Treachery Head Surf Break

Lat Long: 32.45° S 152.53° E

Treachery Head 48 hour detailed Surf Forecast

Issued: 3 am 18 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 (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) & DateWave HeightWave 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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
ESE
7
1.3
ESE
7
1.5
ESE
7
1.6
ESE
6
1.3
E
7
1.4
E
8
1.6
E
8
2
E
10
2.4
E
11
2.5
E
11
2.5
E
11
2.5
E
10
2.4
E
10
2.3
E
10
2.3
E
10
2.2
E
10
2
E
10
2
E
10
1.9
E
10
1.8
E
10
1.7
E
10
1.6
E
10
1.5
E
10
1.5
E
10
Wave Graph
Metric surfscale
Energy 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)
20
SSE
30
SSE
30
SE
25
SSE
25
SSE
25
SE
30
SE
30
SE
25
SE
30
SSE
30
SE
25
SE
25
SSE
20
SE
20
SE
20
SE
15
SE
10
SE
5
SE
5
ESE
10
ESE
10
E
15
ENE
10
NNE
Wind State
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
clear
light rain
rain showers
rain showers
clear
clear
rain showers
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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
  • 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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