The groyne Surf Break

Lat Long: 26.80° S 153.15° E

The groyne Surf Forecast and Surf Report

Issued: 9 pm 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's The groyne sea temperature is
20.0° C
1.0° 

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


The groyne surf forecast from 10 Aug 2026:

  • Best quality surf: Tuesday 11 Aug, 7AM (local time) - 2.5ft (0.7m), 9s period, E swell with offshore winds.
  • Most powerful swell: Tuesday 18 Aug, 1AM (local time) - 6.5ft (2.0m), 7s period, ESE swell with 363 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 11 Aug, 7AM (local time) - 2.5ft (0.7m), 9s period with E swell.

Best Forecast Surf Conditions for The groyne this week:

The surf forecast for The groyne over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 7AM. The primary swell is predicted to be 0.7m and 9s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at The groyne in the next 16 days are 2.0m 7s and forecast to arrive on Tuesday (Aug 18) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Aug 12) at 10PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 11th Aug)2.5ft (0.7m) 9s
Best Surf 7AM (Tue 11th Aug)2.5ft (0.7m) 9s
Most Powerful 1AM (Tue 18th Aug)6.5ft (2.0m) 7s

Table - best surf conditions forecast for The groyne over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s run it down for The Groyne.

Right out of the gate, it’s pretty quiet. Tuesday the 11th gives us waves around 2ft from the east, but a cross-offshore breeze at 12 mph just leaves it messy. By Wednesday morning the 13th, we get glassy conditions on a tiny 2ft easterly, and the wave energy is way down at 85. You’ll be sitting there waiting more than you’re up and riding. It’s a long stretch of nothing much until we get into the second week.

Once the 17th of August rolls in, the swell picks up to 6ft from the southeast, and that sounds good until you see the onshore wind crank up to 22 mph. That combo makes for lumpy, choppy water. The energy is getting up there around 319, but with that wind, it’s not a surfer’s dream. Honestly, with that much wind and that size, you’re better off with a kite than a paddle board.

The real standout comes on the morning of Thursday the 21st. We’ve got a 7ft east-southeast swell with the period stretching out to 10 seconds. The combined energy rockets up to 1425 – that’s some serious power. The wind is still cross-shore at 15 mph, so it’s not perfect, but for an experienced surfer, this is the most interesting window. That size is too much for beginners though.

The outlook fades again after that, with a final clean-ish session on the 25th – 3ft from the east and a cross-offshore breeze at 12 mph. It’s clean, but the energy is only 190. Good for a longboard cruise, but not a heater.

So, if I had to pick just one, it’s that Thursday the 21st morning. It’s got the most push, the biggest waves. The wind is just okay, but you’ll feel the difference. That’s your best shot.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 23°C on Tue afternoon, min 12°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Moderate rain (total 15mm), heaviest on Sat night. Very mild (max 18°C on Fri morning, min 14°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the SSE by Sat afternoon).

Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
1
1
0
0
0
0
1
0
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
Wave
Height (m)
Direction
Period (s)
0.9
NE
7
0.7
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.4
E
9
0.8
SE
5
1.2
SE
6
1.1
SE
6
1.4
SE
6
1.3
SSE
6
1.3
SE
6
1.4
SE
6
1.5
ESE
6
Wave Graph
Metric surfscale
Energy kJ
74
76
57
61
60
61
60
41
41
41
26
41
86
80
124
112
115
123
176
Wind (km/h)
15
WSW
20
WSW
10
WNW
15
WSW
5
SSW
15
NE
25
SW
25
SW
15
ESE
10
SSW
20
S
20
SE
20
S
25
SSE
25
SE
25
SSE
25
SSE
30
SSE
30
SE
Wind State
off
cross-off
off
off
glassy
cross-on
cross-off
cross-off
cross-on
cross-off
cross
cross-on
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
High Tide
6:47AM1.22m
7:19PM1.98m
7:36AM1.33m
8:03PM2.00m
8:21AM1.42m
8:45PM1.95m
9:05AM1.49m
9:24PM1.85m
9:48AM1.52m
10:01PM1.70m
10:32AM1.51m
10:36PM1.53m
Low Tide
1:13AM0.27m
12:33PM0.13m
1:56AM0.19m
1:25PM0.09m
2:36AM0.15m
2:14PM0.09m
3:13AM0.14m
3:01PM0.14m
3:49AM0.16m
3:47PM0.24m
4:24AM0.20m
4:33PM0.36m
clear
clear
clear
clear
clear
cloud
rain showers
clear
clear
clear
clear
clear
clear
part cloud
clear
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
6:18
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:23
5:24
5:24
5:25
5:25
5:27
 mm
1
8
5
2
6
Temp °C
17
22
23
19
20
19
14
20
20
17
18
18
17
18
18
16
17
18
17
Feels °C
11
19
20
15
17
16
8
15
16
16
14
14
14
13
13
12
13
14
12
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the The groyne Surf forecast

The above surf forecast table for The groyne provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The groyne can be found by selecting the local surf guide option on the grey menu. Our The groyne surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (The groyne) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for The groyne may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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