Treachery Head 48 hour detailed Surf Forecast

Lat Long: 32.45° S 152.53° E

Issued: 9 am 18 Jul 2026 (local time)

Forecast update in hr min

Today's Treachery Head sea temperature is

19.6° C

Treachery Head surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Treachery Head today (18 Jul):

Morning surf: Morning surf (18 Jul, local time) - 5ft (1.5m), 7s period with ESE swell.
Afternoon surf: Afternoon surf (18 Jul, local time) - 4.5ft (1.4m), 8s period with E swell.
Evening surf: Evening surf (18 Jul, local time) - 6ft (1.9m), 9s period with E swell.

The current surf forecast for Treachery Head at 6PM is: 1.8m 8s primary swell from a East-southeast direction and 0.5m 10s secondary swell from a South direction, 0.3m 20s secondary swell from a South-southeast direction (forecast issued at 09:00am July 18). The wind direction is predicted to be onshore.

Time (AEST) & Date	Wave Height	Wave Period
Morning (18 Jul)	5ft (1.5m)	7s
Afternoon (18 Jul)	4.5ft (1.4m)	8s
Evening (18 Jul)	6ft (1.9m)	9s

Table - waves today at Treachery Head. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 2mm), mostly falling on Sat morning. Very mild (max 17°C on Sat morning, min 14°C on Mon night). Winds decreasing (fresh winds from the SE on Sat afternoon, light winds from the ESE by Mon morning).
	Saturday 18						Sunday 19								Monday 20
	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	10 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	1	1	2	2	2	2	2	2	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 7	ESE 7	ESE 7	E 8	ESE 8	E 9	E 11	E 11	E 11	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10
Wave Graph
kJ	181	229	242	235	457	632	1293	1555	1386	1154	1131	1079	1102	1048	937	857	789	720	693	608	530	530
Wind (km/h)	SE	SSE	SSE	SSE	SE	SE	SSE	SE	SSE	SE	SSE	SSE	SE	SE	SE	SE	ESE	ESE	ESE	E	ENE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	on	on	on	on	on	on	on	on	on	on	cross-on	cross-on	on	on	cross-on	cross-on	cross-on	cross	cross	cross-off
High Tide			11:14AM1.25m				11:12PM1.57m				12:03PM1.27m				11:57PM1.39m				12:53PM1.28m
Low Tide	5:09AM0.03m				4:54PM0.31m				5:49AM0.11m				5:50PM0.40m				6:28AM0.20m				6:51PM0.48m


	6:48	—	—	—	—	—	—	6:48	—	—	—	—	—	—	—	6:47	—	—	—	—	—	—
	—	—	—	5:02	—	—	—	—	—	—	—	5:04	—	—	—	—	—	—	—	5:04	—	—
mm	1	1	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	17	16	17	17	17	17	17	16	17	17	16	16	16	16	15	15	15	15	15	15	15
Feels °C	11	12	12	13	11	11	12	12	10	12	12	12	13	13	13	13	14	14	14	13	13	13
Swell 1 Height (m) Direction Period (s)	S 11	S 11	S 10	E 8	S 10	E 9	E 11	E 11	E 11	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10
kJ	112	82	78	235	47	632	1293	1555	1386	1154	1131	1079	1102	1048	937	857	789	720	693	608	530	530
Swell 2 Height (m) Direction Period (s)	S 21	S 21	SSE 21	S 10	SSE 20	S 10	SSE 19	SSE 18	S 18	S 18	S 17	S 16	S 16	S 14	S 13	S 13	S 13	S 12	S 12	S 12	S 12	S 12
kJ	79	79	83	48	76	29	120	110	160	156	149	134	181	180	167	212	199	187	181	181	178	172
Swell 3 Height (m) Direction Period (s)	—	—	—	SSE 20	S 7	SSE 19	S 10	S 9	S 8	S 8	S 8	S 8	S 8	SE 16	SE 17	SE 16	SE 16	SE 16	SE 16	SE 15	SE 16	SE 15
kJ	—	—	—	78	8	73	28	15	22	22	12	13	12	11	11	10	10	10	9	9	10	9
Wind waves Height (m) Direction Period (s)	ESE 7	ESE 7	ESE 7	SSE 5	ESE 8	SSE 6	S 6	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	181	229	242	49	457	87	39	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Tuncurry-North Wall NSW - Port Macquarie	Scotts Head NSW - Port Macquarie	Headlands NSW - Illawarra	Warriewood NSW - Sydney North Coast	Sandon Point NSW - Illawarra	Sandon Point NSW - Illawarra	Warriewood NSW - Sydney North Coast	Little Avalon NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Newcastle -The Harbour NSW - Newcastle	Backdoor 4 NSW - Newcastle	Tuncurry-North Wall NSW - Port Macquarie	Boomerang Beach (South) NSW - Port Macquarie	Boomerang Beach (South) NSW - Port Macquarie	Hawks Nest-Mungo Brush NSW - Port Macquarie	Hawks Nest-Mungo Brush NSW - Port Macquarie	Fly Roads NSW - Newcastle	Fly Roads NSW - Newcastle	Yacaaba Head-Boulders NSW - Port Macquarie	Treachery Head NSW - Port Macquarie
Rating (10 max)	2	2	1	1	1	1	2	3	4	4	4	2	4	4	4	4	3	3	3	1	3	3
Distance (km)	31	207	249	179	261	261	179	173	179	179	179	87	129	31	8	8	12	12	47	47	13	0
Best forecast wave conditions in Port Macquarie	Scotts Head	Scotts Head												North Haven	Hat Head	Forster Beach (Nambucca)	Back Bommie	Back Bommie	Trapdoors	Trapdoors	Scotts Head	Back Bommie
Rating (10 max)	3	2												4	4	4	3	3	4	4	4	3
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Shipstern Bluff TAS - East Coast	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Hanson Bay SA - Kangaroo Island	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Margaret River Bommie WA - Margaret River	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Easter Reef VIC - Far West	Ethel Wreck SA - Yorke Peninsula	Cyclops WA - Far South
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	3	4	4	5	4	4	4	4	4	4	4
Header Global	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Dunedin - Cob Cottage New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Humenga Point New Zealand	Humenga Point New Zealand	Ning Nong Point and Reef New Zealand	Seconds (White Rock) New Zealand
Rating (10 max)	6	9	9	9	8	7	6	6	6	6	6	6	7	7	7	8	7	6	6	5	6	6

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

Latest Updates

Ben Mondy

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Treachery Head 48 hour detailed Surf Forecast

How big are the waves at Treachery Head today (18 Jul):

Short Range Forecast

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