The groyne Surf Break

Lat Long: 26.80° S 153.15° E

The groyne Surf Forecast and Surf Report

Issued: 9 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's The groyne sea temperature is
20.2° C
0.8° 

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 9 Aug 2026:

  • Best quality surf: Monday 10 Aug, 10PM (local time) - 3.5ft (1.0m), 7s period, NE swell with offshore winds.
  • Most powerful swell: Sunday 16 Aug, 10PM (local time) - 5.5ft (1.7m), 6s period, SE swell with 198 kJ wave energy.
  • Next surfable swell (1★+): Monday 10 Aug, 10PM (local time) - 3.5ft (1.0m), 7s period with NE 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 Monday (Aug 10) at 10PM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.7m and 9s. 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 1.7m 6s and forecast to arrive on Sunday (Aug 16) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Monday (Aug 10) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Mon 10th Aug)3.5ft (1.0m) 7s
Best Surf10PM (Mon 10th Aug)3.5ft (1.0m) 7s
Most Powerful10PM (Sun 16th Aug)5.5ft (1.7m) 6s

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


The Lowdown

Alright, let me break down this stretch for The groyne. To be honest, the first week and a half is a total wasteland. From Monday the 10th right through to Wednesday the 19th, it’s flat, weak, and windblown. You’ve got tiny, short-period slop, with combined energy readings barely getting out of the low hundreds (258, 97, 76, 57). The winds are all over the place – cross-off, cross-on – never giving us anything clean. There was one glassy morning on the 12th, but with only 2ft of swell and no power, it’s pointless. We’re looking at a solid nine days of nothing.

Around Thursday the 20th, the swell starts to push up a bit, with the energy hitting the moderate range (522, 628). The period lengthens to a more respectable 8-9 seconds and we’re seeing waves in the 5ft range. But the wind is still blowing cross-onshore from the SE, so it’s just going to be choppy and messy. The power is there, but the quality is non-existent.

Now, the one bright spot in this whole forecast is the morning of Monday, the 24th of August. That’s the day. We’ve got a clean 4ft of east swell, a 9-second period, and the energy is still solid at 295. But the magic is the wind: a light cross-offshore breeze from the SSW. That will keep the face clean and make it very surfable. The forecast even says “expect good surf conditions.”

And then Tuesday morning, the 25th, is another little gem. A 3-4ft east swell, but the wind swings offshore from the WNW at just 3 mph. Should be really clean with that light air, and energy of 202. That’s a great day for a log or a funboard.

So here’s the plan: forget the first ten days. Don’t even look at the ocean. The surf finally shows up on the 20th, but it’s ugly. The standout is Monday the 24th, with Tuesday the 25th a decent backup. It’s still a week out, so keep an eye on it, but it’s definitely the most promising part of this whole forecast.

Rusty out.

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon afternoon. Warm (max 23°C on Mon morning, min 12°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Thu morning, min 14°C on Wed night). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
1
0
1
1
1
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)
0.8
E
9
1.4
NNE
6
0.8
E
9
0.7
E
9
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
0.4
E
9
1
SE
6
1.1
SE
6
1.2
SE
6
1.1
SE
5
1.1
SE
5
1.3
SE
5
Wave Graph
Metric surfscale
Energy kJ
95
135
94
74
76
57
61
60
61
60
41
41
26
59
75
86
64
65
103
Wind (km/h)
20
NNW
25
NNW
20
SW
10
WSW
20
WSW
10
NNW
10
WSW
0
NW
15
N
20
WSW
20
WSW
10
SE
15
SSE
20
S
20
SE
20
S
20
S
25
SSE
20
SSE
Wind State
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
glassy
cross
off
cross-off
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
High Tide
5:52AM1.11m
6:31PM1.91m
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
Low Tide
00:25AM0.37m
11:35AM0.20m
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
clear
part cloud
rain showers
clear
clear
clear
clear
clear
light rain
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
6:18
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:23
5:23
5:24
5:24
5:25
5:25
 mm
2
1
Temp °C
17
23
20
15
22
22
18
21
20
16
21
21
16
18
18
17
18
19
18
Feels °C
14
21
18
12
19
20
15
18
17
11
17
17
14
15
15
14
13
15
15
  • Map Icons:
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  • 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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