Batu Karas Surf Break

Batu Karas 48 hour detailed Surf Forecast

Lat Long: 7.75° S 108.50° E

Issued: 12 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
28.3° C

Normal for this time of year

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 (20 Jun):

  • Morning surf: Morning surf (20 Jun, local time) - 3.5ft (1.1m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Jun, local time) - 3.5ft (1.1m), 16s period with SW swell.
  • Evening surf: Evening surf (20 Jun, local time) - 4.5ft (1.3m), 16s period with SW swell.

The current surf forecast for Batu Karas at 4AM is: 0.9m 16s primary swell from a South-southwest direction and 1.1m 8s secondary swell from a South direction, 1.6m 8s secondary swell from a Southeast direction (forecast issued at 12:00am June 20). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (20 Jun)3.5ft (1.1m)16s
Afternoon (20 Jun)3.5ft (1.1m)16s
Evening (20 Jun)4.5ft (1.3m)16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun morning. Warm (max 27°C on Sat morning, min 25°C on Sat night). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
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
1
1
2
1
1
1
2
0
0
1
2
1
2
2
0
1
2
2
2
3
3
2
2
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)
1.9
SE
9
0.9
SSW
16
1.1
SW
16
1.1
SW
16
1.1
SW
16
1.2
SW
16
1.2
SW
16
1.3
SW
16
1.1
SW
15
1.1
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
15
1.6
SE
8
1.3
SW
15
1.3
SW
14
1.1
SW
14
1.2
SW
14
1.3
SW
14
1.4
SW
14
1.5
SW
16
1.5
SW
16
1.5
SW
16
Wave Graph
Metric surfscale
Energy kJ
560
475
610
610
661
739
720
783
581
558
695
685
685
685
349
685
676
514
573
621
743
1115
1115
1101
Wind (km/h)
15
E
15
ESE
15
ESE
15
ESE
20
ESE
20
ESE
15
ESE
15
E
10
ENE
10
E
10
E
15
E
15
ESE
15
SE
15
ESE
10
E
10
ENE
10
NE
5
NE
10
ESE
15
SE
15
SE
15
ESE
10
E
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
High Tide
11:37PM1.32m
11:24AM1.57m
00:24AM1.35m
12:12PM1.39m
1:14AM1.38m
1:04PM1.21m
Low Tide
5:15AM0.47m
6:04PM0.19m
6:15AM0.53m
6:43PM0.30m
7:23AM0.58m
7:23PM0.41m
part cloud
thunderstorm
thunderstorm
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
rain showers
clear
part cloud
clear
part cloud
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
 mm
1
1
1
1
1
1
2
2
2
1
1
Temp °C
26
26
26
27
27
27
26
26
25
26
26
26
27
27
26
26
25
25
25
27
26
27
26
26
Feels °C
28
28
28
30
29
28
28
29
28
29
29
28
29
29
29
29
28
28
29
30
28
30
29
29
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
18
1.1
S
8
1.1
SW
16
1.1
SW
16
1.1
SW
16
1.2
SW
16
1.2
SW
16
1.3
SW
16
1.1
SW
15
1.1
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
15
0.9
SW
14
1.3
SW
15
1.5
SE
8
1.5
SE
8
1.5
SE
8
1.5
SE
8
1.5
SE
8
1.5
SW
16
1.5
SW
16
1.4
SE
8
Energy kJ
395
173
610
610
661
739
720
783
581
558
695
685
685
685
346
685
299
299
311
311
306
1115
1115
286
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
12
0.9
SSW
16
0.4
SW
12
0.3
S
9
0.2
S
9
0.8
SSW
15
0.2
S
9
1.3
SW
14
1.1
SW
14
1.2
SW
14
1.3
SW
14
1.4
SW
14
1.4
SE
8
1.4
SE
8
1.5
SW
16
Energy kJ
71
475
37
15
6
283
6
676
514
573
621
743
279
286
1101
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
12
0.5
SW
12
0.1
W
8
0.1
W
8
0.2
SSW
20
0.1
W
8
0.2
S
9
0.7
SSW
18
0.7
SSW
18
0.6
SSW
18
0.1
W
15
0.1
W
9
0.7
SW
13
0.1
W
9
Energy kJ
71
72
1
1
37
1
6
270
276
211
4
2
168
2
Wind waves
Height (m)
Direction
Period (s)
1.9
SE
9
1.6
SE
8
2
SE
8
2
SE
8
2
SE
8
1.8
SE
8
1.8
SE
8
1.8
SE
8
1.8
SE
8
1.8
SE
8
1.8
SE
8
1.8
SE
8
1.7
SE
8
1.6
SE
8
1.6
SE
8
1.5
SE
8
Energy kJ
560
355
532
519
519
448
448
403
403
393
427
393
373
349
349
299
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
3
3
4
4
4
4
4
4
3
3
3
3
3
3
4
4
3
3
3
3
3
Distance (km)
230
230
18
230
387
233
230
18
8
18
8
18
389
233
230
18
6
6
6
18
0
0
230
230
Best forecast wave conditions in Central Java
Rating
(10 max)
4
4
4
4
4
3
3
3
4
4
3
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
4
4
4
5
5
5
5
5
5
8
9
9
9
8
7
8
8
8
7
6
5
6
6
5
  • 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
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