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Surf Forecasts:
Batu Karas surfForecast / Java – Central / Indonesia
48hr Weather and Surf, issued 12 am Sunday 28 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 3AM is: 1.4m 15s primary swell from a Southwest direction and 0.7m 11s secondary swell from a South direction, 0.8m 8s secondary swell from a West direction (forecast issued at 12:00am December 28). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | 4ft (1.2m) | 14s |
| Afternoon (28 Dec) | 3.5ft (1.1m) | 14s |
| Evening (28 Dec) | 3.5ft (1.0m) | 14s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 9 | 9 | 9 | 9 | 13 | 9 | 8 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1074 | 927 | 695 | 676 | 529 | 529 | 529 | 459 | 401 | 331 | 268 | 270 | 264 | 262 | 268 | 295 | 210 | 205 | 426 | 434 | 434 | 386 | 461 | 470 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | off | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | glass | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 12:21AM 1.25 | 1:26PM 1.39 | 1:17AM 1.10 | 2:19PM 1.43 | 2:36AM 0.95 | 3:22PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 6:44AM 0.38 | 7:49PM 0.62 | 7:22AM 0.46 | 9:17PM 0.57 | 8:12AM 0.54 | |||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:05 | - |
 | | |  |  | | |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 2 | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 26 | 27 | 29 | 30 | 29 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 28 | 28 | 28 | 27 |
| Feels °C (?) | 29 | 30 | 29 | 30 | 31 | 31 | 31 | 30 | 29 | 31 | 30 | 31 | 31 | 29 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 29 | 30 | 30 |
- 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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