Treachery Head Surf Break

Lat Long: 32.45° S 152.53° E

Treachery Head 48 hour detailed Surf Forecast

Issued: 9 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Treachery Head sea temperature is
20.1°C
0.9° 

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 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 1.5ft (0.5m), 16s period with S swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 12s period with S swell.
  • Evening surf: Evening surf (21 Sep, local time) - 5.5ft (1.7m), 6s period with SSE swell.

The current surf forecast for Treachery Head at 3AM is: 0.7m 17s primary swell from a South direction and 0.5m 11s secondary swell from a South direction (forecast issued at 09:00pm September 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (AEST) & DateWave HeightWave Period
Morning (21 Sep)1.5ft (0.5m)16s
Afternoon (21 Sep)3.5ft (1.0m)12s
Evening (21 Sep)5.5ft (1.7m)6s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Tue night. Warm (max 29°C on Mon morning, min 16°C on Mon night). Winds increasing (calm on Mon morning, fresh winds from the NE by Wed afternoon).

Sun
20
Monday
21
Tuesday
22
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)
1
2
2
2
2
1
0
0
0
0
0
1
1
1
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
18
0.8
S
18
0.7
S
17
0.7
S
17
0.5
S
17
0.7
S
11
0.8
S
11
1
S
12
0.7
S
12
1.8
SSE
7
2.1
S
8
2.5
S
11
2.4
S
10
2
S
10
1.7
SSE
9
1.9
SSE
11
1.4
S
11
1.3
S
10
Wave Graph
Metric surfscale
Energy kJ
311
390
293
287
140
108
152
276
141
299
545
1538
1193
783
464
838
440
338
Wind (km/h)
15
N
10
NW
15
WNW
15
NW
10
NW
5
NNW
10
ENE
35
SSE
30
S
30
SSE
25
SSE
20
SE
20
SE
15
E
15
ENE
25
ENE
30
ENE
30
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
on
on
on
on
on
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
4:23AM0.89m
4:17PM1.31m
5:15AM0.97m
5:07PM1.38m
Low Tide
10:27PM0.45m
9:33AM0.58m
11:16PM0.38m
10:37AM0.51m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
 mm
1
1
1
1
1
1
1
1
1
Temp °C
22
25
24
24
23
28
29
19
17
17
16
17
17
17
17
17
17
17
Feels °C
19
21
19
19
18
25
25
15
12
12
11
14
14
15
14
13
12
13
  • 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
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