Surf Forecasts:
The groyne surf forecast from 7 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 7AM (local time) - 4ft (1.2m), 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 1,034 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 1AM (local time) - 2ft (0.6m), 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 Tuesday (Sep 08) at 1AM. The primary swell is predicted to be 0.6m 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-onshore at the time the swell arrives.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 8th Sep) | 2ft (0.6m) 8s |
| Best Surf | 7AM (Wed 9th Sep) | 4ft (1.2m) 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
G’day, Rusty here. Let’s talk about The Groyne and what’s coming down the pike over the next couple of weeks. Honestly, it’s a bit of a mixed bag – there’s some size, but the wind is often not playing nice.
Right off the bat, Monday the 7th and Tuesday the 8th are pretty grim. Swell is tiny – around 2ft to 5ft – but the wind is cross-onshore or onshore, and the surf is choppy and poor. Wave energy is weak to moderate. Wednesday the 9th is even smaller and just as messy.
Thursday the 10th brings a solid 10ft swell in the morning, but with a strong 25 mph cross-shore wind, it’s a washing machine. The combined energy is huge (949), but the quality is poor. Friday the 11th and Saturday the 12th keep the swell in the 5ft to 7ft range, but again, cross-onshore winds keep things lumpy.
Sunday the 13th through Monday the 14th the swell drops back to around 3ft to 3ft, with light winds but still cross or cross-onshore. Conditions are ordinary.
Now, Tuesday morning the 15th is your best chance. Swell is around 3ft from the east, with a 7-second period, and the wind goes glassy – near calm from the ENE at 3 mph. That’s clean, smooth conditions on a reef break. Wave energy is low (79), but for a small, clean wave with no one out, that’s a nice little session. It’s not big, but it’s tidy.
Wednesday the 16th and Thursday the 17th are small again, under 3ft. Thursday morning has a light offshore wind from the west, but the swell is only 2ft. Friday the 18th sees a jump to 8ft with a moderate south wind, but the wind is cross-shore, so it’ll be messy and heavy.
Saturday the 19th has a long-period swell (12 seconds) from the ESE at 2ft, with a cross-shore breeze. That long period means better shape but longer waits between sets. Energy is moderate (210).
The standout in this whole forecast is Tuesday morning the 15th September at The Groyne (reef). The 3ft east swell, glassy wind, and clean conditions make it the best window for a quiet, fun paddle. Everything else is either blown out, too small, or too messy. Keep your eyes peeled – sometimes the best session is the one you don’t expect.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Wed night. Warm (max 20°C on Mon afternoon, min 16°C on Mon night). Mainly strong winds. | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Sun morning. Very mild (max 19°C on Thu afternoon, min 14°C on Thu night). Winds decreasing (fresh winds from the SSE on Thu afternoon, light winds from the SSE by Sat night). | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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) | ENE 8 | ENE 8 | ENE 7 | SE 5 | SE 6 | SE 5 | ESE 5 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 8 | E 7 | SE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 39 | 45 | 37 | 124 | 100 | 25 | 19 | 38 | 941 | 839 | 496 | 519 | 476 | 407 | 356 | 252 | 225 | 79 | 110 | 100 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-on | cross-on | cross-on | cross | cross-on | glassy | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-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 | 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 | |||||||
 |  |  | | | | |  |  |  | | | | | | | | | | | |
 | — | — | 5:52 | — | — | 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 | — | — | 1 | — | — | — | — | 4 | 1 | — | 2 | 2 | 2 | 1 | 2 | — | 5 | 4 | 3 | 6 |
Temp °C | 20 | 18 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 17 | 18 | 19 | 18 | 19 | 19 | 17 | 17 | 19 | 18 |
Feels °C | 18 | 19 | 19 | 15 | 16 | 19 | 17 | 17 | 10 | 12 | 12 | 13 | 13 | 13 | 15 | 13 | 14 | 15 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | NE 7 | E 9 | SE 5 | ESE 5 | ESE 8 | E 15 | E 15 | E 15 | E 13 | E 14 | E 14 | E 14 | ESE 7 | E 14 | ENE 7 | E 7 | ENE 6 |
| kJ | 39 | 45 | 37 | 25 | 14 | 25 | 19 | 38 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 252 | 4 | 73 | 110 | 51 |
Swell 2 Height (m) Direction Period (s) | E 9 | SE 5 | SE 5 | E 9 | NE 7 | E 9 | E 9 | E 8 | E 15 | — | — | E 16 | — | NE 15 | E 12 | E 14 | E 13 | E 13 | E 13 | SE 7 |
| kJ | 15 | 7 | 4 | 6 | 7 | 14 | 14 | 13 | 4 | — | — | 5 | — | 9 | 3 | 4 | 3 | 3 | 3 | 39 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | E 9 | E 9 | E 7 | E 6 | NE 6 | NE 6 | ESE 13 | — | — | — | — | — | — | — | NE 15 | — | — | E 11 | NE 8 |
| kJ | 6 | 15 | 15 | 1 | 1 | 6 | 1 | 17 | — | — | — | — | — | — | — | 8 | — | — | 2 | 3 |
Wind waves Height (m) Direction Period (s) | SE 5 | — | SE 5 | SE 5 | SE 6 | — | — | N 3 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | — | ESE 7 | SE 8 | — | SE 7 |
| kJ | 28 | — | 6 | 124 | 100 | — | — | 1 | 941 | 839 | 496 | 519 | 476 | 407 | 356 | — | 225 | 79 | — | 100 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 157 | 0 | 13 | 157 | 15 | 15 | 47 | 0 | 395 | 582 | 47 | 47 | 362 | 47 | 47 | 157 | 1 | 1 | 13 | 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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