Surf Forecasts:
Little Avalon surf forecast from 11 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 1AM (local time) - 1.5ft (0.5m), 9s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 7AM (local time) - 6ft (1.8m), 7s period, ESE swell with 295 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 1AM (local time) - 1.5ft (0.5m), 9s period with ENE swell.
Best Forecast Surf Conditions for Little Avalon this week:
The surf forecast for Little Avalon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 1AM. The primary swell is predicted to be 0.5m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Little Avalon in the next 16 days are 1.8m 7s and forecast to arrive on Monday (Aug 17) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Thursday (Aug 13) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 12th Aug) | 1.5ft (0.5m) 9s |
| Best Surf | 1AM (Wed 12th Aug) | 1.5ft (0.5m) 9s |
| Most Powerful | 7AM (Mon 17th Aug) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Little Avalon over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break down the same forecast for Little Avalon, but in feet and miles per hour.
The water temp is about 64°F, which is pretty normal for this time of year.
For the first week and a half, it’s a slow grind. From Tuesday the 11th all the way through to Thursday the 20th of August, the surf is mostly tiny or a mess. The waves are generally around 1 to 2 feet, with very little energy behind them (mostly under 78). A lot of the time it’s just “surfable but ordinary” or plain poor. Even when the swell bumps up to around 5 to 7 feet on the 17th and 18th of August, the period is short and the wind is messy cross-on, so it’s just choppy and junky. That kind of setup is better for a kite than a paddle, especially on this kind of break.
The one true standout is the morning of Sunday the 23rd of August. That’s your best bet by a long shot. We’re looking at a solid 6-foot swell from the NE, with a 10-second period and a massive jump in energy (1276). The wind is offshore from the SW at about 12 mph, so the waves will be clean and well-shaped. This is an advanced reef break, and crowds are often a factor, but that morning is where the quality is.
A couple of other moments to note: The morning of Friday the 21st of August has 3-foot swell from the E, a 10-second period, and glassy conditions. It won’t be big, but it’ll be clean. Then the morning of Saturday the 22nd of August has similar size with clean cross-off wind, though there’s light rain around.
So, you’re looking at a long, flat stretch, then one killer morning on Sunday the 23rd. That’s the one to plan for.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 21mm), heaviest during Sun morning. Very mild (max 16°C on Sat afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ESE 5 | ESE 5 | E 6 | ESE 7 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 78 | 48 | 52 | 52 | 49 | 54 | 50 | 35 | 31 | 29 | 29 | 29 | 29 | 18 | 32 | 22 | 47 | 285 | 218 | 250 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:01PM1.76m | 7:49AM1.19m | 7:50PM1.78m | 8:34AM1.25m | 8:36PM1.75m | 9:17AM1.31m | 9:20PM1.66m | 9:59AM1.34m | 10:02PM1.53m | 10:40AM1.36m | 10:44PM1.37m | 11:22AM1.36m | 11:27PM1.21m | |||||||
Low Tide | 1:50AM-0.01m | 1:22PM0.22m | 2:33AM-0.04m | 2:13PM0.19m | 3:13AM-0.02m | 3:02PM0.19m | 3:51AM0.02m | 3:50PM0.23m | 4:27AM0.10m | 4:40PM0.28m | 5:01AM0.19m | 5:31PM0.36m | ||||||||
 |  |  | | | | | | | |  |  | | |  | | | | | | |
 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — |
 | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | 3 | 4 | — | 1 | 4 | 4 | 2 | 3 | 3 | 5 |
Temp °C | 20 | 13 | 17 | 19 | 13 | 16 | 16 | 13 | 16 | 15 | 15 | 15 | 16 | 14 | 15 | 15 | 16 | 15 | 16 | 15 |
Feels °C | 17 | 7 | 12 | 15 | 9 | 12 | 12 | 9 | 13 | 12 | 13 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 9 | S 8 | ENE 10 | S 9 | S 8 | S 9 | S 8 | S 7 | ENE 9 | ENE 9 | S 7 | S 6 | S 9 | S 7 | S 10 | S 10 | S 9 |
| kJ | 723 | 584 | 268 | 157 | 108 | 54 | 328 | 191 | 189 | 191 | 146 | 29 | 29 | 173 | 51 | 93 | 71 | 69 | 64 | 38 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | S 11 | ENE 9 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | — | S 19 | ENE 10 | ESE 5 | ENE 10 | SE 6 | S 16 | S 15 | S 12 |
| kJ | 78 | 48 | 52 | 52 | 49 | 2 | 50 | 35 | 31 | 29 | 29 | — | 28 | 18 | 32 | 20 | 32 | 5 | 4 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | S 15 | S 15 | S 13 | S 12 | S 19 | S 15 | S 19 | S 16 | S 16 | S 19 | — | S 18 | S 10 | S 15 | ENE 10 | — | S 14 | — |
| kJ | — | — | 4 | 4 | 3 | 3 | 7 | 17 | 29 | 19 | 19 | 27 | — | 55 | 29 | 38 | 20 | — | 16 | — |
Wind waves Height (m) Direction Period (s) | — | W 4 | WNW 3 | NNW 2 | WSW 4 | S 7 | S 9 | — | — | — | — | S 7 | S 7 | — | — | ESE 5 | E 6 | ESE 7 | E 7 | E 7 |
| kJ | — | 9 | 3 | 1 | 10 | 112 | 481 | — | — | — | — | 218 | 282 | — | — | 22 | 47 | 285 | 218 | 250 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 2 | 0 | 0 | 0 | 10 | 2 | 2 | 6 | 2 | 45 | 45 | 2 | 17 | 6 | 109 | 47 | 182 | 111 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Little Avalon Surf forecast
The above surf forecast table for Little Avalon provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Little Avalon can be found by selecting the local surf guide option on the grey menu. Our Little Avalon 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 (Little Avalon) 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 Little Avalon 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.
Little Avalon is 13 km (8 miles) from Dee Why. If you plan a holiday in Sydney North Coast, look for hotels and other accommodation in Dee Why. Dee Why has rooms for a wide range of budgets as well as car hire and transport links.
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