Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas Surf Forecast and Surf Report

Issued: 6 am 08 Jul 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
28.0° C
0.5° 

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 8 Jul 2026:

  • Most powerful swell: Tuesday 14 Jul, 10AM (local time) - 6.5ft (2.0m), 18s period, SSW swell with 2,330 kJ wave energy.

Best Forecast Surf Conditions for Batu Karas this week:

The most powerful waves expected at Batu Karas in the next 16 days are 2.0m 18s and forecast to arrive on Tuesday (Jul 14) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 13s period and expected on Wednesday (Jul 08) at 10AM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10AM (Tue 14th Jul)6.5ft (2.0m) 18s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Wed morning. Warm (max 27°C on Wed morning, min 22°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Warm (max 26°C on Sat morning, min 23°C on Sat night). Wind will be generally light.

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
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
2
2
1
2
1
1
2
1
1
1
0
1
2
1
2
3
2
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
SSW
15
2.1
SSW
15
2
SSW
15
1.9
SSW
15
1.8
SSW
14
1.8
SSW
16
1.8
SW
15
1.9
SW
15
1.6
SW
15
1.5
SW
14
1.1
SW
14
1.5
ESE
8
1.4
ESE
7
0.8
SW
12
1.2
SSW
12
0.8
SSW
21
0.9
SSW
21
1.4
SSW
19
2
SSW
18
2
SSW
17
1.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1883
2002
1787
1475
1319
1713
1511
1609
1124
852
457
290
202
184
403
506
756
1359
2330
2147
1839
Wind (km/h)
25
ESE
20
ESE
15
E
10
E
15
SE
15
ENE
15
ESE
20
ESE
15
E
15
E
20
SE
10
ENE
10
E
15
ESE
10
E
10
E
20
ESE
15
E
15
E
15
ESE
15
E
Wind State
cross
cross
cross-on
cross
cross-off
cross-on
cross
cross
cross
cross
cross-off
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
High Tide
12:51PM1.13m
1:42AM1.45m
1:51PM0.99m
2:36AM1.48m
3:18PM0.87m
3:42AM1.51m
5:12PM0.83m
4:57AM1.57m
6:44PM0.88m
6:09AM1.66m
7:45PM0.98m
7:12AM1.74m
8:33PM1.09m
Low Tide
6:53PM0.43m
8:28AM0.55m
7:31PM0.50m
9:54AM0.49m
8:24PM0.57m
11:23AM0.40m
9:41PM0.62m
12:37PM0.27m
11:10PM0.62m
1:35PM0.15m
00:29AM0.57m
2:24PM0.06m
1:36AM0.49m
rain showers
clear
rain showers
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:00
6:00
6:00
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:42
5:42
5:42
5:42
5:43
 mm
1
1
3
2
3
2
Temp °C
27
27
25
27
26
25
26
27
25
26
26
24
25
26
25
26
26
25
27
26
25
Feels °C
26
27
25
26
26
26
26
27
25
25
26
25
27
27
27
28
26
26
27
27
26
  • 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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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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