Surf forecast · Indonesia · Java
Surf forecast Batu Karas today
Waves, swell and wind at Batu Karas (Java, Indonesia) today and for the next 3 days, every 3 hours of daylight, with a plain verdict per day — flat, small, fun, good or big, offshore or onshore — and the best window to paddle out.
These numbers are more than 7 hours old, so they are hidden. Open the live waves map for the current sea. Open the waves map centred on Batu Karas
Right now
Big light wind.
Batu Karas surf forecast, next 3 days
- Flat
- Small
- Fun
- Good
- Big
Sunday 25 October
Good Best window 05:00–08:00: good, light wind.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 06:00 | 2.4 m · 13 s ↑SSW | 2.4 m · 11 s ↑SSW | 2–2 km/h ↑NE light wind |
| 09:00 | 2.4 m · 13 s ↑SSW | 2.2 m · 11 s ↑SSW | 8–19 km/h ↑E light wind |
| 12:00 | 2.3 m · 12 s ↑SSW | 2.2 m · 10 s ↑SSW | 10–28 km/h ↑SE cross-shore |
| 15:00 | 2.3 m · 12 s ↑SSW | 2.3 m · 10 s ↑SSW | 10–27 km/h ↑SSE onshore |
Monday 26 October
Good Best window 05:00–08:00: good, light wind.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 06:00 | 2.2 m · 11 s ↑S | 2.2 m · 9 s ↑S | 4–8 km/h ↑ENE light wind |
| 09:00 | 2.1 m · 11 s ↑S | 2.1 m · 9 s ↑S | 9–24 km/h ↑ESE cross-shore |
| 12:00 | 2.1 m · 11 s ↑S | 2.1 m · 9 s ↑S | 11–30 km/h ↑SE onshore |
| 15:00 | 2.1 m · 11 s ↑S | 2.1 m · 9 s ↑S | 14–34 km/h ↑SSE onshore |
Tuesday 27 October
Good Best window 05:00–08:00: good, light wind.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 06:00 | 1.9 m · 10 s ↑S | 1.7 m · 8 s ↑S | 4–7 km/h ↑ENE light wind |
| 09:00 | 1.8 m · 10 s ↑S | 1.7 m · 8 s ↑S | 7–19 km/h ↑E light wind |
| 12:00 | 1.8 m · 10 s ↑S | 1.6 m · 9 s ↑S | 13–32 km/h ↑SE onshore |
| 15:00 | 1.8 m · 10 s ↑S | 1.7 m · 9 s ↑S | 11–32 km/h ↑SE onshore |
Wednesday 28 October
Good Best window 05:00–08:00: good, onshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 06:00 | 1.8 m · 10 s ↑S | 1.8 m · 8 s ↑S | 9–14 km/h ↑SSE onshore |
| 09:00 | 1.7 m · 10 s ↑S | 1.6 m · 8 s ↑S | 11–27 km/h ↑SSE onshore |
| 12:00 | 1.7 m · 10 s ↑S | 1.6 m · 8 s ↑S | 16–36 km/h ↑SSE onshore |
| 15:00 | 1.6 m · 9 s ↑S | 1.6 m · 8 s ↑S | 15–41 km/h ↑SSE onshore |
Every 3 hours of daylight, local time. Waves = significant height of the whole sea, with the peak period; swell = the long-period part. Arrows point where the waves and the wind are going.
Forecast for Sun 02:00 local time · updated 2026-10-24 19:11 UTC
Waves map around Batu Karas
Open the waves map centred on Batu Karas
Live significant wave height from NOAA WaveWatch III, averaged over 2° cells: coarser than the forecast above, so near the coast it can differ from it.
More about Batu Karas
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Questions
- Is there surf at Batu Karas today?
- Big: waves 2.5 m at 13 s from SSW, swell 2.5 m · 11 s SSW (Sun 02:00).
- Is the wind offshore at Batu Karas?
- Wind 0 km/h from NW: light wind for a beach facing S.
- When is the best time to surf Batu Karas today?
- 05:00–08:00 (good, light wind)
- How warm is the water at Batu Karas?
- 25.8 °C
- Where do the numbers come from?
- The Open-Meteo Marine API (wave models of Météo-France, ECMWF and NOAA) for a point just off the beach, and the Open-Meteo forecast for the wind. A model at sea, not a surf report: sandbanks, reefs and tide shape the waves you actually get.
Nearby surf spots
Cimaja 240 km · Pacitan 291 km · Krui 581 km · G-Land (Plengkung) 654 km · Medewi 697 km · Uluwatu 732 km
How it is computed
Hourly Open-Meteo Marine forecast (wave height, peak period and direction, swell) at a point just off Batu Karas, and the Open-Meteo wind at 10 m. Size: flat under 0.3 m, small under 0.8 m, fun under 1.5 m, good under 2.5 m (with a period of 8 s or more), big above. Wind: under 8 km/h light; otherwise offshore, cross-shore or onshore from its angle to the direction the beach faces. The best window is the 3 daylight hours with the best mix of size, period and wind. Rebuilt every 3 hours. Live map.