Surf Forecasts:
Batu Karas surf forecast from 19 Jun 2026:
- Best quality surf: Monday 22 Jun, 1PM (local time) - 4.5ft (1.4m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 27 Jun, 7AM (local time) - 4.5ft (1.4m), 19s period, SSW swell with 1,513 kJ wave energy.
- Next surfable swell (1★+): Monday 22 Jun, 1PM (local time) - 4.5ft (1.4m), 14s period with SW swell.
Best Forecast Surf Conditions for Batu Karas this week:
The surf forecast for Batu Karas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 22) at 1PM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 1.5m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Batu Karas in the next 16 days are 1.4m 19s and forecast to arrive on Saturday (Jun 27) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Mon 22nd Jun) | 4.5ft (1.4m) 14s |
| Best Surf | 1PM (Mon 22nd Jun) | 4.5ft (1.4m) 14s |
| Most Powerful | 7AM (Sat 27th Jun) | 4.5ft (1.4m) 19s |
Table - best surf conditions forecast for Batu Karas over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Sun morning. Warm (max 27°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Thu morning. Warm (max 27°C on Tue morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 20 |
Wave Graph  | |||||||||||||||||||||
 kJ | 610 | 739 | 581 | 685 | 685 | 676 | 621 | 1115 | 883 | 784 | 631 | 568 | 584 | 437 | 367 | 352 | 261 | 229 | 264 | 263 | 738 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-off | cross-on | cross | cross-off | cross-on | cross | cross-off | cross-on | cross | cross | cross | cross-on | cross | cross | cross | cross | cross |
High Tide | 11:24AM1.57m | 00:24AM1.35m | 12:12PM1.39m | 1:14AM1.38m | 1:04PM1.21m | 2:05AM1.38m | 2:05PM1.05m | 3:00AM1.38m | 3:25PM0.93m | 3:57AM1.38m | 5:03PM0.87m | 4:55AM1.39m | 6:27PM0.88m | ||||||||
Low Tide | 5:15AM0.47m | 6:04PM0.19m | 6:15AM0.53m | 6:43PM0.30m | 7:23AM0.58m | 7:23PM0.41m | 8:40AM0.61m | 8:04PM0.52m | 10:03AM0.59m | 8:52PM0.60m | 11:22AM0.52m | 9:51PM0.66m | 12:25PM0.44m | 10:56PM0.69m | |||||||
 |  |  |  | | | | | | |  | | | | | | | | | |  | |
 | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | — | 4 | 4 | — | 3 | — | — | 4 | — | 1 | 4 | 2 | 3 | 9 | 6 | — | 2 | 2 | — | 3 |
Temp °C | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 30 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 29 | 29 | 31 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SE 8 | SE 8 | SW 16 | SE 8 | SE 8 | SW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SE 7 | SSW 14 | SSW 14 | SE 7 |
| kJ | 610 | 739 | 581 | 685 | 685 | 299 | 311 | 1115 | 286 | 322 | 631 | 568 | 584 | 437 | 367 | 352 | 261 | 193 | 264 | 257 | 179 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 9 | SW 14 | SW 14 | SE 8 | SW 16 | SW 15 | W 14 | W 9 | W 9 | W 8 | W 10 | W 12 | W 12 | SSW 13 | SW 18 | SSW 22 | SSW 20 |
| kJ | — | — | — | — | 6 | 676 | 621 | 279 | 883 | 784 | 4 | 1 | 2 | 1 | 2 | 3 | 3 | 229 | 79 | 263 | 738 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 8 | S 9 | SSW 18 | W 9 | W 9 | W 8 | W 14 | W 13 | W 13 | W 13 | W 13 | W 9 | S 26 | SSW 9 | SSW 23 | SW 17 | SW 13 |
| kJ | — | — | — | — | 1 | 6 | 211 | 2 | 2 | 1 | 4 | 4 | 3 | 3 | 3 | 2 | 13 | 8 | 106 | 135 | 175 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | — | — | — | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | SE 7 | SE 7 | SE 7 | — | SE 7 | SE 7 | — |
| kJ | 519 | 448 | 403 | 393 | 349 | — | — | — | — | 428 | 346 | 408 | 414 | 306 | 216 | 216 | 217 | — | 216 | 178 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 230 | 233 | 8 | 18 | 233 | 6 | 18 | 0 | 18 | 18 | 243 | 8 | 18 | 230 | 230 | 230 | 233 | 230 | 233 | 519 | 230 |
Best forecast wave conditions in Central Java | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Batu Karas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Batu Karas Surf forecast
The above surf forecast table for Batu Karas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Batu Karas can be found by selecting the local surf guide option on the grey menu. Our Batu Karas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Batu Karas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Batu Karas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Batu Karas is 43 km (27 miles) from the city of Sidareja. If you plan a holiday in Central Java, look for hotels and other accommodation in Sidareja. Sidareja has rooms for a wide range of budgets as well as car hire and transport links.
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