Treachery Head Surf Break

Lat Long: 32.45° S 152.53° E

Treachery Head 48 hour detailed Surf Forecast

Issued: 9 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Treachery Head sea temperature is
19.8°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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 11ft (3.5m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 10ft (3.0m), 10s period with S swell.
  • Evening surf: Evening surf (17 Sep, local time) - 7.5ft (2.3m), 9s period with SSE swell.

The current surf forecast for Treachery Head at 6PM is: 2.4m 10s primary swell from a South direction and 0.2m 19s secondary swell from a South direction (forecast issued at 09:00am September 17). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (17 Sep)11ft (3.5m)11s
Afternoon (17 Sep)10ft (3.0m)10s
Evening (17 Sep)7.5ft (2.3m)9s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Warm (max 25°C on Sat afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Fri morning).

Thursday
17
Friday
18
Saturday
19
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
1
3
3
3
2
2
0
1
1
3
2
1
1
0
0
0
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
S
11
3.5
S
10
3
S
10
2.5
S
10
2.4
S
10
2.2
SSE
9
2.1
SSE
9
1.5
S
9
1.4
S
9
1.3
S
9
1.3
S
9
1.3
S
9
1.3
S
9
1.3
S
9
1.2
S
10
0.8
S
16
0.7
S
16
0.7
S
17
1
S
10
0.9
S
10
0.5
S
15
0.8
S
9
Wave Graph
Metric surfscale
Energy kJ
2838
2650
1680
1277
1048
773
675
357
304
251
245
264
287
295
264
326
257
270
200
163
113
110
Wind (km/h)
35
S
30
SSW
35
SW
30
SSW
20
SSW
10
W
10
W
10
W
10
WNW
5
NE
20
ENE
20
NE
30
NNE
20
NNW
20
W
25
W
30
W
25
WSW
25
SSW
10
S
10
NNE
15
NNW
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-off
off
High Tide
11:54AM1.36m
00:22AM0.92m
12:49PM1.30m
1:35AM0.85m
1:58PM1.26m
Low Tide
5:10AM0.43m
6:44PM0.46m
5:52AM0.51m
7:57PM0.51m
6:51AM0.58m
9:20PM0.50m
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:46
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
 mm
1
1
1
Temp °C
15
14
15
16
16
15
14
13
13
15
16
17
18
20
19
18
17
21
24
25
25
22
Feels °C
7
8
8
10
12
13
12
11
11
14
12
13
13
16
14
12
10
15
18
21
21
18
  • 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 

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