Batu Karas Surf Break
Lat Long: 7.75° S 108.50° E

Batu Karas Surf Forecast and Surf Report

Weather Forecast for Batu Karas

Issued: 12 pm 03 Jun 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
29.4° C

Slightly warmer than usual

Batu Karas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Batu Karas surf forecast from 3 Jun 2026:

  • Best quality surf: Tuesday 9 Jun, 4AM (local time) - 6.5ft (2.0m), 15s period, SSW swell with glassy winds.
  • Most powerful swell: Wednesday 10 Jun, 7PM (local time) - 8ft (2.5m), 18s period, SSW swell with 3,843 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 9 Jun, 4AM (local time) - 6.5ft (2.0m), 15s period with SSW swell.

Best Forecast Surf Conditions for Batu Karas this week:

The surf forecast for Batu Karas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 09) at 4AM. The primary swell is predicted to be 2.0m and 15s period with a secondary swell of 1.1m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Batu Karas in the next 16 days are 2.5m 18s and forecast to arrive on Wednesday (Jun 10) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Tuesday (Jun 09) at 10AM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Tue 9th Jun)6.5ft (2.0m) 15s
Best Surf 4AM (Tue 9th Jun)6.5ft (2.0m) 15s
Most Powerful 7PM (Wed 10th Jun)8ft (2.5m) 18s

Table - best surf conditions forecast for Batu Karas over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 26mm), heaviest during Fri night. Warm (max 28°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Sat morning. Warm (max 28°C on Sat morning, min 25°C on Mon night). Wind will be generally light.

Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
S
14
1.6
SSW
14
1.4
S
13
1.3
SSW
13
0.9
SSW
17
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.3
SSW
17
1.8
SSW
16
1.7
SSW
16
1.6
SSW
16
1.6
SSW
16
1.3
SSW
19
2.2
SSW
18
2.2
SSW
16
2.1
SSW
16
2
SSW
16
1.7
SSW
15
1.7
SSW
15
1.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
1622
928
663
528
481
1070
929
980
1069
1713
1536
1241
1225
1247
2921
2388
2107
1828
1292
1275
1099
Wind (km/h)
15
E
20
ESE
15
E
15
ESE
15
ESE
15
ENE
10
E
20
ESE
20
E
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
15
ESE
25
ESE
20
ESE
10
ENE
15
ESE
15
ESE
15
E
Wind State
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
High Tide
10:25PM1.11m
9:57AM1.57m
11:01PM1.11m
10:30AM1.52m
11:39PM1.12m
11:03AM1.45m
00:19AM1.13m
11:40AM1.36m
1:03AM1.17m
12:24PM1.25m
1:51AM1.22m
1:22PM1.14m
2:44AM1.29m
Low Tide
4:17PM0.15m
3:34AM0.54m
4:50PM0.19m
4:09AM0.58m
5:24PM0.24m
4:47AM0.64m
5:57PM0.30m
5:33AM0.69m
6:32PM0.37m
6:31AM0.73m
7:09PM0.43m
7:48AM0.73m
7:52PM0.49m
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
part cloud
part cloud
rain showers
thunderstorm
part cloud
rain showers
thunderstorm
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:52
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:35
5:35
5:35
5:35
5:35
5:35
 mm
5
4
2
4
1
1
9
3
1
2
2
2
2
2
Temp °C
27
28
27
27
28
27
28
28
27
28
28
26
28
28
27
28
28
26
27
27
26
Feels °C
28
29
30
29
31
30
30
30
29
29
28
27
28
27
28
28
28
28
29
28
27
Swell 1
Height (m)
Direction
Period (s)
2
S
14
1.6
SSW
14
1.4
S
13
1.3
SSW
13
1
SSW
13
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.3
SSW
17
1.8
SSW
16
1.7
SSW
16
1.6
SSW
16
1.6
SSW
16
1.5
SSW
15
2.2
SSW
18
2.2
SSW
16
2.1
SSW
16
2
SSW
16
1.7
SSW
15
1.7
SSW
15
1.7
SSW
14
Energy kJ
1622
928
663
528
330
1070
929
980
1069
1713
1536
1241
1225
1014
2921
2388
2107
1828
1292
1275
1099
Swell 2
Height (m)
Direction
Period (s)
1.1
SW
15
1.5
S
14
1.3
SSW
13
1.1
S
12
0.9
SSW
17
0.7
S
12
0.6
S
11
0.7
S
13
1.1
SW
14
0.4
S
10
0.5
SSW
24
0.9
SSW
21
1.2
SSW
20
1.3
SSW
19
0.2
S
10
0.5
S
18
Energy kJ
509
919
553
365
481
132
84
162
463
33
314
808
1021
1247
7
165
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
20
0.5
SW
19
0.9
SSW
18
0.9
SW
18
0.9
S
12
0.2
SSW
21
0.5
SSW
20
0.4
SSW
20
0.6
S
12
0.4
S
14
0.5
S
13
0.8
SW
12
0.3
S
11
0.6
SSW
11
Energy kJ
186
184
547
465
233
45
216
155
99
57
84
172
21
79
Wind waves
Height (m)
Direction
Period (s)
1
ESE
6
1.2
SE
6
1.3
ESE
6
1.2
ESE
6
1.4
SE
6
1.6
SE
6
1.6
SE
6
1.6
SE
7
1.9
SE
7
2.2
ESE
7
1.9
SE
7
1.9
ESE
7
1.8
SE
7
1.6
SE
7
1.5
SE
7
1.5
SE
7
1.3
SE
6
1.1
SE
6
1.4
SE
6
1.5
SE
6
1.3
SE
6
Energy kJ
65
98
107
90
152
195
201
244
352
476
394
372
321
240
204
198
136
88
143
175
124
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
Distance (km)
230
238
18
230
230
8
18
230
230
230
265
230
265
519
230
230
519
8
265
519
18
Best forecast wave conditions in Central Java
Rating
(10 max)
4
3
4
4
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
4
5
5
5
9
7
5
9
8
6
8
9
6
6
7
9
9
5
  • 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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Information about the Batu Karas Surf forecast

The above surf forecast table for Batu Karas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Batu Karas can be found by selecting the local surf guide option on the grey menu. Our Batu Karas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Batu Karas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Batu Karas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Batu Karas is 43 km (27 miles) from the city of Sidareja. If you plan a holiday in Central Java, look for hotels and other accommodation in Sidareja. Sidareja has rooms for a wide range of budgets as well as car hire and transport links.

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