Treachery Head 48 hour detailed Surf Forecast

Lat Long: 32.45° S 152.53° E

Issued: 9 am 20 Jul 2026 (local time)

Forecast update in hr min

Today's Treachery Head sea temperature is

19.5° 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 (20 Jul):

Morning surf: Morning surf (20 Jul, local time) - 6.5ft (2.0m), 11s period with E swell.
Afternoon surf: Afternoon surf (20 Jul, local time) - 6ft (1.8m), 11s period with E swell.
Evening surf: Evening surf (20 Jul, local time) - 5.5ft (1.7m), 10s period with E swell.

The current surf forecast for Treachery Head at 12PM is: 1.9m 11s primary swell from a East direction and 0.8m 12s secondary swell from a South direction (forecast issued at 09:00am July 20). The wind direction is predicted to be cross-onshore.

Time (AEST) & Date	Wave Height	Wave Period
Morning (20 Jul)	6.5ft (2.0m)	11s
Afternoon (20 Jul)	6ft (1.8m)	11s
Evening (20 Jul)	5.5ft (1.7m)	10s

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

	Short Range Forecast Mostly dry. Very mild (max 19°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light.
	Monday 20						Tuesday 21								Wednesday 22
	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)	2	3	3	2	2	3	3	3	3	2	2	1	1	1	2	2	2	2	2	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 11	E 11	E 11	E 10	E 10	E 10	E 10	E 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 9	ENE 9	ENE 9
Wave Graph
kJ	999	907	815	720	632	541	530	459	402	394	342	288	245	282	235	235	235	235	193	189	156	149
Wind (km/h)	SE	ESE	ESE	E	E	NE	N	NW	NW	NW	NE	ENE	NE	NNE	N	N	NNW	WNW	SSE	ESE	NW	NW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross	cross	cross-off	off	off	off	glassy	cross-off	cross	cross-off	cross-off	off	off	off	cross-off	glassy	cross-on	cross-off	off
High Tide			12:53PM1.28m				00:45AM1.21m					1:46PM1.29m				1:38AM1.06m				2:42PM1.30m
Low Tide	6:28AM0.20m				6:51PM0.48m					7:07AM0.29m				8:00PM0.53m				7:49AM0.37m				9:17PM0.55m


	6:47	—	—	—	—	—	—	6:47	—	—	—	—	—	—	—	6:46	—	—	—	—	—	—
	—	—	—	5:04	—	—	—	—	—	—	—	5:05	—	—	—	—	—	—	—	5:06	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	15	16	16	16	16	15	15	14	15	15	16	17	17	16	14	14	14	16	18	19	17
Feels °C	14	13	15	14	14	14	14	14	12	14	13	14	14	15	14	11	12	13	15	16	17	13
Swell 1 Height (m) Direction Period (s)	E 11	E 11	E 11	E 10	E 10	E 10	E 10	E 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 9	ENE 9	ENE 9
kJ	999	907	815	720	632	541	530	459	402	394	342	288	245	282	235	235	235	235	193	189	156	149
Swell 2 Height (m) Direction Period (s)	S 13	S 12	S 12	S 12	S 12	S 12	S 11	S 11	S 11	S 11	S 11	S 11	S 11	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 11
kJ	199	187	184	181	178	172	118	114	82	81	81	56	55	50	31	31	31	31	31	31	18	20
Swell 3 Height (m) Direction Period (s)	SE 16	SE 16	SE 15	SE 15	SSE 16	SE 15	S 15	S 14	S 15	SSE 15	SSE 16	SSE 15	S 15	S 15	S 14	S 14	S 13	S 13	S 13	—	—	E 12
kJ	10	10	9	9	25	8	18	16	17	22	48	45	38	17	16	16	14	4	14	—	—	3
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	NE 3	ENE 4	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	2	8	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Anna Bay-Morna Point NSW - Newcastle	Anna Bay-Morna Point NSW - Newcastle	Fly Roads NSW - Newcastle	Fingal Bay NSW - Newcastle	Yacaaba Head-Boulders NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Yacaaba Head-Boulders NSW - Port Macquarie	Little Gibber - Dark Point NSW - Newcastle	Boomerang Beach (North) NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Hawks Nest-Mungo Brush NSW - Port Macquarie	Treachery Head NSW - Port Macquarie	Treachery Head NSW - Port Macquarie
Rating (10 max)	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	1	1
Distance (km)	57	57	47	47	13	0	0	0	0	0	0	13	31	10	0	0	0	0	0	12	0	0
Best forecast wave conditions in Port Macquarie	Sawtell	Trapdoors	Forster Beach (Nambucca)	Scotts Head	Forster Beach (Nambucca)	Forster Beach (Nambucca)	Back Bommie	Back Bommie	Back Bommie	Back Bommie	Hat Head	Yacaaba Head-Boulders	Trapdoors	Back Bommie	Back Bommie	Back Bommie	Back Bommie	Back Bommie	Back Bommie	Back Bommie	Lighthouse Beach Port Macquarie	Back Bommie
Rating (10 max)	5	4	4	4	4	4	3	3	3	2	3	2	2	2	2	2	2	2	2	2	2	1
Best forecast wave conditions in Australia	Sawtell NSW - Port Macquarie	Cyclops WA - Far South	Cyclops WA - Far South	Easter Reef VIC - Far West	Cyclops WA - Far South	Cyclops WA - Far South	Ethel Wreck SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula	Luna Park VIC - Far West	Luna Park VIC - Far West	Point Lonsdale VIC - Torquay	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	5	4	4	4	4	4	4	4	4	4	3	4	4	4	4	4	5	6	5	6	6	5
Header Global	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Last Chance New Zealand	Seconds (White Rock) New Zealand	Diners Beach New Zealand	Purakaunui Bay New Zealand	Purakaunui Bay New Zealand	Aganoa Beach Samoa	Aganoa Beach Samoa	Jongensfontein South Africa	Bruces Beauties South Africa	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cow Bombie Australia
Rating (10 max)	6	5	5	7	6	5	5	5	5	5	5	4	4	5	5	5	5	6	5	6	6	5

Map Icons:
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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 (20 Jul):

Short Range Forecast

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