Surf Forecasts:
The groyne surf forecast from 5 Aug 2026:
- Best quality surf: Sunday 9 Aug, 1AM (local time) - 3.5ft (1.1m), 9s period, E swell with glassy winds.
- Most powerful swell: Sunday 9 Aug, 1PM (local time) - 3.5ft (1.1m), 9s period, E swell with 201 kJ wave energy.
- Next surfable swell (1★+): Wednesday 5 Aug, 10PM (local time) - 2.5ft (0.7m), 9s period with ESE 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 Wednesday (Aug 05) at 10PM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.4m and 7s. Another secondary swell of 0.6m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The groyne in the next 16 days are 1.1m 9s and forecast to arrive on Sunday (Aug 09) at 1PM. 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 5s period and expected on Monday (Aug 10) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 5th Aug) | 2.5ft (0.7m) 9s |
| Best Surf | 1AM (Sun 9th Aug) | 3.5ft (1.1m) 9s |
| Most Powerful | 1PM (Sun 9th Aug) | 3.5ft (1.1m) 9s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, Rusty here, breaking down the surf for The Groyne. The water’s running at 68°, which is a touch colder than usual for this time of year, so keep that in mind.
To be straight with you, the next 16 days are a bit of a slog. The Groyne is a reef break that’s fairly consistent and likes a SE swell, but the wind and conditions are just not cooperating for most of it. We’re looking at a lot of poor conditions, so you’ve got to pick your moments.
The real highlight is Sunday morning, August 9th. That’s your best bet. You’ve got a 4ft easterly swell with a 9-second period, and the wind is glassy – dead flat. That’s going to be clean. The combined wave energy is moderate at 253. It’s not a big swell, but with the wind off, it’ll be the best quality you’ll see. Just know it can get a little busy sometimes.
After that, it’s a long stretch of mediocrity. From the 10th through the 19th, the wind is mostly onshore or cross-shore, making things choppy. The swell stays small, mostly 2ft to 3ft, with a lot of short-period slop. There’s a tiny window on Wednesday afternoon, the 12th, with a clean offshore wind but only a 2ft swell – it’s surfable but nothing to write home about.
Towards the end, on the 20th, we see some longer-period groundswell from the SE at 12 seconds and 2ft, but the wind is straight onshore again, ruining it.
So, bottom line: Sunday the 9th is the day to circle. Everything else is a grind. It’s a tough run, but it won’t stay this way forever.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Thu morning, min 13°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Mon afternoon, min 11°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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) | E 8 | ESE 8 | E 8 | E 8 | ENE 7 | E 8 | ENE 7 | ENE 7 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 113 | 75 | 93 | 49 | 36 | 93 | 91 | 89 | 109 | 143 | 188 | 196 | 162 | 159 | 97 | 97 | 99 | 106 | 106 | 83 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | cross-off | on | off | cross | on | off | cross | on | glassy | glassy | cross-on | cross-off | off | cross-off | cross-off | cross-off | cross-on | cross-off |
High Tide | 00:36AM1.21m | 1:57PM1.48m | 1:47AM1.08m | 3:19PM1.55m | 3:19AM1.01m | 4:34PM1.67m | 4:44AM1.03m | 5:37PM1.80m | 5:52AM1.11m | 6:31PM1.91m | 6:47AM1.22m | 7:19PM1.98m | ||||||||
Low Tide | 7:00PM0.58m | 7:01AM0.33m | 8:30PM0.62m | 8:05AM0.34m | 10:05PM0.58m | 9:18AM0.33m | 11:24PM0.49m | 10:30AM0.27m | 00:25AM0.37m | 11:35AM0.20m | 1:13AM0.27m | 12:33PM0.13m | 1:56AM0.19m | |||||||
 |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — |
 | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 20 | 18 | 17 | 19 | 18 | 17 | 18 | 18 | 16 | 19 | 19 | 16 | 20 | 22 | 16 | 17 | 16 | 16 |
Feels °C | 16 | 16 | 18 | 15 | 16 | 17 | 16 | 17 | 16 | 16 | 16 | 17 | 16 | 13 | 15 | 17 | 11 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 8 | E 8 | E 8 | ENE 7 | E 8 | ENE 7 | ENE 7 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 113 | 75 | 93 | 49 | 36 | 93 | 91 | 89 | 109 | 143 | 188 | 196 | 162 | 159 | 97 | 97 | 99 | 106 | 106 | 83 |
Swell 2 Height (m) Direction Period (s) | E 18 | ENE 7 | E 16 | ENE 7 | ESE 8 | E 11 | E 11 | SE 10 | SE 10 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 5 | NNE 5 | NE 8 | NE 7 | NE 7 | NE 7 |
| kJ | 6 | 43 | 5 | 26 | 19 | 2 | 9 | 4 | 4 | 13 | 57 | 53 | 42 | 32 | 28 | 19 | 35 | 26 | 25 | 8 |
Swell 3 Height (m) Direction Period (s) | E 18 | E 17 | E 16 | E 8 | E 16 | SE 13 | SE 10 | E 15 | E 16 | SE 10 | SE 10 | E 15 | S 9 | S 9 | NE 8 | NE 8 | — | — | — | E 7 |
| kJ | 6 | 6 | 5 | 1 | 5 | 6 | 4 | 4 | 5 | 4 | 4 | 4 | 2 | 2 | 15 | 16 | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 3 | — | — | — | — | NNE 3 | WNW 3 | SW 3 | SW 3 | SW 3 | — | N 5 |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 7 | 3 | 4 | 2 | 1 | — | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 19 | 0 | 1 | 47 | 0 | 1 | 47 | 0 | 0 | 26 | 19 | 1 | 1 | 1 | 0 | 19 | 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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