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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 Monday 20 Apr 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
29.3° 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 9PM is: 1.2m 15s primary swell from a South-southwest direction and 0.8m 7s secondary swell from a South-southeast direction (forecast issued at 06:00pm April 20). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | - | - |
| Afternoon (20 Apr) | 3ft (0.9m) | 15s |
| Evening (20 Apr) | 4ft (1.2m) | 15s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 449 | 522 | 576 | 845 | 822 | 799 | 754 | 733 | 711 | 663 | 892 | 892 | 892 | 892 | 2798 | 2987 | 2428 | 2310 | 2281 | 2513 | 2368 | 2510 | 2347 | 2284 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross- on | on | glass | cross- off | cross | cross | cross | cross- on | glass | cross- on | glass | glass | off | off | cross- off | cross | cross- on | cross- on | cross- on | glass | off |
High Tide / height (m) | 10:13PM 1.27 | 10:05AM 1.90 | 10:53PM 1.18 | 10:46AM 1.80 | 11:38PM 1.09 | 11:32AM 1.64 | ||||||||||||||||||
Low Tide / height (m) | 4:12PM -0.07 | 3:38AM 0.30 | 4:55PM 0.00 | 4:14AM 0.35 | 5:41PM 0.12 | 4:53AM 0.45 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - |
| Sunset | 5:42 | - | - | - | - | - | - | - | 5:40 | - | - | - | - | - | - | - | 5:40 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | | | | | | |  | | |  | |  | | | | | |
Rain (mm) | - | - | - | 1 | - | 1 | 1 | 1 | - | - | 2 | 1 | - | 1 | - | 1 | 2 | 6 | 20 | 17 | - | - | - | - |
| Temp. °C | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 24 | 23 | 24 | 25 | 29 | 28 |
| Feels °C (?) | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 32 | 33 | 31 | 31 | 26 | 27 | 27 | 29 | 33 | 29 |
- 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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