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Batu Karas Surf Forecast
/ Java – Central (5 surf breaks) /
Surf Forecasts:
Batu Karas surfForecast / Java – Central / Indonesia
48hr Weather and Surf, issued 6 pm Thursday 21 May 2026 WIBForecast 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
28.6° C
(Which is normal for this time of year)How big are the waves at Batu Karas today?
The current surf forecast for Batu Karas at 1AM is: 1.4m 16s primary swell from a Southwest direction and 0.7m 8s secondary swell from a Southeast direction (forecast issued at 06:00pm May 21). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 5ft (1.5m) | 15s |
| Afternoon (22 May) | 5ft (1.6m) | 15s |
| Evening (22 May) | 5ft (1.6m) | 15s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Thu afternoon. Warm (max 28°C on Thu afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | |
1006 | 980 | 1087 | 967 | 1046 | 966 | 940 | 940 | 1020 | 1045 | 1020 | 953 | 833 | 701 | 681 | 691 | 644 | 564 | 478 | 458 | 342 | 336 | 336 | 299 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | glassy | cross-on | glassy | glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross | cross-off | |
High Tide | 11:44PM1.15m | 11:29AM1.60m | 00:42AM1.15m | 12:24PM1.42m | 1:49AM1.17m | |||||||||||||||||||
Low Tide | 5:37PM0.11m | 5:03AM0.50m | 6:27PM0.23m | 6:08AM0.61m | 7:21PM0.35m | 7:34AM0.69m | ||||||||||||||||||
 |  | |  | |  | | | | | |  | |  | | | | | | | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | 5:34 |
3 | 2 | 3 | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — | 1 | 1 | — | — | 3 | 3 | — | — | — | — | |
Temp °C | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 25 | 26 | 28 | 28 |
32 | 32 | 33 | 31 | 31 | 31 | 33 | 31 | 32 | 32 | 31 | 31 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 |
 kJ | 1006 | 980 | 1087 | 967 | 1046 | 966 | 940 | 940 | 1020 | 1045 | 1020 | 953 | 833 | 701 | 681 | 691 | 644 | 564 | 478 | 458 | 342 | 336 | 336 | 299 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | S 11 | S 11 | S 11 | S 11 | S 8 | ESE 7 | ESE 7 | ESE 7 | S 8 | S 8 |
| kJ | 27 | 34 | 74 | 69 | 51 | 40 | 35 | 60 | 60 | 60 | 65 | 67 | 65 | 80 | 9 | 9 | 2 | 9 | 29 | 70 | 48 | 47 | 55 | 55 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | W 8 | S 10 | ESE 9 | ESE 9 | ESE 9 | S 12 | S 10 | S 12 | S 8 | S 8 | S 11 | S 11 | S 11 | W 16 | W 16 | W 13 | S 10 | S 7 | S 8 | S 8 | W 7 | W 7 |
| kJ | 20 | 28 | 1 | 71 | 17 | 32 | 31 | 12 | 17 | 11 | 21 | 21 | 21 | 9 | 9 | 5 | 5 | 3 | 2 | 28 | 42 | 55 | 17 | 23 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 5 | SE 4 | SE 4 | SE 4 | — | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | — | — | — | ESE 7 | ESE 5 |
| kJ | — | — | — | — | — | — | — | — | — | 10 | 9 | 9 | 9 | — | 78 | 76 | 74 | 74 | 72 | — | — | — | 47 | 17 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 265 | 0 |
Best forecast wave conditions in Central Java | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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