Batu Karas Surf Break

Lat Long: 7.75° S 108.50° E

Batu Karas 48 hour detailed Surf Forecast

Issued: 12 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Batu Karas sea temperature is
26.8° C
0.3° 

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


How big are the waves at Batu Karas today (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 5.5ft (1.7m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.6m), 14s period with SSW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.3m), 14s period with SSW swell.

The current surf forecast for Batu Karas at 8PM is: 1.4m 14s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South-southwest direction, 1.6m 7s secondary swell from a Southeast direction (forecast issued at 12:00pm July 21). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (21 Jul)5.5ft (1.7m)14s
Afternoon (21 Jul)5ft (1.6m)14s
Evening (21 Jul)4.5ft (1.3m)14s

Table - waves today at Batu Karas. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 15mm), heaviest on Wed night. Warm (max 26°C on Tue morning, min 23°C on Thu night). Wind will be generally light.

Tue
21
Wednesday
22
Thursday
23
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
1
1
1
0
1
0
0
1
1
1
0
0
1
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SSW
14
1.6
SSW
14
1.6
SSW
14
1.5
SSW
14
1.3
SSW
13
1.3
SSW
13
1.2
SSW
13
1.1
SSW
13
1.1
SSW
13
1.1
SSW
13
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
1.9
SE
8
1.3
SSW
14
1.7
SE
7
1.7
SE
7
1.8
SE
7
1.9
SE
7
1.9
SE
8
1.8
SE
8
Wave Graph
Metric surfscale
Energy kJ
1159
969
955
802
634
536
491
414
408
373
270
311
318
403
633
318
318
349
405
382
358
Wind (km/h)
20
E
25
ESE
20
ESE
20
ESE
15
ESE
15
ESE
15
ESE
20
ESE
20
ESE
20
SE
20
SE
20
ESE
20
ESE
20
ESE
20
ESE
20
ESE
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
12:27PM1.19m
1:06AM1.48m
1:09PM1.02m
1:48AM1.42m
2:02PM0.87m
Low Tide
6:25PM0.38m
7:45AM0.53m
6:52PM0.49m
8:55AM0.58m
7:19PM0.59m
rain showers
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:44
 mm
1
1
1
1
1
1
2
1
1
1
1
1
Temp °C
25
26
26
25
25
24
24
24
25
25
25
24
24
24
24
24
25
25
25
24
24
Feels °C
25
25
25
25
25
24
25
23
25
25
25
23
24
24
24
23
24
24
24
23
23
  • 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
How to use the Wavefinder 

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