Batu Karas Surf Forecast

/ Java – Central (5 surf breaks) /

Indonesia (168 surf breaks) / Lat Long: (7.75° S 108.50° E)

Surf Forecasts:

Batu Karas surfForecast / Java – Central / Indonesia

48hr Weather and Surf, issued 12 am Friday 19 Sep 2025 WIB

Forecast 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 27.5° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Batu Karas today?

The current surf forecast for Batu Karas at 2AM is: 1.1m 12s primary swell from a South-southwest direction and 0.7m 15s secondary swell from a Southwest direction, 1.7m 6s secondary swell from a South-southeast direction (forecast issued at 12:00am September 19). The wind direction is predicted to be cross-shore.

Time (WIB) & Date	Wave Height	Wave Period
Morning (19 Sep)	2.5ft (0.8m)	16s
Afternoon (19 Sep)	2.5ft (0.8m)	17s
Evening (19 Sep)	4.5ft (1.4m)	15s

Table - waves today at Batu Karas. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Friday 19								Saturday 20								Sunday 21
	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	4 PM	7 PM
Rating (10 max)	0	0	0	0	1	2	3	3	3	2	2	2	3	2	3	3	1	3	3	2	3	3	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	SSW	SE	SSW	SSW	SSW	SSW	SSW	SSW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Period(s) (?)	13	12	15	7	12	16	17	14	16	16	16	17	17	16	16	15	15	15	15	16	16	15	15	15
Wave Graph (?)
kJ (?)	555	406	304	287	314	347	368	508	1067	798	776	1146	2096	2187	2271	1578	1557	1578	2348	2379	2186	2088	1907	1809
Wind (km/h)	ESE	ESE	ESE	ESE	E	SE	SE	SE	SE	ESE	E	E	ESE	ESE	ESE	ESE	E	E	ENE	E	ESE	ESE	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross	cross	cross- on	cross	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross
High Tide / height (m)	7:01PM 1.03			6:21AM 1.35					7:29PM 1.19				7:13AM 1.42				7:54PM 1.35				7:52AM 1.48
Low Tide / height (m)		12:04AM 0.70					1:11PM 0.35				1:05AM 0.56				1:42PM 0.29				1:47AM 0.42				2:08PM 0.26

		Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	5:37	-	-	-	-	-	-	-	5:37	-	-	-	-	-	-	-	5:35	-	-	-	-
Sunset	-	-	-	-	-	-	5:42	-	-	-	-	-	-	-	5:42	-	-	-	-	-	-	-	5:42	-

Rain (mm)	1	1	2	3	3	3	2	4	6	13	12	5	4	4	1	3	2	-	-	-	1	2	-	2
Temp. °C	25	25	25	25	26	26	25	25	25	24	25	25	25	26	26	25	25	25	25	26	27	27	27	26
Feels °C (?)	25	25	26	27	29	28	27	27	28	27	28	29	28	28	29	28	28	28	28	29	30	30	30	29

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Java - Central

Wind Update Continuing clean conditions at Batu Karas (light winds from the ESE at Cilacap 57 km from Batu Karas). 1.8m 7s swell from the SSE with a 1.2m 12s groundswell from the SSW and a 0.6m 16s long period groundswell, also from the SSW as well as a 0.6m 15s groundswell, also from the SW. 4 swells combining to make bigger set waves.
1 hour 21 minutes ago Batu Karas

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