Batu Karas Surf Break

Batu Karas 48 hour detailed Surf Forecast

Lat Long: 7.75° S 108.50° E

Issued: 12 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
28.4° 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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 6ft (1.9m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 6ft (1.9m), 12s period with S swell.
  • Evening surf: Evening surf (18 Jun, local time) - 6ft (1.8m), 12s period with S swell.

The current surf forecast for Batu Karas at 8PM is: 1.9m 12s primary swell from a South direction and 0.1m 22s secondary swell from a Southwest direction, 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 12:00pm June 18). The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (18 Jun)6ft (1.9m)13s
Afternoon (18 Jun)6ft (1.9m)12s
Evening (18 Jun)6ft (1.8m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Fri night. Warm (max 27°C on Thu morning, min 24°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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
1 AM
4 AM
7 AM
Rating
(10 max)
2
2
1
1
1
1
1
1
1
0
1
0
0
1
2
1
2
2
1
1
1
1
2
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)
1.9
S
13
1.9
S
13
1.9
S
12
1.9
S
12
1.8
S
12
1.8
SSE
12
1.6
SSE
9
1.6
SSE
9
1.8
SSE
12
1.7
SSE
9
1.8
SSE
11
1.7
SE
9
1.9
SSE
9
2
SE
9
0.9
SSW
16
1.1
SW
16
1.1
SW
16
1.1
SW
16
1.2
SW
16
1.3
SW
16
1.3
SW
16
1.3
SW
15
1.3
SW
15
1.3
SW
15
Wave Graph
Metric surfscale
Energy kJ
1200
1173
1100
1080
972
976
372
395
843
459
759
449
588
607
475
610
610
661
739
793
773
733
704
695
Wind (km/h)
10
E
15
SE
20
ESE
15
ESE
15
E
10
ENE
10
NE
10
NE
10
E
20
ESE
20
ESE
15
E
15
E
15
E
15
E
15
ESE
15
ESE
20
ESE
25
ESE
20
ESE
15
ESE
10
E
15
E
10
ENE
Wind State
cross
cross-off
cross
cross
cross-on
cross-on
on
on
cross-on
cross
cross
cross
cross
cross-on
cross
cross
cross
cross-off
cross
cross
cross
cross-on
cross
cross-on
High Tide
9:49AM1.83m
10:51PM1.27m
10:37AM1.72m
11:37PM1.32m
11:24AM1.57m
00:24AM1.35m
Low Tide
4:42PM0.01m
4:18AM0.42m
5:23PM0.09m
5:15AM0.47m
6:04PM0.19m
6:15AM0.53m
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
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
5:37
 mm
1
1
1
1
1
1
1
Temp °C
26
27
27
26
26
25
24
24
26
27
27
26
26
26
26
26
27
26
27
26
26
25
26
26
Feels °C
29
29
28
27
28
27
27
28
29
28
29
28
28
29
28
28
29
27
28
28
28
28
29
29
Swell 1
Height (m)
Direction
Period (s)
1.9
S
13
1.9
S
13
1.9
S
12
1.9
S
12
1.8
S
12
1.8
SSE
12
1.6
SSE
9
1.6
SSE
9
1.8
SSE
12
1.7
SSE
9
0.7
SSW
18
0.9
SSW
11
0.7
SSW
18
0.8
SSW
18
1.1
S
8
1.9
SE
8
1.8
SE
8
1.8
SE
8
1.2
SW
16
1.3
SW
16
1.3
SW
16
1.3
SW
15
1.3
SW
15
1.3
SW
15
Energy kJ
1200
1173
1100
1080
972
976
372
395
843
459
289
176
283
395
173
498
459
413
739
793
773
733
704
695
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
9
0.1
S
24
0.1
S
22
0.2
SSW
22
0.2
SSW
21
0.8
SSW
12
0.9
SSW
12
0.4
SSW
20
0.6
SSW
12
0.1
W
9
0.7
SSW
18
0.5
SW
12
0.5
SW
12
0.9
SSW
16
1.1
SW
16
1.1
SW
16
1.1
SW
16
0.6
S
9
0.3
S
10
Energy kJ
1
1
11
9
45
45
193
206
151
103
1
283
71
71
475
610
610
661
57
18
Swell 3
Height (m)
Direction
Period (s)
0.1
S
23
0.1
W
9
0.1
W
9
0.3
S
12
0.3
S
12
0.4
SSW
20
0.1
W
9
0.4
SSW
20
0.1
W
9
0.1
W
9
0.5
SW
12
0.6
S
10
Energy kJ
11
1
2
26
26
152
2
149
1
1
72
69
Wind waves
Height (m)
Direction
Period (s)
0.8
ESE
6
0.5
E
6
0.7
E
7
0.3
ESE
7
0.3
ESE
7
0.1
N
9
0.3
E
6
1.8
SE
9
1.8
SSE
11
1.7
SE
9
1.9
SSE
9
2
SE
9
1.6
SE
8
2.1
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
Energy kJ
51
18
43
9
9
2
7
493
759
449
588
607
297
569
459
448
413
435
437
437
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
2
4
3
3
3
4
2
3
3
4
4
4
3
4
3
4
3
4
4
4
Distance (km)
230
235
389
230
18
6
6
6
18
240
230
230
230
18
18
18
230
235
230
230
230
18
18
8
Best forecast wave conditions in Central Java
Rating
(10 max)
2
4
3
3
3
4
4
4
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
3
3
3
4
4
3
3
3
4
4
4
3
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
9
9
9
5
5
5
5
6
6
6
6
7
4
4
4
4
4
5
5
9
9
4
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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