Surf Forecasts:
How big are the waves at Batu Karas today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 4.5ft (1.4m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 5.5ft (1.7m), 13s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 5ft (1.6m), 12s period with SSW swell.
The current surf forecast for Batu Karas at 2AM is: 1.6m 13s primary swell from a Southwest direction and 0.8m 6s secondary swell from a South-southeast direction (forecast issued at 06:00pm October 20). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 4.5ft (1.4m) | 13s |
| Afternoon (21 Oct) | 5.5ft (1.7m) | 13s |
| Evening (21 Oct) | 5ft (1.6m) | 12s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 27°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 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) | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 20 | SSW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 17 | SSW 19 |
Wave Graph  | |||||||||||||||||||
 kJ | 1143 | 1005 | 975 | 854 | 784 | 700 | 689 | 668 | 875 | 723 | 715 | 794 | 1038 | 1425 | 3158 | 3016 | 1938 | 4047 | 4685 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-on | cross |
High Tide | 5:47PM0.89m | 2:32AM1.08m | 5:54PM1.03m | 4:51AM1.09m | 6:12PM1.17m | ||||||||||||||
Low Tide | 6:37PM0.89m | 10:41AM0.60m | 11:10PM0.83m | 11:34AM0.56m | |||||||||||||||
 |  |  | |  |  | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | 5:38 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 27 |
Feels °C | 29 | 30 | 30 | 29 | 30 | 31 | 29 | 28 | 28 | 30 | 30 | 30 | 29 | 28 | 28 | 29 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 17 | SSW 19 |
| kJ | 1143 | 1005 | 975 | 854 | 784 | 700 | 689 | 668 | 875 | 513 | 715 | 579 | 717 | 1425 | 3158 | 3016 | 1938 | 4047 | 4685 |
Swell 2 Height (m) Direction Period (s) | S 26 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | S 12 | — | — | SSW 18 | SSW 20 | SSE 7 |
| kJ | 13 | 56 | 53 | 41 | 41 | 359 | 359 | 256 | 437 | 723 | 539 | 753 | 1038 | 555 | — | — | 1423 | 1946 | 125 |
Swell 3 Height (m) Direction Period (s) | — | SW 24 | SSW 24 | SSW 24 | SSW 23 | — | — | — | — | — | SSW 19 | SSW 18 | SSW 22 | — | — | — | — | — | — |
| kJ | — | 22 | 108 | 108 | 102 | — | — | — | — | — | 539 | 794 | 154 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | — | — | — | — | SSE 6 | SSE 6 | SSE 6 | — | SSE 6 | SSE 7 | — | — | — | — | — | — | SSE 7 | — |
| kJ | 56 | — | — | — | — | 38 | 50 | 64 | — | 70 | 108 | — | — | — | — | — | — | 147 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 655 | 230 | 18 | 6 | 0 | 0 | 233 | 770 | 519 | 230 | 230 | 230 | 8 | 8 | 519 | 734 | 0 | 18 | 230 |
Best forecast wave conditions in Central Java | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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