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Surf Forecasts:
Batu Karas surfForecast / Java – Central / Indonesia
48hr Weather and Surf, issued 12 pm Saturday 13 Dec 2025 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
29.3° C
(Which is slightly warmer than usual)How big are the waves at Batu Karas today?
The current surf forecast for Batu Karas at 5PM is: 1.3m 12s primary swell from a South-southwest direction and 0.9m 9s secondary swell from a South direction (forecast issued at 12:00pm December 13). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3.5ft (1.1m) | 13s |
| Afternoon (13 Dec) | 3.5ft (1.1m) | 12s |
| Evening (13 Dec) | 3.5ft (1.0m) | 12s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 9 | 9 | 9 | 9 | 9 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 414 | 341 | 397 | 749 | 299 | 599 | 522 | 299 | 247 | 243 | 243 | 239 | 231 | 223 | 179 | 215 | 190 | 126 | 128 | 159 | 235 | 282 | 282 | 277 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:42PM 1.29 | 2:38AM 0.98 | 3:45PM 1.32 | 4:23AM 0.90 | 4:42PM 1.36 | 5:56AM 0.91 | ||||||||||||||||||
Low Tide / height (m) | 9:24PM 0.69 | 8:39AM 0.59 | 10:56PM 0.62 | 9:38AM 0.65 | 12:04AM 0.51 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 |
| Sunset | - | - | 5:55 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - |
 | | |  |  | | |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 29 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 26 | 27 |
| Feels °C (?) | 29 | 29 | 28 | 28 | 29 | 27 | 28 | 29 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 28 | 29 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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