Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 12 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
26.7° C
0.5° 

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 (17 Jul):

  • Morning surf: Morning surf (17 Jul, local time) - 4ft (1.2m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Jul, local time) - 5ft (1.5m), 15s period with SW swell.
  • Evening surf: Evening surf (17 Jul, local time) - 5ft (1.5m), 15s period with SW swell.

The current surf forecast for Batu Karas at 5PM is: 1.5m 15s primary swell from a Southwest direction and 0.1m 10s secondary swell from a West direction, 1.2m 7s secondary swell from a Southeast direction (forecast issued at 12:00pm July 17). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (17 Jul)4ft (1.2m)16s
Afternoon (17 Jul)5ft (1.5m)15s
Evening (17 Jul)5ft (1.5m)15s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Warm (max 27°C on Fri morning, min 24°C on Fri night). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
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
1
2
2
1
1
1
2
1
1
0
0
0
1
1
1
0
1
2
2
3
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)
1.1
SW
16
1.5
SW
16
1.5
SW
15
1.5
SW
15
1.5
SW
15
1.5
SW
15
1.4
SW
14
1.5
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
13
1.4
SW
13
1.3
SW
13
1.3
SW
13
1
SSW
17
1.2
SSW
16
1.8
SSW
16
1.9
SSW
15
Wave Graph
Metric surfscale
Energy kJ
653
1087
979
966
979
953
833
928
833
742
711
681
661
651
642
560
552
543
770
1588
1632
Wind (km/h)
20
ESE
20
ESE
15
ESE
15
E
10
ENE
10
ENE
5
ENE
10
E
20
ESE
20
ESE
20
ESE
15
ESE
15
E
15
E
15
E
10
ENE
15
ESE
20
ESE
15
SE
15
ESE
15
ESE
Wind State
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-off
cross
cross
High Tide
9:44AM1.77m
10:34PM1.44m
10:27AM1.67m
11:12PM1.51m
11:08AM1.53m
Low Tide
4:22PM0.02m
4:19AM0.35m
4:56PM0.09m
5:09AM0.36m
5:28PM0.17m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
rain showers
part cloud
rain showers
clear
rain showers
clear
clear
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
5:44
 mm
1
1
1
1
Temp °C
27
26
26
25
24
24
24
25
26
26
26
25
25
25
24
24
26
26
26
25
25
Feels °C
27
26
27
27
26
26
27
27
26
27
27
27
27
27
26
27
28
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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