Surf Forecasts:
Batu Karas surf forecast from 10 Nov 2026:
- Best quality surf: Tuesday 10 Nov, 4PM (local time) - 5ft (1.6m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 15 Nov, 1AM (local time) - 6ft (1.9m), 16s period, SSW swell with 1,774 kJ wave energy.
- Next surfable swell (1★+): Tuesday 10 Nov, 4PM (local time) - 5ft (1.6m), 15s period with SSW 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 Tuesday (Nov 10) at 4PM. The primary swell is predicted to be 1.6m and 15s period with a secondary swell of 0.9m 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 1.9m 16s and forecast to arrive on Sunday (Nov 15) at 1AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Tuesday (Nov 17) at 4PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Tue 10th Nov) | 5ft (1.6m) 15s |
| Best Surf | 4PM (Tue 10th Nov) | 5ft (1.6m) 15s |
| Most Powerful | 1AM (Sun 15th Nov) | 6ft (1.9m) 16s |
Table - best surf conditions forecast for Batu Karas over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 27°C on Tue morning, min 24°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Warm (max 28°C on Sun morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||||
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) | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 18 | SSW 18 | SSW 16 | SSW 15 | SSW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 291 | 1021 | 493 | 458 | 458 | 530 | 653 | 1019 | 536 | 402 | 365 | 501 | 440 | 582 | 1774 | 975 | 1117 | 834 | 811 | 607 | 690 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | glassy | cross | cross-off | glassy | cross-off | cross-off | glassy | cross-off | cross-off | glassy | cross-off | cross-off | cross |
High Tide | 8:23PM1.71m | 9:14AM1.22m | 8:53PM1.70m | 9:45AM1.19m | 9:24PM1.66m | 10:16AM1.14m | 9:55PM1.60m | 10:49AM1.10m | 10:26PM1.52m | 11:26AM1.06m | 10:58PM1.43m | 12:10PM1.03m | 11:33PM1.32m | ||||||||
Low Tide | 2:06PM0.43m | 3:09AM0.05m | 2:35PM0.42m | 3:40AM0.06m | 3:03PM0.44m | 4:12AM0.11m | 3:32PM0.47m | 4:44AM0.18m | 4:01PM0.53m | 5:19AM0.27m | 4:32PM0.60m | 5:56AM0.36m | 5:08PM0.70m | ||||||||
 | |  | | |  | |  |  | | | | | | | | | | | | | |
 | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — |
 | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:44 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | 2 | — | — | — |
Temp °C | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 28 | 27 | 26 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 29 | 30 | 29 | 30 | 30 | 30 | 29 | 31 | 31 | 30 | 31 | 31 | 30 | 32 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 15 | SSW 14 | SSW 13 | S 9 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 13 | SSE 7 | SSW 16 | SSW 15 | SSW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 |
| kJ | 142 | 1021 | 493 | 458 | 205 | 530 | 653 | 1019 | 536 | 402 | 365 | 501 | 440 | 99 | 1774 | 975 | 1117 | 834 | 811 | 607 | 690 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | S 8 | S 10 | S 9 | SSW 13 | S 9 | S 9 | — | S 9 | S 8 | SSE 8 | S 7 | SSE 7 | SSW 18 | S 7 | S 11 | SSE 6 | SSE 6 | S 7 | S 6 | S 6 |
| kJ | 291 | 105 | 220 | 210 | 458 | 194 | 157 | — | 119 | 113 | 147 | 112 | 114 | 582 | 94 | 287 | 70 | 58 | 31 | 27 | 25 |
Swell 3 Height (m) Direction Period (s) | SW 12 | — | SW 10 | SSW 16 | SSW 16 | SSW 12 | — | — | — | S 22 | S 22 | S 10 | SSW 18 | SSW 13 | — | SE 6 | — | SSW 18 | ESE 6 | SSW 16 | ESE 5 |
| kJ | 137 | — | 24 | 206 | 269 | 184 | — | — | — | 9 | 9 | 30 | 368 | 351 | — | 18 | — | 104 | 22 | 149 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 21 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 230 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
Best forecast wave conditions in Central Java | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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