Surf Forecasts:
The groyne surf forecast from 6 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 7AM (local time) - 4.5ft (1.3m), 8s period, SSE swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 1PM (local time) - 10ft (3.0m), 8s period, SE swell with 1,166 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 10PM (local time) - 2.5ft (0.7m), 8s period with ENE 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 (Sep 07) at 10PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.4m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at The groyne in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (Sep 10) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Thursday (Sep 10) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 7th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 7AM (Wed 9th Sep) | 4.5ft (1.3m) 8s |
| Most Powerful | 1PM (Thu 10th Sep) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s get into it.
Honestly, looking at the next 16 days, it’s a real mixed bag. We’ve got a lot of wind and messy conditions making things tough. The water temp is sitting at 70° which is pretty much bang on average for this time of year, so no surprises there.
The Groyne is a reef setup that’s fairly consistent, but it’s going to be a frustrating watch for a while. The winds are coming from the SE for the most part, which is a cross-on shore. That’s a killer. It’s going to be choppy and lumpy, and not much fun to paddle into. The first few days are a write-off. Monday the 7th has 4 feet of swell from the SE, but with that cross-on wind and a short 6-second period, it’s just poor.
We get a little spike of energy on Thursday the 10th, with a solid 10 feet of swell from the SE, but it’s getting hammered by 25 mph winds from the SSE. The combined energy is 970, which is strong, but it’s a complete mess. That’s strictly for the experts only, and honestly, it looks more like a kite-surfing setup than a paddling one. That energy stays moderate through the weekend, but the wind keeps it all onshore and choppy, with waves around 5 feet to 7 feet.
The first real glimmer of hope comes on Tuesday the 15th. The morning looks glassy, with the wind going to a flat calm. The swell drops to 3 feet from the ENE with a 7-second period. It’s not pumping, but it’s clean. The combined energy is only 99, so it’s weak, but a glassy day at The Groyne is a rare treat. Surfable, but very ordinary.
We get another glassy morning on Friday the 18th. Same story: 3 feet of swell from the E, 7-second period, and glassy conditions. The energy is 105, still weak, but if you’re desperate for a clean wave, this is your window.
Then, we skip ahead to Tuesday the 22nd. Another glassy morning, swell is 4 feet from the ENE with an 8-second period, and the energy is 153. It’s the best of a tough bunch – clean, small, and surfable. The period is a bit short, but the glass makes it worth a look, especially if the crowds are thin.
The standout options are the two glassy mornings: Tuesday the 15th and Tuesday the 22nd. They’re not going to blow your mind, but they’re the only clean windows in a long, windy forecast. The rest of the time, it’s a cross-on battle.
Rusty out.
Short Range ForecastLight rain (total 6mm), mostly falling on Wed night. Warm (max 20°C on Mon morning, min 16°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 28mm), heaviest during Thu morning. Warm (max 20°C on Sat afternoon, min 16°C on Thu morning). Winds decreasing (strong winds from the SSE on Thu morning, light winds from the SE by Sat night). | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
AM | 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 6 | ESE 5 | E 7 | ENE 7 | SE 4 | SE 6 | SE 5 | SE 8 | ESE 8 | SE 7 | SE 8 | SE 7 | SE 8 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 7 | E 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 67 | 24 | 52 | 37 | 28 | 79 | 31 | 58 | 46 | 966 | 1109 | 483 | 478 | 416 | 450 | 297 | 415 | 230 | 207 | 181 | 143 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | cross-on | cross-on | cross-on | cross | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 5:25PM1.81m | 5:49AM1.15m | 6:16PM1.89m | 6:39AM1.31m | 7:00PM1.93m | 7:22AM1.45m | 7:40PM1.91m | 8:04AM1.56m | 8:17PM1.84m | 8:43AM1.63m | 8:51PM1.73m | 9:23AM1.66m | 9:23PM1.59m | ||||||||
Low Tide | 10:23AM0.30m | 00:13AM0.31m | 11:29AM0.23m | 00:54AM0.22m | 12:24PM0.17m | 1:31AM0.16m | 1:14PM0.14m | 2:05AM0.12m | 2:00PM0.16m | 2:38AM0.11m | 2:43PM0.23m | 3:09AM0.13m | 3:26PM0.32m | 3:40AM0.16m | |||||||
 |  |  |  |  | | | |  |  | | | | | | | | | | |  | |
 | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — |
 | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — |
mm | — | — | — | 2 | — | — | — | — | 4 | 5 | 1 | 2 | 4 | 3 | 7 | 3 | — | 3 | 2 | 1 | — |
Temp °C | 20 | 20 | 18 | 20 | 19 | 19 | 19 | 19 | 17 | 16 | 18 | 18 | 17 | 18 | 17 | 19 | 20 | 19 | 19 | 19 | 19 |
Feels °C | 18 | 18 | 18 | 19 | 15 | 16 | 17 | 17 | 16 | 9 | 10 | 11 | 13 | 14 | 13 | 14 | 15 | 15 | 16 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 6 | E 7 | ENE 7 | NE 7 | NE 7 | SE 5 | SE 8 | ESE 8 | E 15 | E 14 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | ENE 8 |
| kJ | 19 | 19 | 52 | 37 | 25 | 7 | 31 | 58 | 46 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 7 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SE 5 | E 9 | E 9 | E 9 | E 9 | E 8 | — | — | — | — | — | NE 16 | E 12 | E 12 | E 13 | E 11 | E 11 | E 13 |
| kJ | 27 | 15 | 15 | 4 | 6 | 14 | 14 | 14 | 12 | — | — | — | — | — | 10 | 3 | 3 | 3 | 2 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSE 9 | SE 10 | E 9 | E 7 | E 6 | NE 6 | NE 6 | ESE 13 | — | — | — | — | — | — | E 12 | — | — | — | E 20 | — |
| kJ | 3 | 7 | 4 | 15 | 1 | 1 | 6 | 1 | 17 | — | — | — | — | — | — | 3 | — | — | — | 7 | — |
Wind waves Height (m) Direction Period (s) | SE 6 | ESE 5 | — | — | SE 4 | SE 6 | — | E 6 | NNW 3 | SE 7 | SE 8 | SE 7 | SE 8 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 7 | E 6 |
| kJ | 67 | 24 | — | — | 28 | 79 | — | 16 | 1 | 966 | 1109 | 483 | 478 | 416 | 450 | 297 | 415 | 230 | 207 | 181 | 143 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 79 | 157 | 0 | 47 | 47 | 157 | 15 | 19 | 0 | 473 | 473 | 152 | 47 | 47 | 47 | 47 | 293 | 47 | 47 | 47 | 47 |
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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