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Surf Forecasts:

Batu Karas surf break

Batu Karas surfForecast / Java – Central / Indonesia

information circle12 Day Weather and Surf, issued 12 pm Saturday 14 Feb 2026 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
28.9° C
 (Which is normal for this time of year)

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 Saturday (Feb 14) at 10PM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.5m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Batu Karas in the next 12 days are 1.6m 16s and forecast to arrive on Thursday (Feb 19) at 1AM. 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 (Feb 17) at 4PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sat 14th Feb)4ft (1.2m) 12s
Best Surf 4AM (Wed 18th Feb)2.5ft (0.8m) 19s
Most Powerful 1AM (Thu 19th Feb)5ft (1.6m) 16s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 13mm), heaviest on Mon night. Warm (max 29°C on Sat morning, min 25°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 84mm), heaviest during Tue afternoon. Warm (max 28°C on Tue morning, min 24°C on Tue afternoon). Wind will be generally light.

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
1
2
1
1
2
0
1
2
1
1
2
3
2
3
3
2
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SSW
1.3
SSW
1.2
SSW
0.8
SSW
1.1
SW
1.1
SW
1.2
SW
1.2
SW
1.1
SW
1
SW
1
SW
1.8
W
0.9
SSW
1.1
SSW
1.6
SSW
1.6
SSW
1.6
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.4
SSW
Period(s) (?)13131220181716161514148181716151414131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)367572432485727679757720489407401362522772123910881031668514514575
Wind
(km/h)
10
SW
20
SW
10
WNW
5
SSW
25
WSW
15
W
5
WNW
25
WSW
15
WNW
5
ESE
20
WSW
5
N
5
NNE
5
SW
5
NW
5
NNE
10
W
10
NW
5
NE
5
SSW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		crossoffcross-
off		cross-
off		glasscross-
off		crossglasscross-
off		cross-
on		glassglasscrossglasscross-
off		crossglassglasscross-
on
High Tide
/ height (m)
6:27PM
1.30
8:22AM
0.98
7:17PM
1.42
8:36AM
1.11
7:55PM
1.53
8:54AM
1.24
8:29PM
1.60
9:15AM
1.37
9:02PM
1.64
9:38AM
1.50
9:34PM
1.64
10:02AM
1.61
10:06PM
1.59
Low Tide
/ height (m)
11:33AM
0.82
1:57AM
0.35
12:55PM
0.73
2:20AM
0.26
1:41PM
0.62
2:42AM
0.19
2:19PM
0.51
3:04AM
0.14
2:55PM
0.40
3:27AM
0.11
3:29PM
0.30
3:49AM
0.11
4:05PM
0.23
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise5:48--5:48--5:48--5:48--5:48--5:50--5:50--
Sunset-6:09--6:09--6:09--6:09--6:08--6:08--6:08-
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
mod rain
heavy rain
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
rain showers
Rain (mm)
11111211453815171314-233
Temp. °C292927292926292927282825272625272725272726
Feels °C (?)323030323028302929322929323030313029313130
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Batu Karas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Batu Karas at:
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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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