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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 am Sunday 31 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
29.8° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Batu Karas today (31 May):
- Morning surf: Morning surf (31 May, local time) - 4.5ft (1.4m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with SSW swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.3m), 12s period with SSW swell.
The current surf forecast for Batu Karas at 1PM is: 1.3m 12s primary swell from a South-southwest direction and 0.4m 17s secondary swell from a Southwest direction (forecast issued at 06:00am May 31). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4.5ft (1.4m) | 12s |
| Afternoon (31 May) | 4.5ft (1.3m) | 12s |
| Evening (31 May) | 4.5ft (1.3m) | 12s |
Table - waves today at Batu Karas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun morning. Warm (max 27°C on Sun morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 15 | SSW 11 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | SSW 14 | |
617 | 563 | 488 | 480 | 472 | 429 | 421 | 359 | 324 | 261 | 251 | 348 | 358 | 437 | 431 | 638 | 763 | 763 | 745 | 799 | 995 | 813 | 1851 | 1470 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | glassy | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | cross | cross | cross | cross | cross-on | cross-on | |
High Tide | 7:41AM1.59m | 8:45PM1.10m | 8:15AM1.61m | 9:18PM1.11m | 8:49AM1.62m | 9:51PM1.11m | ||||||||||||||||||
Low Tide | 1:18AM0.55m | 2:38PM0.15m | 1:53AM0.53m | 3:11PM0.12m | 2:26AM0.51m | 3:44PM0.13m | ||||||||||||||||||
 |  |  |  | | | | | | | | |  |  | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | 5:34 |
— | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 23 | 24 | 27 | 27 | 27 | 26 | 26 | 25 |
28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 28 | 25 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | SSW 14 |
 kJ | 617 | 563 | 488 | 480 | 472 | 429 | 421 | 359 | 324 | 261 | 251 | 247 | 183 | 437 | 431 | 638 | 763 | 763 | 745 | 799 | 995 | 813 | 1851 | 1470 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 11 | SSW 11 | SW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | S 18 | S 17 |
| kJ | 31 | 61 | 61 | 70 | 103 | 229 | 229 | 326 | 209 | 252 | 196 | 348 | 358 | 180 | 143 | 113 | 73 | 130 | 180 | 438 | 419 | 653 | 384 | 580 |
Swell 3 Height (m) Direction Period (s) | W 14 | W 14 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 13 | SW 13 | SSW 20 | W 9 | W 9 | W 9 | SSW 21 | SSW 21 | S 18 | S 15 | S 15 |
| kJ | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 93 | 91 | 174 | 75 | 206 | 62 | 62 | 75 | 2 | 2 | 2 | 45 | 45 | 162 | 104 | 159 |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 4 | SE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 6 |
| kJ | 18 | 18 | 18 | 16 | 10 | 18 | 27 | 36 | 39 | 41 | 49 | 51 | 46 | 47 | 39 | 47 | 47 | 49 | 57 | 68 | 59 | 61 | 61 | 68 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 0 | 0 | 0 | 519 | 18 | 8 | 8 | 18 | 6 | 18 | 265 | 519 | 230 | 18 | 8 | 6 | 6 | 18 | 230 | 519 | 230 | 18 | 6 |
Best forecast wave conditions in Central Java | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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