Surf Forecasts:
How big are the waves at Batu Karas today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 8ft (2.4m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 8ft (2.5m), 17s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 8ft (2.5m), 16s period with SSW swell.
The current surf forecast for Batu Karas at 1AM is: 2.2m 16s primary swell from a South-southwest direction and 0.8m 20s secondary swell from a South-southwest direction, 1.0m 6s secondary swell from a East-southeast direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 8ft (2.4m) | 17s |
| Afternoon (21 Aug) | 8ft (2.5m) | 17s |
| Evening (21 Aug) | 8ft (2.5m) | 16s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu night. Warm (max 27°C on Fri morning, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 3158 | 2785 | 2715 | 2379 | 1597 | 2654 | 3728 | 3859 | 3506 | 3378 | 3336 | 3113 | 2751 | 2682 | 2241 | 2007 | 1953 | 1626 | 1716 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross |
High Tide | 00:43AM1.42m | 12:53PM0.86m | 1:25AM1.31m | 1:53PM0.73m | |||||||||||||||
Low Tide | 5:51PM0.47m | 7:43AM0.55m | 6:05PM0.57m | 9:18AM0.63m | 6:01PM0.66m | ||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 26 | 25 | 24 | 25 | 25 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 28 | 27 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 28 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 3158 | 2785 | 2715 | 2379 | 1597 | 2654 | 3728 | 3859 | 3506 | 3378 | 3336 | 3113 | 2751 | 2682 | 2241 | 2007 | 1953 | 1626 | 1716 |
Swell 2 Height (m) Direction Period (s) | — | SSW 20 | — | SSW 20 | SSW 18 | SW 14 | — | — | — | — | — | — | — | — | SSW 20 | SW 24 | SSW 24 | SSW 17 | S 21 |
| kJ | — | 140 | — | 512 | 1317 | 763 | — | — | — | — | — | — | — | — | 75 | 22 | 55 | 311 | 233 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 18 | — | — | — | — | — | — | — | — | S 26 | — | — | SSW 23 | W 16 |
| kJ | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | 13 | — | — | 107 | 5 |
Wind waves Height (m) Direction Period (s) | ESE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 69 | 80 | 83 | 85 | 118 | 136 | 181 | 150 | 168 | 173 | 173 | 159 | 159 | 154 | 154 | 154 | 159 | 159 | 159 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 519 | 233 | 18 | 230 | 18 | 230 | 236 | 387 | 734 | 230 | 230 | 230 | 18 | 18 | 519 | 519 | 519 | 230 | 230 |
Best forecast wave conditions in Central Java | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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