Surf spot

Middle river wedge

Forecast conditions and map view for Middle river wedge in Australia, SA, Kangeroo Island. Open the interactive surf map to inspect wind, waves, and nearby spots.

Country: Australia, SA, Kangeroo Island
Coordinates: -35.6666, 137.0723

Metric
Metric	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00
Wave height (m)	1	1	1.1	1.1	1	1	1	0.9	0.9	0.9	0.8	0.8	0.8	0.8	0.9	1	1	1.1	1.4	1.6	1.5	1.4	1.5	1.5	1.5	1.8	1.9	2	2.1	2.1	2	1.9	1.9	1.8	1.8	1.8	1.7	1.6	1.5	1.4	1.3	1.2	1.1	1	1	0.9	0.8	0.8	0.7	0.6	0.6	0.6	0.7	0.6	0.6	0.6
Wave direction	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Wave period (s)	11.6	11.5	12.6	12.5	12.4	12.4	12.3	12.3	12.3	12.3	12.2	11.8	11.8	11.3	9.7	5.8	6.2	7.2	9.1	8.4	8.8	8.8	8.1	7.6	7.9	9.6	10.1	10.6	10.8	10.9	11	11.1	11.2	11.3	11.4	11.4	11.4	11.3	11.3	11.2	11.1	10.9	10.8	10.7	10.6	10.5	10.5	10.7	10.4	10.3	11.6	11.4	11.2	11.2	11.1	11.1
Wave energy (kJ)	248	244	354	351	323	295	281	256	245	236	210	189	178	148	152	73	79	135	340	343	335	318	287	246	266	571	768	908	981	1008	987	927	906	846	824	812	769	693	606	520	438	369	293	245	205	171	148	131	106	81	91	101	109	102	95	89
Wind speed (km/h)	10.1	11.1	11.5	14.1	12.2	13.6	11.5	16.3	14.5	15.7	16.2	29.6	28.6	26.6	17.2	19.3	11.5	13.7	11.9	17.3	22.8	17.9	15.1	16.3	12	19.6	18.6	20.7	23.6	23.3	15	12.2	11	11.7	11.9	12	13.3	9.7	15.9	12.1	11.5	11.1	10.8	14.3	10.3	5.4	7.4	11.8	12.1	15.5	21.7	24.2	21.6	13.8	13.7	17
Wind direction	ENECross-off	NECross	NECross	NNECross	NECross	NECross	ENECross-off	NECross	NECross	NNECross-on	NNECross-on	NWOnshore	WNWOnshore	WCross-on	WSWCross-on	WSWCross-on	WSWCross-on	WSWCross-on	WSWCross-on	WCross-on	WCross-on	WCross-on	SWCross	SSWCross-off	SSWCross-off	SSWCross-off	SCross-off	SCross-off	SCross-off	SSECross-off	SSEOffshore	SEOffshore	SEOffshore	SEOffshore	SEOffshore	ECross-off	NNECross	ENECross-off	SEOffshore	SEOffshore	ESEOffshore	ESEOffshore	ECross-off	NECross	NNECross-on	NCross-on	ENECross-off	ENECross	NNECross-on	NCross-on	NCross-on	NNWOnshore	NNWOnshore	NCross-on	NNECross-on	NCross-on

Middle River Wedge is a powerful, exposed reef/point-style surf spot on the north coast of Kangaroo Island, South Australia. It’s known for a heavy, punchy wave that can form a fast, wedging left- and/or right-breaking peak depending on swell direction and sand/reef setup.

What it’s like

Wave type: Reef/point break with a distinct wedge
Power: Strong and hollow when conditions line up
Best for: Intermediate to advanced surfers, especially those comfortable in punchy, shallow, or heavy surf
Crowds: Usually less crowded than mainland SA spots, but still local and conditions-dependent

Conditions

Swell: Needs solid groundswells to really show its quality
Wind: Offshore or light winds are best; onshore winds can make it messy quickly
Tide: Can be tide-sensitive, with certain tides improving shape and reducing heaviness
Hazards: Shallow sections, rocks/reef, strong currents, and powerful sets

Location vibe

Kangaroo Island is remote and rugged, and Middle River Wedge reflects that—raw, scenic, and often uncrowded. It’s the kind of wave that can be excellent when the swell is right, but unforgiving if you’re out of position.