
cross-on
cross
cross
cross-off
cross
cross
High Tide
8:58AM1.82m
9:55PM1.34m
9:44AM1.77m
10:34PM1.44m
10:27AM1.67m
Low Tide
2:35AM0.41m
3:46PM-0.00m
3:29AM0.36m
4:22PM0.02m
4:19AM0.35m
4:56PM0.09m
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
thunderstorm
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
clear
part cloud
part cloud
rain showers
<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>
5:43
5:43
5:43
 mm
1
1
1
1
1
1
1
Temp °C
25
25
24
26
26
26
25
25
25
24
25
26
26
26
25
25
25
24
24
25
26
26
25
25
Feels °C
27
27
27
28
27
27
27
27
27
25
27
27
26
27
27
27
27
26
26
26
27
27
27
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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