Treachery Head 48 hour detailed Surf Forecast

Lat Long: 32.45° S 152.53° E

Issued: 3 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 (1.6m), 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 8AM is: 1.6m 7s primary swell from a East-southeast direction and 0.6m 11s secondary swell from a South direction, 0.3m 21s secondary swell from a South direction (forecast issued at 03:00am July 18). The wind direction is predicted to be onshore.

Time (AEST) & Date	Wave Height	Wave Period
Morning (18 Jul)	5ft (1.6m)	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 13°C on Mon night). Winds decreasing (fresh winds from the SE on Sat night, light winds from the ESE by Mon morning).
	Saturday 18								Sunday 19								Monday 20
	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	10 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	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	ESE 6	E 7	E 8	E 8	E 10	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	139	149	198	215	178	229	346	725	1338	1555	1498	1283	1177	1122	1146	1048	818	840	774	693	608	520	459	450
Wind (km/h)	SSE	SSE	SE	SSE	SSE	SE	SE	SE	SE	SSE	SE	SE	SSE	SE	SE	SE	SE	SE	SE	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	on	on	cross-on	cross-on	cross-on	on	cross-on	cross-on	cross-on	cross	cross	cross-off
High Tide	10:27PM1.73m				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	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	16	16	17	17	17	17	17	17	17	16	17	17	16	16	16	16	15	15	15	15	15	15	15
Feels °C	13	11	11	12	12	12	11	10	12	11	10	11	12	13	12	13	14	13	14	14	13	13	13	13
Swell 1 Height (m) Direction Period (s)	ESE 7	S 11	S 11	S 11	E 7	E 8	E 8	E 10	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	139	114	83	55	178	229	346	725	1338	1555	1498	1283	1177	1122	1146	1048	818	840	774	693	608	520	459	450
Swell 2 Height (m) Direction Period (s)	S 8	S 21	S 21	S 21	SSE 21	SSE 20	S 10	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	71	35	79	79	83	78	47	45	120	110	160	156	149	134	181	180	167	212	199	187	184	181	178	172
Swell 3 Height (m) Direction Period (s)	S 12	—	—	—	S 20	—	SSE 20	SSE 19	S 10	S 9	S 9	S 9	S 8	S 8	S 8	SE 16	SE 17	SE 16	SE 16	SE 16	SE 16	SE 15	SE 16	SE 16
kJ	25	—	—	—	131	—	76	73	28	15	24	24	12	13	12	11	11	10	10	10	10	9	10	9
Wind waves Height (m) Direction Period (s)	—	ESE 7	ESE 7	ESE 6	S 5	S 5	SSE 6	SSE 6	SSE 6	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	149	198	215	71	78	83	92	95	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Elim NSW - Port Macquarie	Tuncurry-North Wall NSW - Port Macquarie	Saltwater NSW - Port Macquarie	Headlands NSW - Illawarra	Sandon Point NSW - Illawarra	Sandon Point NSW - Illawarra	Sandon Point NSW - Illawarra	Sandon Point NSW - Illawarra	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Newcastle -The Harbour NSW - Newcastle	Tuncurry-North Wall NSW - Port Macquarie	Tuncurry-North Wall NSW - Port Macquarie	Saltwater NSW - Port Macquarie	Tuncurry-North Wall NSW - Port Macquarie	Seal Rocks NSW - Port Macquarie	Hawks Nest-Mungo Brush NSW - Port Macquarie	Sandbar NSW - Port Macquarie	North Haven NSW - Port Macquarie	Fly Roads NSW - Newcastle	Yacaaba Head-Boulders NSW - Port Macquarie	Treachery Head NSW - Port Macquarie
Rating (10 max)	2	2	2	1	1	1	1	1	2	4	4	4	3	4	4	4	4	3	3	3	4	1	3	3
Distance (km)	15	31	49	249	261	261	261	261	179	179	179	179	87	31	31	49	31	1	12	6	95	47	13	0
Best forecast wave conditions in Port Macquarie	Scotts Head	Scotts Head	Scotts Head											Saltwater	Saltwater	North Haven	Scotts Head	Forster Beach (Nambucca)	Back Bommie	Back Bommie	Trapdoors	Trapdoors	Trapdoors	Back Bommie
Rating (10 max)	2	2	3											4	4	4	4	4	3	3	4	3	3	3
Best forecast wave conditions in Australia	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	Point Lonsdale VIC - Torquay	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	JD Reef NSW - Newcastle	JD Reef NSW - Newcastle	Luna Park VIC - Far West	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South
Rating (10 max)	5	4	4	4	4	3	4	4	4	4	4	4	4	4	4	4	5	4	4	4	4	4	4	4
Header Global	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) 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	Kaka Point New Zealand	Papatowai 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	Humenga Point New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand
Rating (10 max)	7	6	6	9	9	9	8	7	6	6	6	6	6	7	7	7	8	7	7	6	5	7	7	6

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

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Treachery Head 48 hour detailed Surf Forecast

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

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