Surf Forecasts:
The groyne surf forecast from 9 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 10PM (local time) - 2.5ft (0.7m), 8s period, ESE swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 4PM (local time) - 8ft (2.5m), 8s period, SE swell with 884 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 10PM (local time) - 2.5ft (0.7m), 8s 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 (Sep 09) at 10PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.3m and 8s. 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 2.5m 8s and forecast to arrive on Thursday (Sep 10) at 4PM. 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+) | 10PM (Wed 9th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 10PM (Wed 9th Sep) | 2.5ft (0.7m) 8s |
| Most Powerful | 4PM (Thu 10th Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, let’s talk about the Groyne in terms you can feel. The water’s about 69°F, which is a touch below the average for this time of year, so nothin’ unusual. The first couple of weeks are a real bust. From Wednesday the 9th of September all the way through to Saturday morning the 19th, it’s just flat and messy. The swell is tiny, the wind is all wrong, and the energy is weak. You’d be lucky to get a straight line.
On Saturday the 19th of September, there’s a punchy morning pulse. A 10ft SE swell rolls in, but at that size, it’s for the experts only. The wind is light from the SE, which is cross-on, and the period is a short 8 seconds, so it’ll be a bit of a washing machine. The energy is strong at 1016, but the conditions are marginal. The afternoon gets windier and lumpier, so that morning is your only shot.
The real standout is Wednesday the 23rd of September. The afternoon is the best of the whole forecast. We’re looking at a 6ft swell from the ESE, with a clean offshore wind from the E making it glassy. The period is a lovely 11 seconds, which is proper groundswell energy. The combined energy is a strong 1113. For a reef like The Groyne, that’s a recipe for some clean, lined-up waves. It’s a bit big for beginners, but for the experienced surfer, that’s a session to remember. Expect some company, so get out there early.
After that, it fades out. That Wednesday the 23rd is the one.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Wed night. Warm (max 20°C on Wed afternoon, min 16°C on Wed night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Warm (max 20°C on Sat afternoon, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
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) | ESE 5 | ESE 8 | SE 7 | SE 8 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 19 | 47 | 469 | 884 | 368 | 331 | 311 | 254 | 230 | 163 | 157 | 131 | 152 | 79 | 62 | 62 | 62 | 62 | 51 | 55 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | glassy | cross-on | cross-on | glassy |
High Tide | 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 | 10:03AM1.64m | 9:54PM1.43m | 10:45AM1.58m | 10:23PM1.26m | |||||||
Low Tide | 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 | 4:10PM0.44m | 4:11AM0.21m | 4:57PM0.57m | ||||||||
 |  |  |  |  |  | |  | | | | | | | | | | | | | |
 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — |
 | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:38 | — | — | 5:39 | — |
mm | — | 3 | 3 | — | 1 | 2 | 1 | — | 2 | — | 3 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 18 | 18 | 19 | 18 | 19 | 19 | 18 | 20 | 20 | 18 | 20 | 19 | 18 | 20 | 20 | 18 | 20 | 20 | 18 |
Feels °C | 19 | 17 | 12 | 12 | 12 | 15 | 15 | 14 | 17 | 17 | 17 | 16 | 16 | 16 | 18 | 18 | 18 | 20 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 8 | E 15 | E 14 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | NE 8 | E 13 | E 6 | E 6 | ENE 8 | E 6 | E 6 | E 6 | ENE 6 |
| kJ | 19 | 47 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 79 | 62 | 7 | 62 | 62 | 51 | 55 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | E 15 | — | E 15 | — | NE 14 | NE 15 | NE 16 | NE 15 | E 20 | E 13 | NE 8 | ENE 8 | ENE 8 | E 12 | E 12 | E 12 | NE 8 | NE 8 |
| kJ | 14 | 12 | 4 | — | 4 | — | 8 | 9 | 10 | 8 | 8 | 3 | 3 | 7 | 7 | 3 | 3 | 3 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 8 | ESE 13 | — | — | — | NE 16 | — | — | — | — | E 12 | E 20 | E 20 | E 13 | E 12 | E 10 | SE 10 | E 15 | E 11 | E 11 |
| kJ | 11 | 17 | — | — | — | 11 | — | — | — | — | 3 | 8 | 8 | 3 | 3 | 2 | 4 | 4 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | SE 7 | SE 8 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 6 | — | E 6 | — | — | — | — |
| kJ | — | — | 469 | 884 | 368 | 331 | 311 | 254 | 230 | 163 | 157 | 131 | 152 | 60 | — | 62 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 19 | 0 | 473 | 473 | 157 | 157 | 157 | 47 | 47 | 47 | 13 | 47 | 47 | 13 | 1 | 13 | 0 | 13 | 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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