Surf spot

The Bommie - Cow Bombie

Forecast conditions and map view for The Bommie - Cow Bombie in Australia, WA, Margaret River North. Open the interactive surf map to inspect wind, waves, and nearby spots.

Country: Australia, WA, Margaret River North
Coordinates: -33.8533, 114.9862

Metric
Metric	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	15:00
Wave height (m)	2.4	2.5	2.3	2.9	3.4	3.3	3.2	3.1	3	2.9	2.9	2.8	3.1	3.3	3.4	3.5	3.6	3.7	3.8	3.9	3.8	3.7	3.7	3.6	3.5	3.3	3.2	3.1	3	2.9	2.8	2.6	2.4	2.2	2.1	1.9	1.8	1.5	1.6	1.6	1.7	1.7	1.7	1.6	1.6	1.5	1.6	1.6	1.2	1.5	1.3	1.5	2.2	1.9	2.3	3.2
Wave direction	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	WSW	WSW	SW	SW	SW	WSW	WSW	W	WSW	WSW
Wave period (s)	12.9	12.6	12.7	9.4	9.6	9.5	9.4	9.5	9.6	9.7	9.3	8.9	9.6	9.7	9.9	10.1	10.3	10.6	10.9	11.1	11.2	11.2	11	11.1	11.3	11.3	11.3	11.3	11.2	11.1	10.9	10.7	10.6	10.4	10.3	10.4	10.6	9.3	11	11.2	11.3	11.3	11.2	10.7	10.7	10.4	11.3	11.4	12.6	12.6	11.4	10.3	8.9	8.7	9.4	10.5
Wave energy (kJ)	1868	1937	1723	1445	2109	1918	1765	1690	1598	1561	1491	1224	1798	2049	2316	2557	2689	3010	3463	3672	3666	3478	3313	3194	3030	2874	2648	2464	2288	2072	1827	1548	1294	1066	927	797	737	373	635	675	721	738	719	616	566	491	654	682	439	695	439	448	767	535	919	2315
Wind speed (km/h)	38.9	39.3	31.1	25.9	22.8	17.6	14.8	14	20.8	23.1	20.1	22.6	23	17.3	12.7	11.6	15	15.3	15.3	11.7	10.4	7.6	19.2	20.1	20.7	20.2	20.5	18.9	11.6	2.9	15.5	16.3	19.4	17.4	19.6	24.3	22.6	13.4	9.2	12.2	14.1	13.3	18.7	23.3	23.5	20.6	16.3	20.6	28	36.4	21.1	31.3	30.9	25.5	21.6	17.6
Wind direction	WNWBlown out	WSWBlown out	WSWCross-on	WSWCross-on	WCross-on	WOnshore	WNWOnshore	WNWOnshore	WNWOnshore	WNWOnshore	WNWOnshore	WNWOnshore	WNWOnshore	WOnshore	WSWCross-on	SSWCross	SSECross-off	SEOffshore	SEOffshore	EOffshore	NCross-on	SEOffshore	ESEOffshore	ESEOffshore	EOffshore	EOffshore	ECross-off	ENECross-off	ENECross-off	SGlassy	EOffshore	ECross-off	ENECross-off	ENECross-off	NECross-off	NNECross	NNECross	NCross-on	NECross	NECross-off	NECross	NNWCross-on	NNWCross-on	NWOnshore	NWOnshore	NNWCross-on	NNWCross-on	NNWCross-on	NWOnshore	SSWBlown out	SWCross-on	WSWCross-on	WCross-on	WSWCross-on	WCross-on	WOnshore

The Bommie (Cow Bombie), Margaret River North, Western Australia is a legendary big-wave reef break known for its size, power, and heavy-water reputation. It’s located offshore from the Margaret River region and is part of one of Australia’s most famous surf zones.

What it’s like

Wave type: Deep-water reef break / big-wave point-style setup
Known for: Massive swells, long hold-downs, and powerful open-ocean surf
Best for: Advanced to expert big-wave surfers only
Conditions: Needs a very large southwest swell to come to life, usually combined with favorable offshore winds
Hazards: Shallow reef, serious currents, strong paddle-outs, and extreme wave energy

Why it’s famous

Cow Bombie has a reputation as one of the heaviest waves in Australia. When it turns on, it can produce huge, clean walls and thick, freight-train sections that attract some of the world’s best big-wave surfers. It’s not a place for casual surfing—this is a true test of commitment, skill, and fitness.

Surroundings

The Margaret River coast is known for rugged cliffs, wild ocean scenery, and world-class surf. Cow Bombie sits in a remote-feeling stretch of coastline, which adds to its raw and intimidating atmosphere.

In short

If you’re looking for an iconic big-wave spot in WA, The Bommie / Cow Bombie is one of the most serious and respected names on the map. It’s powerful, dangerous, and world-class when the swell lines up.