Surf spot

Seal Rocks, Treachery

Forecast conditions and map view for Seal Rocks, Treachery in Australia, NSW, Mid North Coast. Open the interactive surf map to inspect wind, waves, and nearby spots.

Country: Australia, NSW, Mid North Coast
Coordinates: -32.4531, 152.5156

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)	2.1	2	1.9	1.8	1.7	1.6	1.6	1.5	1.4	1.3	1.2	1.2	1	1	0.9	0.9	0.9	1.1	1	0.8	0.7	0.7	0.6	0.7	0.2	0.2	0.6	1.2	0.8	0.8	0.8	0.6	0.9	1.2	1.9	2.7	2.3	2.9	3	2.7	2.7	2.5	2.4	2.3	2	2	1.7	1.6	1.5	1.5	1.4	1.3	1.3	1.2	1.1	1
Wave direction	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	E	NE	ENE	ENE	ENE	S	S	S	S	SW	SSE	SE	SSE	SSE	SSE	SSE	S	SSE	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	S	S	S
Wave period (s)	10.1	10.2	10.2	10.2	10.2	10.2	10.1	10.1	9.9	9.9	9.8	9.7	9.8	9.9	9.8	9.7	5.8	4.4	4.3	4.3	5.2	9.3	9.3	4.6	12.3	7.4	9.3	7	9.3	11.7	11.7	11.6	11.6	10.9	10.8	9.3	10.1	8.7	8.3	8	7.5	7.3	7.3	7.7	7.5	8.2	8.7	8.8	8.8	8.9	9	9.1	9.2	9.3	9.3	9.4
Wave energy (kJ)	883	792	728	653	595	554	497	431	377	331	277	253	210	188	164	146	56	50	35	25	26	76	66	18	17	4	54	135	123	183	192	91	207	334	860	1211	1087	1241	1193	947	831	668	586	627	426	517	412	382	371	338	318	294	266	238	212	193
Wind speed (km/h)	14.9	13	10.4	15.6	22.9	26.5	25	22.5	21.1	13	11.6	14.2	23.2	24.2	20.6	17.6	13.7	12.3	5.8	5.2	19.5	14	8.3	19.2	27.3	23.9	26.6	31.1	30.6	29.5	26.3	28.5	28.7	27	28.5	21.8	21.4	17.3	15.1	13.9	14	12.1	9.2	3.7	13.7	10	9.8	11.9	8.5	4.8	5.4	3.3	14.3	14.6	13.1	8
Wind direction	NOffshore	NOffshore	NOffshore	NECross-off	NECross-off	NECross-off	NNEOffshore	NNEOffshore	NOffshore	NOffshore	NOffshore	NNECross-off	NECross-off	NECross-off	NNEOffshore	NNEOffshore	NOffshore	NOffshore	NNWOffshore	ESECross-on	SSEOnshore	SSEOnshore	SOnshore	SWCross-on	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SWCross-on	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SSWOnshore	SOnshore	SWCross-on	SOnshore	SWCross-on	SSWOnshore	SWCross-on	WSWCross-on	WSWCross-on	WCross	SGlassy	ESECross-on	ENECross-off	NNEOffshore	NOffshore	NWCross-off	WNWGlassy	NWCross-off	NGlassy	ECross	NECross-off	NNEOffshore	NNWOffshore

Seal Rocks – Treachery, NSW Mid North Coast

Treachery is one of the best-known surf breaks around Seal Rocks on the NSW Mid North Coast, offering a powerful beach-break setup backed by the remote, wild beauty of Myall Lakes National Park. It’s a scenic, sometimes heavy-wave destination that attracts surfers looking for a more isolated, nature-rich surf experience.

What it’s like

Wave type: Exposed beach break with shifting sandbanks
Best for: Intermediate to advanced surfers, depending on conditions
Wave quality: Can be very good when the banks line up, with hollow, punchy sections
Crowds: Generally less crowded than more accessible NSW breaks, though popular on good swells
Atmosphere: Remote, natural, and rugged

Conditions

Swell: Works well with a good southeast to east swell
Wind: Best in light offshore westerlies or northwest winds
Tide: Can be tide-sensitive, with performance varying by sandbank and swell size
Hazards: Strong rips, changing banks, and powerful surf on bigger days

Location and setting

Treachery sits near the village of Seal Rocks, a small coastal community known for its headlands, beaches, and marine life. The area feels quite isolated compared with many other NSW surf spots, which adds to its appeal for surfers who want a quieter session in a spectacular coastal setting.

Overall

Treachery at Seal Rocks is a classic Mid North Coast beach break: remote, powerful, and capable of excellent waves when conditions align. It’s best suited to surfers who can handle some unpredictability and respect the changing nature of the sandbanks and surf.