Surf Forecasts:
Avalon-South surf forecast from 26 Jul 2026:
- Best quality surf: Sunday 2 Aug, 4AM (local time) - 5ft (1.5m), 11s period, SSE swell with offshore winds.
- Most powerful swell: Sunday 2 Aug, 4PM (local time) - 6ft (1.8m), 12s period, SE swell with 910 kJ wave energy.
- Next surfable swell (1★+): Saturday 1 Aug, 4AM (local time) - 6ft (1.8m), 9s period with SSE swell.
Best Forecast Surf Conditions for Avalon-South this week:
The surf forecast for Avalon-South over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 01) at 4AM. The primary swell is predicted to be 1.8m and 9s period with a secondary swell of 0.1m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Avalon-South in the next 16 days are 1.8m 12s and forecast to arrive on Sunday (Aug 02) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Thursday (Jul 30) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 1st Aug) | 6ft (1.8m) 9s |
| Best Surf | 4AM (Sun 2nd Aug) | 5ft (1.5m) 11s |
| Most Powerful | 4PM (Sun 2nd Aug) | 6ft (1.8m) 12s |
Table - best surf conditions forecast for Avalon-South over the next 16 days.
The Lowdown
Alright, let’s see what we’ve got for Avalon-South.
Right now, it’s dead flat. Through the end of July and the first few days of August, there’s nothing worth paddling out for – just little knee-high ripples and clean-looking water. Water temp is around 65°, which is right where it should be for the season. Basically, a week and a half of nothing.
Then on Saturday the 1st of August, things finally turn on. We get a solid SSE swell pushing 6ft by the morning, with a moderate energy reading of 782. The wind is cross-offshore and clean, so the surface will be smooth. The swell direction lines up perfectly with what this spot likes – ENE. That Saturday morning is the real highlight: clean lines, good size, and it’s a beginner-friendly break. Just know the crowd factor – this spot is often busy, so plan to get out early.
Sunday the 2nd of August morning still has some fun waves – 5ft SSE with light cross-off winds and clean conditions. The energy drops to 395, so it’s a little weaker, but still a good session.
After that, it drops off. Monday the 3rd sees 4ft SSE with clean conditions but only ordinary energy. Tuesday the 4th is down to 3ft, and by Wednesday it’s tiny again.
Then look at Monday the 10th of August – a big pulse shows up: 15ft SE with a massive energy of 4770. That’s powerful, and it’s way too big for this beginner spot. The period is 11 seconds – solid groundswell – but for this break, that’s expert-only. The wind is light and clean in the morning, but honestly, it’s more of a show than a go.
So bottom line: Saturday the 1st of August morning is your only real standout. Everything else is flat, small, or over the top. For this area, long quiet stretches are pretty normal, so don’t sweat it – forecasts can always change.
Catch ya later,
Rusty
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 20°C on Tue morning, min 11°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the W by Wed morning). | Days 5-7 Weather SummarySome drizzle, heaviest during Fri night. Very mild (max 15°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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 | NE 8 | SE 17 | SE 14 | SE 8 | SE 7 | SE 7 | SE 14 | S 17 | ENE 7 | NE 7 | ENE 6 | S 11 | S 11 | S 10 | S 10 | E 13 | SSE 9 | SSE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6 | 2 | 12 | 8 | 14 | 13 | 8 | 8 | 0 | 7 | 7 | 4 | 0 | 0 | 0 | 0 | 3 | 456 | 415 | 322 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | off | cross-on | cross-off | off | cross | cross-off | off | off | cross-off | cross-off | cross | off | cross-off | cross | cross-off | cross-off | cross | off |
High Tide | 6:11PM1.44m | 6:54AM0.96m | 6:53PM1.50m | 7:34AM1.01m | 7:32PM1.55m | 8:11AM1.05m | 8:08PM1.58m | 8:47AM1.10m | 8:43PM1.58m | 9:23AM1.14m | 9:17PM1.56m | 9:59AM1.19m | 9:52PM1.51m | |||||||
Low Tide | 1:07AM0.31m | 12:14PM0.43m | 1:44AM0.25m | 12:57PM0.39m | 2:19AM0.20m | 1:38PM0.36m | 2:53AM0.16m | 2:17PM0.34m | 3:24AM0.14m | 2:56PM0.33m | 3:56AM0.13m | 3:37PM0.35m | ||||||||
 |  | |  |  | | | | | | | | | | | | | | | | |
 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — |
 | 5:09 | — | — | 5:10 | — | — | 5:12 | — | — | 5:12 | — | — | 5:13 | — | — | 5:14 | — | — | 5:15 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 16 | 14 | 16 | 16 | 15 | 20 | 20 | 14 | 15 | 13 | 10 | 13 | 14 | 12 | 14 | 15 | 13 | 13 | 15 | 14 |
Feels °C | 13 | 14 | 15 | 14 | 13 | 16 | 17 | 10 | 9 | 5 | 4 | 7 | 10 | 8 | 9 | 10 | 8 | 9 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | ENE 7 | NE 7 | S 10 | S 11 | S 11 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 556 | 356 | 230 | 143 | 65 | 28 | 25 | 13 | 5 | 4 | 7 | 876 | 1577 | 1386 | 1004 | 922 | 690 | 456 | 415 | 322 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | NE 8 | NE 8 | NE 7 | NE 4 | SE 7 | SE 7 | SE 7 | S 17 | S 16 | E 13 | ENE 6 | — | — | — | — | NE 8 | SE 12 | SSE 12 | SE 12 |
| kJ | 6 | 2 | 2 | 2 | 9 | 13 | 7 | 2 | 22 | 5 | 3 | 4 | — | — | — | — | 3 | 77 | 98 | 199 |
Swell 3 Height (m) Direction Period (s) | — | NE 8 | SE 17 | SE 14 | SE 8 | ENE 4 | SE 15 | SE 14 | — | SE 13 | E 13 | — | — | — | — | — | E 13 | NE 8 | S 15 | S 13 |
| kJ | — | 2 | 12 | 8 | 14 | 1 | 8 | 8 | — | 7 | 3 | — | — | — | — | — | 3 | 2 | 4 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 2 | NNE 4 | WNW 2 | NE 4 | WSW 4 | WNW 3 | SW 5 | S 9 | S 10 | S 11 | — | S 10 | — | — | — | — | — |
| kJ | — | — | — | 1 | 13 | 1 | 2 | 5 | 9 | 58 | 521 | 1238 | 1962 | — | 1301 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2 | 10 | 2 | 2 | 117 | 2 | 4 | 8 | 65 | 370 | 263 | 3 | 3 | 81 | 2 | 3 | 7 | 0 | 0 | 3 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Avalon-South Surf forecast
The above surf forecast table for Avalon-South provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Avalon-South can be found by selecting the local surf guide option on the grey menu. Our Avalon-South 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 (Avalon-South) 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 Avalon-South 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.
Avalon-South 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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