Surf Forecasts:
The groyne surf forecast from 31 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 1PM (local time) - 1.5ft (0.5m), 10s period, E swell with glassy winds.
- Most powerful swell: Tuesday 1 Sep, 10PM (local time) - 2.5ft (0.8m), 10s period, E swell with 118 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 1PM (local time) - 1.5ft (0.5m), 10s 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 Tuesday (Sep 01) at 1PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.8m and 6s. 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 0.8m 10s and forecast to arrive on Tuesday (Sep 01) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Friday (Sep 04) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Tue 1st Sep) | 1.5ft (0.5m) 10s |
| Best Surf | 1PM (Tue 1st Sep) | 1.5ft (0.5m) 10s |
| Most Powerful | 10PM (Tue 1st Sep) | 2.5ft (0.8m) 10s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cooking for our stretch of coast.
To be straight with you, the next eight days or so are looking pretty grim. We’ve got a real flat spell on our hands from now until about Thursday the 10th of September. The swell is tiny, the wind is messy, and every session is rated as poor. There’s nothing worth paddling out for during that stretch, so save your energy.
The first real glimmer of hope shows up on Thursday the 10th of September in the afternoon at The groyne. We’re looking at a small 3ft swell coming from the ENE with a period of 7 seconds. The combined wave energy is weak at 97. The wind will be light and cross-offshore, which should keep the surface clean, but the overall quality is still “very ordinary”. It’s a start, but don't get your hopes up too high. The water temp is about 69°F, which is about normal for this time of year, so no surprises there.
The real standout of the whole forecast? That has to be Friday the 11th of September, morning. This is the only real highlight. We’ve got a tiny 2ft swell wrapping in from the E with a 7-second period, but the combined energy is moderate at 100. More importantly, it’s dead glassy – true offshore, glassy conditions. That’s the whole game right there. It won’t be big, but for a reef break that can handle a bit of direction, this clean window will be your best shot for a fun, uncrowded session. It’s a reef setup, so it can be a bit fickle, and with it being this small, only a handful of waves will be decent, but the lack of wind will make them rideable.
After that, things fall away again quickly. The next few days after Friday revert to poor conditions with onshore or cross-shore winds and very weak energy. The only other session that rates even “surfable” is Thursday the 10th afternoon, but Friday morning is the clear winner.
So, to wrap it up: endure the flat spell, and point your car towards The groyne on Friday the 11th of September in the morning for a quiet, clean, small-wave paddle. That’s the only real window worth planning around.
Stay frothy,
Rusty
Short Range ForecastLight rain (total 4mm), mostly falling on Mon afternoon. Warm (max 21°C on Wed morning, min 16°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Thu morning, min 18°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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 | SE 5 | ESE 6 | ESE 6 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | NE 4 | E 9 | E 9 | E 9 | E 9 | NNE 5 | NNE 5 | E 10 | E 10 | NE 5 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 99 | 62 | 65 | 71 | 50 | 117 | 46 | 46 | 42 | 27 | 42 | 28 | 27 | 27 | 26 | 19 | 19 | 17 | 17 | 49 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | on | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off |
High Tide | 9:50PM1.59m | 10:30AM1.60m | 10:27PM1.43m | 11:20AM1.59m | 11:09PM1.26m | 12:22PM1.56m | 00:04AM1.09m | 1:41PM1.56m | 1:29AM0.95m | 3:09PM1.60m | 3:21AM0.92m | 4:25PM1.70m | |||||||||
Low Tide | 3:48PM0.33m | 4:08AM0.17m | 4:37PM0.42m | 4:45AM0.20m | 5:36PM0.52m | 5:28AM0.25m | 6:55PM0.61m | 6:23AM0.31m | 8:37PM0.63m | 7:38AM0.35m | 10:14PM0.55m | 9:05AM0.35m | 11:23PM0.43m | ||||||||
 |  |  | |  |  | | | | | | | |  |  | | | | |  | | |
 | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — |
 | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:35 | — | — | 5:35 | — | — | 5:35 | — | — | 5:36 | — |
mm | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 19 | 19 | 18 | 19 | 19 | 17 | 21 | 20 | 18 | 27 | 24 | 19 | 23 | 21 | 21 | 26 | 24 | 21 | 25 | 21 | 20 |
Feels °C | 17 | 17 | 17 | 19 | 18 | 15 | 18 | 17 | 15 | 23 | 20 | 15 | 21 | 19 | 19 | 22 | 20 | 18 | 22 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 6 | E 8 | E 11 | ESE 6 | E 6 | E 10 | E 6 | E 10 | E 9 | E 9 | E 9 | NNE 5 | NNE 5 | NE 5 | NNE 4 | E 9 | E 9 | NNE 5 | NNE 5 | E 10 | NE 5 |
| kJ | 62 | 22 | 21 | 42 | 30 | 117 | 15 | 46 | 42 | 27 | 27 | 47 | 18 | 13 | 8 | 15 | 15 | 39 | 19 | 17 | 24 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 12 | E 8 | E 10 | E 10 | NE 8 | E 10 | ENE 6 | ENE 6 | NE 6 | SE 10 | E 9 | E 9 | E 9 | E 9 | NE 8 | ENE 7 | E 10 | E 10 | S 10 | E 10 |
| kJ | 23 | 3 | 12 | 52 | 50 | 2 | 46 | 11 | 12 | 8 | 4 | 28 | 27 | 27 | 26 | 2 | 5 | 17 | 17 | 2 | 16 |
Swell 3 Height (m) Direction Period (s) | SE 10 | — | E 19 | E 17 | E 17 | NE 12 | NE 8 | NE 8 | ENE 8 | NNE 4 | — | SE 10 | NE 8 | ENE 7 | NE 8 | SE 13 | E 6 | S 10 | NE 8 | — | NE 8 |
| kJ | 4 | — | 7 | 6 | 5 | 5 | 2 | 2 | 6 | 6 | — | 4 | 3 | 5 | 10 | 7 | 1 | 2 | 3 | — | 11 |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 5 | ESE 6 | ESE 6 | — | — | — | NE 3 | N 4 | — | NE 4 | NW 3 | — | — | WNW 2 | NNE 5 | NNE 5 | NNW 4 | — | NE 5 | NNE 5 |
| kJ | 99 | 62 | 65 | 71 | — | — | — | 5 | 16 | — | 42 | 2 | — | — | 1 | 19 | 19 | 20 | — | 49 | 17 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 157 | 15 | 1 | 47 | 0 | 0 | 391 | 17 | 2 | 173 | 17 | 15 | 157 | 38 | 173 | 173 | 129 | 38 | 157 | 17 |
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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