Treachery Head Surf Break

Lat Long: 32.45° S 152.53° E

Treachery Head 48 hour detailed Surf Forecast

Issued: 3 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Treachery Head sea temperature is
19.6° C
0.7° 

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


How big are the waves at Treachery Head today (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 4.5ft (1.4m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 10s period with ENE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4ft (1.2m), 10s period with ENE swell.

The current surf forecast for Treachery Head at 9AM is: 1.4m 10s primary swell from a East-northeast direction and 0.6m 11s secondary swell from a South direction (forecast issued at 03:00am July 21). The wind direction is predicted to be offshore and the swell rating is 3.

Time (AEST) & DateWave HeightWave Period
Morning (21 Jul)4.5ft (1.4m)10s
Afternoon (21 Jul)4.5ft (1.3m)10s
Evening (21 Jul)4ft (1.2m)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 8°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the WSW by Thu night).

Tuesday
21
Wednesday
22
Thursday
23
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)
3
3
3
2
2
0
1
1
1
2
2
2
2
2
2
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
E
10
1.5
E
10
1.4
ENE
10
1.4
ENE
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
1.2
ENE
10
1.3
ENE
10
1.2
ENE
10
1.1
ENE
10
1
ENE
10
1
ENE
10
1
ENE
9
1
ENE
9
1
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.7
ENE
9
0.7
ENE
9
0.6
ENE
9
0.6
ENE
9
Wave Graph
Metric surfscale
Energy kJ
530
459
402
394
342
288
288
282
289
248
235
197
193
189
185
181
146
146
116
116
82
82
62
59
Wind (km/h)
10
N
10
NW
10
NW
5
NNW
15
NE
15
ENE
20
NE
20
N
20
N
20
NNW
15
NNW
5
WNW
5
ESE
5
SE
10
WNW
20
NW
20
W
20
W
20
WSW
20
WSW
20
SW
20
SW
30
W
35
WSW
Wind State
off
cross-off
off
glassy
cross-off
cross
cross-off
cross-off
cross-off
off
off
cross-off
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross
cross-off
cross
High Tide
00:45AM1.21m
1:46PM1.29m
1:38AM1.06m
2:42PM1.30m
2:43AM0.95m
3:39PM1.32m
Low Tide
7:07AM0.29m
8:00PM0.53m
7:49AM0.37m
9:17PM0.55m
8:37AM0.43m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:46
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:05
5:06
5:06
 mm
Temp °C
15
14
14
15
16
16
17
17
16
14
14
14
16
19
19
17
16
15
14
15
18
19
18
15
Feels °C
14
12
13
14
13
13
13
14
13
11
11
13
15
18
16
12
12
10
9
10
13
14
11
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Treachery Head surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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