Batu Karas surf break

Batu Karas surfForecast / Java – Central / Indonesia

information circle12 Day Weather and Surf, issued 12 am Wednesday 02 Jul 2025 WIB
Forecast update in hr  min  s Forecast update imminent
Batu Karas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Batu Karas sea temperature is
28.3° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Batu Karas this week:

The surf forecast for Batu Karas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 02) at 7AM. The primary swell is predicted to be 1.6m and 15s period with a secondary swell of 0.3m and 14s. Another secondary swell of 1.4m and 8s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Batu Karas in the next 12 days are 1.9m 17s and forecast to arrive on Wednesday (Jul 09) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Monday (Jul 07) at 10AM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 2nd Jul)5ft (1.6m) 15s
Best Surf 7AM (Wed 2nd Jul)5ft (1.6m) 15s
Most Powerful 7AM (Wed 9th Jul)6ft (1.9m) 17s

Table - best surf conditions forecast for Batu Karas over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
SW
1.5
SW
1.4
SW
1.4
SW
1.4
SW
1.5
SSW
1.2
SW
1.4
SW
1.2
SW
1.1
SW
0.9
SSW
0.8
SSW
1
SSW
0.7
SW
0.9
SW
1.4
SW
1.5
SW
1.6
SW
1.4
SW
1.2
SW
1.3
SW
1.5
SSW
2.2
SSW
2.4
SSW
2.4
SSW
2.5
SSW
2.5
SSW
2.5
SSW
2.1
SSW
2.1
SSW
1.8
SSW
1.5
S
1.2
SSW
1.8
SSW
2.3
SSW
2.4
SSW
Period(s) (?)161514141416131514131312121817161615141414171716151515151414131420181817
Wave
Graph
(?)Metric surfscale
Energy (?)15651359119113041393139393510497735905124986356688431186111812471053885894156631083202278529044034258322822050171017332151278739953614
Wind
(km/h)
10
ENE
15
E
20
ESE
15
E
15
E
15
ESE
15
E
20
ESE
15
ESE
10
ENE
10
E
15
ESE
10
ENE
10
E
20
ESE
5
ENE
15
E
15
ESE
15
E
20
E
20
ESE
20
ESE
25
ESE
20
ESE
15
E
15
E
20
ESE
10
NE
10
E
15
SE
5
NE
10
ESE
10
ESE
10
E
10
E
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscross-
on
cross-
on
crosscrosscrosscross-
off
cross-
on
crosscrosscross-
on
crosscrosscross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
crosscross-
off
cross-
on
crosscross-
off
crosscrosscross-
off
High Tide
/ height (m)
12:37AM
1.35
12:20PM
1.26
1:18AM
1.35
1:04PM
1.11
2:01AM
1.34
1:58PM
0.97
2:50AM
1.33
3:17PM
0.86
3:46AM
1.33
5:09PM
0.82
4:48AM
1.34
6:42PM
0.84
5:48AM
1.38
7:38PM
0.90
6:40AM
1.45
8:18PM
0.96
7:26AM
1.52
8:51PM
1.02
8:07AM
1.59
9:23PM
1.10
8:46AM
1.64
9:53PM
1.18
9:22AM
1.67
Low Tide
/ height (m)
6:36AM
0.59
6:42PM
0.39
7:35AM
0.63
7:12PM
0.48
8:44AM
0.64
7:45PM
0.56
10:06AM
0.61
8:27PM
0.64
11:27AM
0.55
9:27PM
0.69
12:33PM
0.45
10:44PM
0.72
1:22PM
0.36
11:54PM
0.70
2:02PM
0.27
12:51AM
0.66
2:38PM
0.19
1:40AM
0.61
3:11PM
0.14
2:23AM
0.57
3:41PM
0.11
3:05AM
0.53
4:11PM
0.10
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
Sunrise-5:58--5:58--5:58--5:58--6:00--6:00--6:00--6:00--6:00--6:00--6:00--6:00-
Sunset--5:39--5:39--5:39--5:40--5:40--5:40--5:40--5:42--5:42--5:42--5:42--5:42
thunderstorm thunderstorm clearthunderstorm thunderstorm thunderstorm thunderstorm rain showerspart cloudrain showersthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm part cloudlight rainrain showersclearpart cloudclearclearpart cloudpart cloudpart cloudclearclearclearpart cloudpart cloudpart cloud
Rain (mm)
91-44153-1326156511215-21-------------
Temp. °C252727262727262726252626242627252626252627252626252626242626252626252726
Feels °C (?)283029292929282827272928262929282929282727252525252626252626262928273029

Short Range Forecast: Heavy rain (total 27mm), heaviest during Tue night. Warm (max 27°C on Wed morning, min 25°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 40mm), heaviest during Mon afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Fri night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 29mm), heaviest during Mon night. Warm (max 27°C on Tue afternoon, min 24°C on Wed night). Wind will be generally light.

Long Range Forecast: Some drizzle, heaviest during Sun night. Warm (max 27°C on Sun morning, min 22°C on Thu night). Wind will be generally light.

  • 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 12 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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