Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas Surf Forecast and Surf Report

Issued: 6 am 14 Jul 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
27.3° C
0.0° 

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 14 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 7PM (local time) - 6ft (1.9m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Monday 20 Jul, 4AM (local time) - 7ft (2.1m), 17s period, SSW swell with 2,674 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 4PM (local time) - 4.5ft (1.3m), 17s 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 Sunday (Jul 19) at 4PM. The primary swell is predicted to be 1.3m and 17s period with a secondary swell of 1.2m and 13s. Another secondary swell of 1.2m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Batu Karas in the next 16 days are 2.1m 17s and forecast to arrive on Monday (Jul 20) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 12s period and expected on Tuesday (Jul 14) at 1PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sun 19th Jul)4.5ft (1.3m) 17s
Best Surf 7PM (Sun 19th Jul)6ft (1.9m) 16s
Most Powerful 4AM (Mon 20th Jul)7ft (2.1m) 17s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Tue morning. Warm (max 26°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 26°C on Fri morning, min 24°C on Fri night). Wind will be generally light.

Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
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
3
1
1
2
1
1
1
1
2
2
1
1
1
1
3
3
2
4
1
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
18
1.8
SSW
16
2
SSW
17
1.7
SSW
16
1.6
SSW
16
1.5
SSW
15
1.4
SW
15
1.3
SSW
14
1.4
SW
15
1.1
SW
16
1.5
SW
15
1.4
SW
15
1.4
SW
14
1.4
SW
14
1.4
SW
13
1.3
SW
13
1.3
SSW
17
2
SSW
17
2.2
SSW
16
2.1
SSW
16
1.9
SSW
15
Wave Graph
Metric surfscale
Energy kJ
2330
1708
2147
1415
1257
924
869
701
784
644
979
784
833
701
651
552
946
2377
2447
2200
1475
Wind (km/h)
20
ESE
25
ESE
15
E
20
ESE
20
ESE
15
ESE
15
E
20
ESE
15
E
20
ESE
20
SE
15
ESE
20
E
20
SE
15
ESE
15
E
15
ESE
15
ESE
15
ESE
15
SE
15
E
Wind State
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-on
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross-on
High Tide
8:33PM1.09m
8:07AM1.80m
9:15PM1.22m
8:58AM1.82m
9:55PM1.34m
9:44AM1.77m
10:34PM1.44m
10:27AM1.67m
11:12PM1.51m
11:08AM1.53m
11:50PM1.54m
11:48AM1.36m
00:27AM1.53m
Low Tide
2:24PM0.06m
1:36AM0.49m
3:07PM0.01m
2:35AM0.41m
3:46PM-0.00m
3:29AM0.36m
4:22PM0.02m
4:19AM0.35m
4:56PM0.09m
5:09AM0.36m
5:28PM0.17m
5:58AM0.41m
5:58PM0.28m
rain showers
part cloud
part cloud
thunderstorm
clear
rain showers
thunderstorm
clear
rain showers
rain showers
part cloud
rain showers
rain showers
part cloud
rain showers
rain showers
part cloud
rain showers
rain showers
clear
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>
5:43
5:43
5:43
5:43
5:43
5:44
5:44
 mm
1
1
3
1
4
2
3
1
3
1
2
2
4
Temp °C
25
26
25
26
26
25
26
26
25
26
26
25
26
26
25
26
26
25
26
26
24
Feels °C
26
26
26
26
27
27
28
27
27
27
27
27
27
27
27
27
27
27
27
28
26
  • 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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