The groyne Surf Break

Lat Long: 26.80° S 153.15° E

The groyne Surf Forecast and Surf Report

Issued: 9 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's The groyne sea temperature is
19.7° C
1.3° 

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 19 Aug 2026:

  • Best quality surf: Saturday 22 Aug, 4AM (local time) - 3.5ft (1.0m), 7s period, E swell with offshore winds.
  • Most powerful swell: Thursday 20 Aug, 7AM (local time) - 6ft (1.8m), 8s period, ESE swell with 346 kJ wave energy.
  • Next surfable swell (1★+): Saturday 22 Aug, 4AM (local time) - 3.5ft (1.0m), 7s 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 Saturday (Aug 22) at 4AM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.1m and 14s. 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 1.8m 8s and forecast to arrive on Thursday (Aug 20) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Aug 25) at 10PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sat 22nd Aug)3.5ft (1.0m) 7s
Best Surf 4AM (Sat 22nd Aug)3.5ft (1.0m) 7s
Most Powerful 7AM (Thu 20th Aug)6ft (1.8m) 8s

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


The Lowdown

Alright, Rusty here. Let’s have a look at the next couple of weeks for The Groyne.

First off, the water’s a bit colder than normal for this time of year, sitting at 68°F, so you’ll want a good wetsuit if you’re heading out.

Honestly, the outlook is pretty grim for a while. The swell energy is moderate at best, peaking around 432 (moderate wave energy) on Wednesday the 19th, but it’s all messy – cross-onshore winds and short-period, poor quality surf. That first morning shows 6ft of east swell at a weak 7 seconds, but the wind is ruining it. The whole first week is a write-off for quality waves. You’ve got days of “poor surf conditions” with choppy, wind-affected lines. The only slight glimmer is on Saturday the 22nd and Sunday the 23rd mornings – we get glassy conditions with 3ft to 4ft of east-northeast swell. The wave energy drops to 119 and 138 (weak to moderate), but the complete lack of wind means the surface will be clean. It’s “surfable but very ordinary” – tiny, weak waves, best for a longboard or a beginner session if you’re desperate.

After that, it’s back to a long dry spell. From Monday the 24th right through to Saturday the 30th, it’s mostly below 3ft with weak energy and poor conditions. A few mornings have clean, glassy or offshore wind – like Thursday the 28th and Saturday the 29th – but the swell is only 2ft. Hardly worth paddling out for.

The only real standout in the whole 16-day window lands on Sunday the 30th morning. We see a bump in swell to 4ft from the SE, with a period of 9 seconds (moderate energy at 207). The wind is a moderate cross-offshore from the WSW, which will clean things up nicely at The Groyne. This is the best chance for a decent wave, but it’s still not a bombshell. It’s a reef break, so the longer period will help shape up, but keep in mind the swell direction is SE, while the optimum for this spot is SE, so it has some good match.

After that, it gets a bit messy again into early September with onshore winds and short-period junk in the 4ft to 5ft range. Nothing to get excited about.

Bottom line: the pickings are slim. If you’ve got to get wet, target the glassy mornings of the 22nd and 23rd for a mellow session, or the clean-ish Sunday 30th for the best chance at a real wave. The gaps between any decent swell are long and frustrating.

Rusty.

Short Range Forecast

Light rain (total 8mm), mostly falling on Wed night. Very mild (max 19°C on Wed morning, min 15°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Mon morning, min 15°C on Sat night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
1
0
0
0
1
0
1
1
0
1
0
0
1
0
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)
1.8
E
7
1.2
SE
11
1
SE
10
1.5
E
7
1.5
E
8
1.4
E
8
1.2
E
7
1.1
E
7
1
E
7
1
E
7
1.1
ENE
7
1
ENE
7
1.1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.7
E
8
0.7
E
8
0.8
E
8
0.8
E
8
0.7
E
8
0.8
E
8
Wave Graph
Metric surfscale
Energy kJ
358
341
192
236
259
223
155
127
106
109
140
117
135
102
99
60
60
84
82
64
82
Wind (km/h)
20
SE
20
SE
15
SSE
15
ESE
15
ESE
10
ESE
5
ESE
10
E
5
NNE
0
SE
10
E
5
NNW
5
SSE
10
E
5
E
10
SSE
10
ENE
10
NNW
10
N
25
NNE
5
WNW
Wind State
cross-on
cross-on
cross
cross-on
on
on
cross-on
on
cross
glassy
on
glassy
glassy
on
glassy
cross
cross-on
cross-off
cross
cross
glassy
High Tide
1:08PM1.38m
00:23AM1.02m
2:20PM1.36m
1:27AM0.90m
3:34PM1.38m
3:10AM0.84m
4:35PM1.45m
4:37AM0.87m
5:22PM1.53m
5:34AM0.95m
6:00PM1.62m
6:17AM1.05m
6:35PM1.71m
Low Tide
7:32PM0.72m
6:55AM0.41m
9:08PM0.75m
7:52AM0.45m
10:44PM0.69m
9:00AM0.46m
11:42PM0.60m
10:06AM0.44m
00:18AM0.50m
11:01AM0.40m
00:48AM0.40m
11:48AM0.35m
1:15AM0.32m
clear
clear
rain showers
part cloud
rain showers
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:11
6:11
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:28
5:29
5:29
5:30
5:30
5:30
 mm
6
2
1
Temp °C
19
18
17
19
18
18
19
18
17
19
18
17
19
19
18
20
19
17
21
20
20
Feels °C
15
14
15
16
16
16
17
16
17
18
17
18
18
18
18
19
18
16
18
17
19
  • 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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