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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 18 May 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
28.1° C
(Which is slightly cooler than normal)How big are the waves at Batu Karas today?
The current surf forecast for Batu Karas at 12AM is: 1.6m 13s primary swell from a South-southwest direction and 1.3m 8s secondary swell from a South direction, 0.5m 6s secondary swell from a East direction (forecast issued at 06:00pm May 18). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 6ft (1.9m) | 14s |
| Evening (19 May) | 6.5ft (2.0m) | 13s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Tue afternoon. Warm (max 28°C on Tue morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | |
1387 | 1419 | 1380 | 724 | 599 | 613 | 822 | 846 | 734 | 819 | 819 | 723 | 625 | 596 | 511 | 498 | 643 | 719 | 619 | 565 | 550 | 696 | 696 | 1074 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | on | on | glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | on | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | |
High Tide | 9:24PM1.21m | 9:08AM1.93m | 10:08PM1.19m | 9:53AM1.87m | 10:54PM1.17m | 10:40AM1.76m | ||||||||||||||||||
Low Tide | 3:20PM-0.09m | 2:39AM0.36m | 4:04PM-0.07m | 3:23AM0.37m | 4:50PM0.00m | 4:10AM0.42m | ||||||||||||||||||
 |  | | | | |  |  | |  | | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | 5:34 |
— | — | — | — | — | — | — | 1 | 5 | 4 | 2 | — | — | — | — | — | 3 | 2 | 1 | — | — | — | — | — | |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 28 | 27 | 28 | 27 | 27 | 26 | 25 | 25 | 28 | 27 | 28 | 27 | 27 | 26 | 25 | 26 | 28 | 28 |
28 | 30 | 29 | 29 | 29 | 29 | 32 | 30 | 32 | 32 | 32 | 31 | 29 | 29 | 31 | 29 | 33 | 32 | 33 | 31 | 29 | 31 | 32 | 31 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 15 | SW 15 | SW 15 | SW 15 |
 kJ | 1387 | 1419 | 1380 | 724 | 599 | 613 | 822 | 846 | 734 | 819 | 819 | 723 | 625 | 537 | 483 | 410 | 410 | 401 | 394 | 332 | 550 | 696 | 696 | 1074 |
Swell 2 Height (m) Direction Period (s) | SW 20 | SW 20 | SW 19 | S 8 | S 8 | SSE 8 | SW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | S 11 | S 12 | S 12 | SE 8 |
| kJ | 98 | 186 | 184 | 239 | 195 | 163 | 375 | 304 | 307 | 307 | 257 | 366 | 511 | 596 | 511 | 498 | 643 | 719 | 619 | 565 | 338 | 274 | 284 | 28 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | SW 19 | SW 18 | SW 18 | W 9 | W 9 | W 9 | W 9 | SSW 19 | SW 19 | SSE 10 | E 5 | ESE 5 | S 14 | W 8 | S 13 | S 13 | S 13 | SE 9 | SE 8 | SE 8 | SE 4 |
| kJ | 13 | 13 | 13 | 133 | 119 | 307 | 6 | 6 | 6 | 6 | 145 | 91 | 10 | 12 | 13 | 16 | 5 | 14 | 14 | 14 | 19 | 18 | 31 | 5 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | — | ESE 6 | ESE 6 | ESE 6 | E 6 | — | ESE 5 | ESE 5 | — | E 5 | ESE 5 | ESE 5 | — | — | — | — | — | — | — |
| kJ | 22 | 19 | 20 | 18 | 18 | — | 17 | 18 | 12 | 16 | — | 17 | 13 | — | 16 | 14 | 14 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 519 | 18 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 387 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Central Java | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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