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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Batu Karas surfForecast / Java – Central / Indonesia
48hr Weather and Surf, issued 12 pm Wednesday 31 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
29.6° C
(Which is slightly warmer than usual)How big are the waves at Batu Karas today?
The current surf forecast for Batu Karas at 9PM is: 1.5m 11s primary swell from a South direction and 0.9m 15s secondary swell from a South-southwest direction (forecast issued at 12:00pm December 31). An open ocean swell of 0.3m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 5ft (1.5m) | 10s |
| Afternoon (31 Dec) | 5ft (1.5m) | 11s |
| Evening (31 Dec) | 5ft (1.5m) | 11s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 11 | 11 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 20 | 19 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 450 | 468 | 585 | 524 | 524 | 534 | 710 | 627 | 390 | 348 | 287 | 238 | 263 | 353 | 365 | 307 | 294 | 408 | 524 | 244 | 320 | 298 | 367 | 427 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- off | glass | cross- on | on | cross- on | glass | off | cross- off | cross- off | cross- off | cross | cross- on | glass | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on |
High Tide / height (m) | 4:33PM 1.55 | 6:09AM 0.88 | 5:42PM 1.64 | 7:19AM 0.95 | 6:45PM 1.73 | |||||||||||||||||||
Low Tide / height (m) | 12:09AM 0.32 | 10:41AM 0.62 | 1:11AM 0.18 | 11:58AM 0.58 | 2:02AM 0.07 | |||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:33 |
| Sunset | - | - | 6:05 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - |
 |  |  |  |  |  | | | | | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | 2 | 17 | 9 | 2 | 3 | - | - | - | - | - | - | 1 | 2 | - | 1 | 2 | 2 | 1 | 3 | 4 | 1 | 1 |
| Temp. °C | 25 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 28 | 29 | 29 | 27 | 27 | 25 | 25 | 26 | 28 | 28 | 28 | 27 | 26 | 25 | 26 | 25 |
| Feels °C (?) | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 29 | 32 | 31 | 30 | 28 | 29 | 28 | 29 | 31 | 32 | 29 | 30 | 29 | 29 | 28 | 30 | 28 |
- 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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