
Surf Forecasts:
The groyne surf forecast from 8 Aug 2026:
- Best quality surf: Saturday 8 Aug, 10PM (local time) - 3.5ft (1.1m), 9s period, E swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 10PM (local time) - 3.5ft (1.1m), 9s period, E swell with 196 kJ wave energy.
- Next surfable swell (1★+): Saturday 8 Aug, 10PM (local time) - 3.5ft (1.1m), 9s 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 Saturday (Aug 08) at 10PM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.5m and 9s. 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 1.1m 9s and forecast to arrive on Saturday (Aug 08) at 10PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Monday (Aug 10) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 8th Aug) | 3.5ft (1.1m) 9s |
| Best Surf | 10PM (Sat 8th Aug) | 3.5ft (1.1m) 9s |
| Most Powerful | 10PM (Sat 8th Aug) | 3.5ft (1.1m) 9s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s be straight with you—this stretch of coast is looking pretty average for the next couple of weeks. We’ve got a long gap of small, messy surf before anything with real power shows up, and even then, the wind is going to be a bastard. Don’t get too excited, but there is one morning worth setting the alarm for.
The swell kicks off small on Saturday the 8th, with a weak 2ft easterly swell and a cross-onshore breeze making it choppy and messy. The water is sitting at 68°, which is a bit colder than normal for this time of year, so you’ll want the hood or a good chest zip. The energy is weak at 116, so it’s not doing much.
Sunday morning the 9th is your standout window. The wind drops to nothing—pure glass—and we’ve got a clean 3ft easterly swell with a 9-second period. The energy bumps up to a moderate 214, and the forecast is calling it good surf. This is the one to get out for. The groyne (The groyne) is a reef setup, so it’ll hold that shape better than a beachie. It’s fairly consistent, and with no wind, it’ll be clean. Crowds are a possibility, so get in early. After that, the wind swings around and it goes downhill fast.
From Sunday afternoon onward, it’s a run of small, weak surf. Monday the 10th has a 4ft swell but it’s short-period at 6 seconds and cross-offshore, so it’s not breaking with any power. The rest of that week is a grind: 2ft to 3ft, weak energy readings in the 50s to 100s, and mostly cross-onshore or cross winds. The 12th and 13th have clean conditions but the swell is just too tiny to be worth paddling out for. We’re looking at a several-day gap here with nothing worth recommending.
Things start to wake up around Monday the 17th. The swell jumps to 7ft, but it’s coming from the ESE with a short 6-second period, and the wind is fresh and cross-onshore. The energy climbs into the strong range—347 to 440—but it’s lumpy, choppy, and generally poor. This is raw, unorganised power. Not good for a reef, and honestly, with that wind and the beach/reef setup, this looks more interesting for kite surfing than paddle surfing.
It gets bigger and messier through the 18th and 19th, with 7ft to 8ft of ESE swell, cross-onshore winds at 19 mph, and energy readings jumping from 543 up to 1372. That’s strong wave energy, but it’s all over the place—lumpy and wind-blown. The period is around 8-9 seconds, so it’s not a clean groundswell. This is only for the experienced crew, and even then, it’s going to be a battle.
The 20th is the peak of this pulse: 8ft of ESE swell, 9-second period, and energy readings hitting 1657 to 1867. That’s very strong energy, but with the fresh cross-onshore wind, the surface is going to be a washing machine. Not one for the casual surfer.
After that, it slowly fades. The 21st and 22nd still have 7ft to 7ft of swell, but the period stretches out to 10-11 seconds, which is better, but the wind stays fresh and onshore, keeping it lumpy. The 22nd and 23rd have cross-onshore winds at 19-22 mph and the energy is still strong at 781 to 1239, but it’s all wind-chop. The swell direction is a bit off the optimum for this break, so it’s not lining up well.
So, here’s the bottom line: get out Sunday morning the 9th. That’s your clean, glassy, 3ft window. Everything before that is too small, and everything after is blown out. The long-range stuff in the second week is bigger but messy, and I wouldn't put money on it cleaning up. It’s a patience game, but that Sunday morning is worth the wait.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 24°C on Mon morning, min 12°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Wed afternoon, min 11°C on Wed night). Winds increasing (light winds from the NW on Tue night, fresh winds from the SW by Wed night). | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||
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 | E 9 | E 9 | E 9 | NNE 6 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 10 | E 9 | E 9 | SE 9 |
Wave Graph | ||||||||||||||||||||
59 | 194 | 155 | 120 | 120 | 111 | 116 | 96 | 76 | 78 | 59 | 60 | 60 | 60 | 41 | 42 | 34 | 27 | 28 | 97 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | glassy | cross-on | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross-on | cross |
High Tide | 4:34PM1.67m | 4:44AM1.03m | 5:37PM1.80m | 5:52AM1.11m | 6:31PM1.91m | 6:47AM1.22m | 7:19PM1.98m | 7:36AM1.33m | 8:03PM2.00m | 8:21AM1.42m | 8:45PM1.95m | 9:05AM1.49m | 9:24PM1.85m | |||||||
Low Tide | 11:24PM0.49m | 10:30AM0.27m | 00:25AM0.37m | 11:35AM0.20m | 1:13AM0.27m | 12:33PM0.13m | 1:56AM0.19m | 1:25PM0.09m | 2:36AM0.15m | 2:14PM0.09m | 3:13AM0.14m | 3:01PM0.14m | 3:49AM0.16m | |||||||
— | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | |
5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — | — | 5:24 | — | — | 5:25 | — | |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 19 | 19 | 17 | 24 | 22 | 15 | 22 | 21 | 17 | 24 | 25 | 15 | 19 | 19 | 15 | 18 | 17 | 16 |
Feels °C | 18 | 17 | 18 | 16 | 15 | 21 | 22 | 13 | 19 | 19 | 14 | 20 | 19 | 8 | 13 | 15 | 12 | 15 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | E 9 | E 9 | E 9 | E 9 | E 9 | NNE 6 | NE 6 | E 9 | E 9 | NNE 6 | E 9 | E 9 | NNE 5 | E 9 | E 9 | ENE 9 | E 9 | E 9 | ESE 4 |
52 | 194 | 155 | 120 | 120 | 93 | 106 | 58 | 76 | 78 | 36 | 60 | 60 | 19 | 41 | 42 | 28 | 27 | 28 | 11 | |
Swell 2 Height (m) Direction Period (s) | E 9 | NE 8 | NE 8 | NE 8 | NE 8 | E 13 | E 8 | E 9 | NE 6 | — | E 9 | NNE 6 | NE 7 | E 9 | NE 7 | S 3 | SE 10 | SE 5 | SE 12 | ENE 9 |
59 | 35 | 55 | 39 | 20 | 3 | 116 | 96 | 32 | — | 59 | 27 | 8 | 60 | 8 | 2 | 34 | 6 | 6 | 28 | |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | E 14 | S 9 | S 9 | E 13 | E 13 | — | E 11 | SSW 3 | — | S 9 | — | NE 11 | NE 10 | NNE 7 | NE 7 | SE 11 | NE 7 | NE 7 |
4 | 4 | 4 | 2 | 2 | 3 | 3 | — | 2 | 1 | — | 2 | — | 4 | 4 | 5 | 2 | 19 | 2 | 2 | |
Wind waves Height (m) Direction Period (s) | SE 2 | — | — | NE 2 | NE 5 | NNE 6 | — | WSW 3 | SW 3 | NE 7 | NNE 6 | N 7 | NNE 5 | WSW 4 | SW 4 | SSE 4 | — | — | SE 5 | SE 9 |
1 | — | — | 1 | 38 | 111 | — | 1 | 3 | 36 | 44 | 44 | 27 | 16 | 13 | 6 | — | — | 11 | 97 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 13 | 0 | 0 | 19 | 17 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | 30 | 157 | 1 | 15 | 47 | 1 |
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.











