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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 Sunday 17 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 2AM is: 2.1m 15s primary swell from a South-southwest direction and 0.6m 6s secondary swell from a Southeast direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6.5ft (2.0m) | 14s |
| Afternoon (18 May) | 6.5ft (2.0m) | 14s |
| Evening (18 May) | 5ft (1.6m) | 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 11mm), heaviest on Sun night. Warm (max 28°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | |
1519 | 1330 | 1635 | 1825 | 1526 | 1505 | 1526 | 1505 | 1387 | 836 | 724 | 724 | 713 | 613 | 917 | 759 | 819 | 734 | 726 | 714 | 628 | 596 | 511 | 504 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross | cross-on | on | glassy | glassy | cross | cross-off | cross-off | cross-off | glassy | glassy | on | glassy | glassy | cross-off | |
High Tide | 8:42PM1.22m | 8:24AM1.92m | 9:24PM1.21m | 9:08AM1.93m | 10:08PM1.19m | 9:53AM1.87m | ||||||||||||||||||
Low Tide | 2:36PM-0.05m | 1:57AM0.38m | 3:20PM-0.09m | 2:39AM0.36m | 4:04PM-0.07m | 3:23AM0.37m | ||||||||||||||||||
 |  | |  |  |  | | | | | | | | | | |  | | | | | | | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | 5:34 |
— | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | — | — | — | — | 1 | |
Temp °C | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 28 | 27 |
31 | 31 | 30 | 31 | 29 | 30 | 31 | 31 | 29 | 31 | 30 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 29 | 29 | 32 | 30 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 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 |
 kJ | 1519 | 1330 | 1635 | 1825 | 1526 | 1505 | 1526 | 1505 | 1387 | 836 | 724 | 724 | 713 | 613 | 917 | 759 | 819 | 734 | 726 | 714 | 628 | 596 | 476 | 467 |
Swell 2 Height (m) Direction Period (s) | SE 6 | S 18 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | SE 6 | SE 6 | S 9 | S 9 | S 8 | S 8 | S 8 | SW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 45 | 301 | 34 | 27 | 27 | 22 | 22 | 16 | 16 | 257 | 284 | 273 | 185 | 186 | 375 | 304 | 307 | 307 | 260 | 366 | 511 | 596 | 511 | 504 |
Swell 3 Height (m) Direction Period (s) | W 10 | SE 6 | W 9 | W 9 | W 9 | SW 21 | W 9 | W 9 | SW 20 | SW 20 | SW 19 | SW 19 | ESE 6 | SW 18 | W 9 | W 9 | W 9 | W 9 | SW 20 | SW 19 | SSE 10 | W 9 | S 14 | S 14 |
| kJ | 8 | 35 | 15 | 15 | 15 | 72 | 14 | 13 | 98 | 186 | 184 | 133 | 13 | 307 | 6 | 6 | 6 | 6 | 97 | 91 | 20 | 6 | 15 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | SE 6 | — | — | — | — | — | — | ESE 6 | — | — | — | E 6 | — | ESE 6 | ESE 6 | ESE 5 | — | — | — | — | — | — |
| kJ | — | — | 35 | — | — | — | — | — | — | 13 | — | — | — | 19 | — | 12 | 18 | 11 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 230 | 6 | 6 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 |
Best forecast wave conditions in Central Java | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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