Surf Forecasts:
The groyne surf forecast from 19 Aug 2026:
- Best quality surf: Saturday 22 Aug, 4AM (local time) - 3.5ft (1.1m), 7s period, E swell with offshore winds.
- Most powerful swell: Thursday 20 Aug, 7AM (local time) - 6ft (1.9m), 8s period, ESE swell with 385 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 4AM (local time) - 3.5ft (1.1m), 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 1.1m 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 1.9m 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 7s period and expected on Wednesday (Aug 26) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 22nd Aug) | 3.5ft (1.1m) 7s |
| Best Surf | 4AM (Sat 22nd Aug) | 3.5ft (1.1m) 7s |
| Most Powerful | 7AM (Thu 20th Aug) | 6ft (1.9m) 8s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright folks, it’s Rusty here. Let’s have a look at what’s on the cards for The Groyne.
Right off the bat, I’ll be straight with you – the next 16 days are a write-off. There’s nothing worth paddling out for. We’ve got a long, dry stretch of poor conditions with very ordinary surf quality. The water’s sitting at 68° with a bit colder than normal feel, about 2° below average for this time of year.
The best we can hope for is a few glassy windows – Saturday the 22nd morning and Sunday the 23rd morning, with the wind dropping to nothing and the surface looking clean. But the swell is barely 3ft from the east with a short, weak period of 7 seconds. The combined energy’s only 130 (weak) and the waves are just too small and weak to get excited about. The groyne is a reef setup, so it needs a bit of push, and it’s just not there.
Into the following week, Monday the 24th morning is glassy again with a similar 3ft east swell, but it’s the same story – small, weak, and ordinary. The few days after that see a bit of offshore wind on Wednesday the 26th, with a clean 3ft wave, but it’s still tiny and lacking any real energy.
The second week is even quieter. From around the 27th, the swell drops below 3ft with combined energy falling below 100. The wind is mostly onshore or cross-onshore, and the conditions are just poor. There’s a little bump in the data around the 3rd of September with a 5ft to 7ft south-southeast swell, but it’s all onshore wind and the period is a short 7 seconds – a messy, choppy mess. Definitely not one for the paddle board.
So, the honest truth? There’s no standout session to point you toward. The Groyne is a fairly consistent spot, but this run is a real blank one. The outlook is poor for the entire 16 days. Keep the board in the rack and wait for the forecast to change.
Stay patient.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Very mild (max 19°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Tue morning, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 11 | SE 10 | E 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 341 | 192 | 157 | 210 | 222 | 155 | 126 | 127 | 109 | 142 | 147 | 135 | 102 | 105 | 127 | 153 | 159 | 140 | 108 | 116 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | on | cross-on | on | cross | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross-off | cross | cross-on | cross-off |
High Tide | 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 | |||||||
 |  |  | |  | | | |  | |  | | |  | | | | | | | |
 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — |
 | 5:28 | — | — | 5:28 | — | — | 5:29 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — |
mm | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 19 | 17 | 19 | 19 | 18 | 19 | 19 | 17 | 19 | 19 | 18 | 20 | 19 | 17 | 20 | 19 | 18 | 21 | 20 | 18 |
Feels °C | 15 | 15 | 16 | 17 | 16 | 17 | 18 | 17 | 18 | 18 | 19 | 19 | 18 | 18 | 19 | 17 | 18 | 19 | 18 | 15 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | SE 10 | E 8 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | ENE 8 |
| kJ | 118 | 192 | 143 | 210 | 222 | 155 | 126 | 127 | 109 | 142 | 147 | 135 | 102 | 105 | 127 | 153 | 159 | 140 | 108 | 116 |
Swell 2 Height (m) Direction Period (s) | — | ENE 7 | ESE 9 | ESE 9 | ENE 7 | SE 9 | SSE 8 | E 14 | ENE 10 | SE 7 | SE 7 | SE 7 | S 6 | — | SE 11 | SE 10 | S 10 | S 6 | S 6 | NE 8 |
| kJ | — | 99 | 8 | 55 | 104 | 20 | 24 | 4 | 19 | 2 | 2 | 2 | 1 | — | 5 | 4 | 2 | 1 | 1 | 28 |
Swell 3 Height (m) Direction Period (s) | — | E 13 | — | — | SE 10 | — | — | E 14 | SE 8 | E 11 | ESE 9 | E 8 | SSE 7 | — | SE 8 | S 7 | — | S 10 | S 6 | — |
| kJ | — | 4 | — | — | 4 | — | — | 4 | 2 | 2 | 9 | 1 | 5 | — | 3 | 1 | — | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | SE 11 | — | E 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 8 | NNE 4 |
| kJ | 341 | — | 157 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 46 | 24 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 47 | 1 | 47 | 13 | 47 | 13 | 47 | 0 | 0 | 19 | 0 | 0 | 157 | 0 | 0 | 19 | 0 | 0 | 623 | 0 |
Best forecast wave conditions in Sunshine Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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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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