Surf Forecasts:
The groyne surf forecast from 4 Sep 2026:
- Best quality surf: Monday 7 Sep, 10PM (local time) - 2.5ft (0.8m), 10s period, SE swell with glassy winds.
- Most powerful swell: Friday 11 Sep, 1AM (local time) - 7.5ft (2.3m), 7s period, SE swell with 554 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 7PM (local time) - 4.5ft (1.4m), 6s period with NNE 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 Sunday (Sep 06) at 7PM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 0.3m and 10s. 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 2.3m 7s and forecast to arrive on Friday (Sep 11) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Sunday (Sep 06) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 6th Sep) | 4.5ft (1.4m) 6s |
| Best Surf | 10PM (Mon 7th Sep) | 2.5ft (0.8m) 10s |
| Most Powerful | 1AM (Fri 11th Sep) | 7.5ft (2.3m) 7s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, let's see what The Groyne’s got cooking.
To be straight with you, this is a reef break that needs a good southeast swell, and over the next couple weeks, there’s a whole lot of flatness and junk. The water is about 69°, just a hair under normal for this time of year – nothing crazy.
First up, Saturday morning, September 5th: it’s a glassy 1ft wave from the east. Super clean, but the energy is basically nil (18). After that, the wind turns bad and it’s small and choppy for days. Not much to talk about.
Then we hit *Wednesday morning, September 9th*. That’s the one. We finally get a clean 3ft wave out of the southeast, with a 10-second period that gives it some push. Combined energy comes in at (266) – that’s moderate, but for this spot, it’s the best you’ll see. Light cross-shore wind makes it look tidy. Perfect for an intermediate on a reef.
The rest of the run? Mostly dribble. There’s a spike on Wednesday afternoon, September 16th – a 7ft southeast swell, but the period is short and the wind is a strong onshore. That one’s only for the brave, and the quality will be rough. I’d call that a kite surfing day.
Beginners should steer well clear of that 7ft day. The cleanest, most surfable window is Wednesday the 9th in the morning. Crowds are a “sometimes” thing here, but for that session, expect a few others with the same idea.
So there you go: a slow start, one solid morning on the 9th, and then a long dry stretch. Second week has nothing that’ll make you paddle hard.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 29°C on Sun morning, min 17°C on Mon night). Winds decreasing (fresh winds from the SSE on Sun night, calm by Mon night). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Thu morning. Warm (max 20°C on Tue morning, min 17°C on Tue night). Winds increasing (calm on Wed night, fresh winds from the SSE by Thu morning). | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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) | E 9 | E 9 | NNE 5 | NNE 5 | NNE 6 | SSE 6 | SE 6 | ESE 5 | NE 8 | NE 7 | SE 5 | SE 6 | SE 10 | SE 12 | ESE 6 | SE 9 | SSE 5 | SE 7 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 15 | 72 | 45 | 63 | 145 | 84 | 34 | 15 | 25 | 84 | 132 | 208 | 40 | 22 | 42 | 133 | 554 | 229 | 186 | 117 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-off | cross-off | cross | cross | cross | on | cross-off | cross-on | cross-on | cross-on | cross | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:09PM1.60m | 3:21AM0.92m | 4:25PM1.70m | 4:47AM1.01m | 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 | ||||||||
Low Tide | 10:14PM0.55m | 9:05AM0.35m | 11:23PM0.43m | 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 | ||||||||
 | |  | | |  |  | |  |  | |  | | | | |  | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — |
 | — | 5:35 | — | — | 5:36 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 2 | 4 | 2 | — | — | — | 1 |
Temp °C | 23 | 23 | 20 | 29 | 26 | 19 | 20 | 20 | 18 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 18 | 19 | 19 | 18 |
Feels °C | 22 | 22 | 17 | 26 | 24 | 15 | 19 | 18 | 19 | 18 | 18 | 16 | 17 | 17 | 15 | 14 | 13 | 12 | 14 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | NNE 5 | E 9 | E 10 | E 10 | E 10 | NNE 6 | NE 6 | NE 7 | ESE 5 | NE 7 | NE 7 | E 9 | SE 10 | SE 6 | ESE 6 | SE 9 | E 8 | E 15 | E 13 | ESE 14 | SE 13 |
| kJ | 9 | 15 | 17 | 17 | 17 | 30 | 14 | 27 | 15 | 25 | 14 | 14 | 208 | 34 | 22 | 42 | 12 | 4 | 4 | 18 | 7 |
Swell 2 Height (m) Direction Period (s) | E 9 | NE 8 | S 10 | S 10 | S 10 | E 10 | E 9 | E 9 | ENE 5 | E 9 | E 9 | NE 7 | SE 13 | E 9 | SE 10 | E 8 | NE 6 | — | SE 21 | E 14 | E 15 |
| kJ | 15 | 2 | 2 | 2 | 2 | 16 | 15 | 15 | 11 | 15 | 15 | 7 | 44 | 14 | 16 | 12 | 1 | — | 17 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | NE 8 | SE 10 | — | S 10 | — | — | NE 8 | SE 9 | NE 8 | SE 9 | E 7 | E 6 | E 9 | SE 12 | E 8 | NE 6 | E 14 | — | E 17 | E 14 | E 14 |
| kJ | 3 | 4 | — | 2 | — | — | 3 | 12 | 15 | 3 | 1 | 1 | 14 | 40 | 12 | 1 | 4 | — | 6 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | NNE 4 | NNE 5 | NNE 5 | NNE 6 | SSE 6 | SE 6 | ESE 5 | E 4 | SE 4 | SE 5 | SE 6 | — | — | — | — | SSE 5 | SE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | — | 13 | 72 | 45 | 63 | 145 | 84 | 34 | 9 | 21 | 84 | 132 | — | — | — | — | 133 | 554 | 229 | 186 | 117 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 211 | 533 | 96 | 196 | 129 | 157 | 15 | 47 | 0 | 47 | 157 | 47 | 1 | 47 | 47 | 152 | 293 | 157 | 147 | 47 | 13 |
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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