Surf Forecasts:
Avalon-South surf forecast from 22 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 1PM (local time) - 4ft (1.2m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Wednesday 22 Jul, 1PM (local time) - 4ft (1.2m), 10s period, ENE swell with 253 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 1PM (local time) - 4ft (1.2m), 10s period with ENE 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 Wednesday (Jul 22) at 1PM. The primary swell is predicted to be 1.2m and 10s period. 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 1.2m 10s and forecast to arrive on Wednesday (Jul 22) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 10s period and expected on Friday (Jul 24) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Wed 22nd Jul) | 4ft (1.2m) 10s |
| Best Surf | 1PM (Wed 22nd Jul) | 4ft (1.2m) 10s |
| Most Powerful | 1PM (Wed 22nd Jul) | 4ft (1.2m) 10s |
Table - best surf conditions forecast for Avalon-South over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for Avalon-South over the next couple of weeks.
Right off the bat, it’s a bit of a slow start. We’ve got a little bump of 4ft ENE swell on Wednesday 22 July morning with a light northwesterly cross-offshore breeze, and the water’s sitting at 65°, which is pretty much just normal for this time of year. The energy’s moderate at 269. It’s surfable but nothing to write home about. The afternoon goes glassy, but the swell drops a notch to 4ft, and honestly, the conditions are just ordinary.
Thursday 23 July has a smaller 3ft ENE swell with a clean offshore wind in the morning, but again, it’s tiny and the energy drops to 119. By the afternoon, a cross-offshore breeze at 12 mph on the WSW isn’t helping much.
Friday through to Tuesday next week is a write-off—waves drop to 1ft or less, some glassy periods, a few offshores, but the swell just isn’t there. The energy gets down to single digits. A few days of flat to near-flat conditions for Avalon-South.
The real standout comes on Thursday 30 July morning. Now we’re talking. A solid 10ft swell from the SSE, period of 9 seconds, and the combined energy is a massive 1526—that’s serious power. The wind is light SW, cross-offshore, and conditions are clean. But look, at 10ft, this is strictly for experienced surfers only; beginners are going to have a bad time. That’s the pick of the whole forecast. The afternoon gets a bit choppy with an onshore side breeze, so hit it early.
Into Friday 31 July, it’s onshore and rainy with 5ft to 5ft, not great. Saturday 1 August has a leftover SSE swell of 5ft and 538 energy, with a light NNW cross-off in the morning, but it’s nothing compared to Thursday.
After that, we taper off again. By Sunday 2 August, we’re down to 3ft and it’s pretty ordinary. The second week looks mostly small and unexciting, with waves shrinking to 2ft or less, and a few offshore winds can’t make up for the lack of swell. By Thursday 6 August, we’re flat.
So to sum up: don’t bother until Thursday 30 July morning. That’s your day for a proper wave. Everything else is small fry or blown out.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||
AM | 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 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | ENE 8 | ENE 8 | NE 8 | NE 8 | SE 17 | SE 18 | N 4 | SE 7 | SE 7 | SE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 269 | 210 | 168 | 119 | 92 | 45 | 28 | 28 | 14 | 7 | 7 | 7 | 6 | 2 | 2 | 12 | 12 | 31 | 13 | 8 | 7 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | off | off | cross-off | cross-off | cross-off | cross-on | off | off | glassy | cross-off | off | cross-on | off | off | cross-on | cross-off | glassy | cross-on | off |
High Tide | 2:46PM1.29m | 2:56AM0.92m | 3:41PM1.31m | 4:08AM0.88m | 4:36PM1.34m | 5:15AM0.88m | 5:26PM1.39m | 6:09AM0.92m | 6:11PM1.44m | 6:54AM0.96m | 6:53PM1.50m | 7:34AM1.01m | 7:32PM1.55m | ||||||||
Low Tide | 9:28PM0.51m | 8:43AM0.45m | 10:38PM0.48m | 9:37AM0.48m | 11:38PM0.43m | 10:34AM0.49m | 00:26AM0.37m | 11:27AM0.46m | 1:07AM0.31m | 12:14PM0.43m | 1:44AM0.25m | 12:57PM0.39m | 2:19AM0.20m | ||||||||
 |  |  |  | | | | | | | | | | | | | |  | | | | |
 | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — | — | 5:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 16 | 19 | 19 | 12 | 13 | 13 | 11 | 18 | 19 | 13 | 15 | 16 | 14 | 16 | 16 | 15 | 17 | 16 | 15 |
Feels °C | 15 | 18 | 13 | 15 | 14 | 5 | 9 | 9 | 8 | 14 | 17 | 9 | 13 | 14 | 12 | 14 | 13 | 13 | 16 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 10 | S 12 | S 12 | S 11 | S 10 | S 12 | S 11 | S 10 | S 9 | S 9 | S 9 | NNE 4 | S 8 | S 7 | SE 7 |
| kJ | 269 | 210 | 168 | 119 | 92 | 45 | 652 | 1367 | 1389 | 727 | 408 | 583 | 810 | 484 | 334 | 185 | 119 | 16 | 18 | 9 | 7 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 11 | S 10 | SSW 5 | S 9 | SE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | SE 14 | S 8 | SE 7 | SE 7 | S 7 |
| kJ | 17 | 20 | 8 | 3 | 7 | 2 | 28 | 28 | 14 | 7 | 7 | 7 | 6 | 2 | 2 | 2 | 8 | 50 | 13 | 8 | 4 |
Swell 3 Height (m) Direction Period (s) | S 12 | — | — | S 10 | SE 8 | S 18 | E 7 | E 12 | — | E 9 | E 9 | E 8 | — | — | — | SE 17 | SE 18 | SE 8 | NE 4 | SE 15 | S 18 |
| kJ | 11 | — | — | 8 | 3 | 6 | 1 | 3 | — | 2 | 6 | 1 | — | — | — | 12 | 12 | 23 | 3 | 8 | 24 |
Wind waves Height (m) Direction Period (s) | NW 2 | — | WSW 3 | WNW 3 | SW 6 | SSW 7 | S 10 | — | — | W 3 | — | SW 3 | — | — | — | — | NE 2 | N 4 | — | NNE 4 | WSW 3 |
| kJ | 1 | — | 2 | 1 | 8 | 189 | 943 | — | — | 2 | — | 3 | — | — | — | — | 1 | 31 | — | 1 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 2 | 2 | 2 | 2 | 2 | 10 | 2 | 2 | 117 | 0 | 47 | 126 | 128 |
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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