Surf Forecasts:
Avalon-South surf forecast from 15 Jul 2026:
- Best quality surf: Sunday 19 Jul, 10PM (local time) - 6ft (1.8m), 10s period, ENE swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 10AM (local time) - 7ft (2.1m), 11s period, ENE swell with 936 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 10PM (local time) - 6ft (1.8m), 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 Sunday (Jul 19) at 10PM. The primary swell is predicted to be 1.8m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Avalon-South in the next 16 days are 2.1m 11s and forecast to arrive on Sunday (Jul 19) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Jul 16) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 19th Jul) | 6ft (1.8m) 10s |
| Best Surf | 10PM (Sun 19th Jul) | 6ft (1.8m) 10s |
| Most Powerful | 10AM (Sun 19th Jul) | 7ft (2.1m) 11s |
Table - best surf conditions forecast for Avalon-South over the next 16 days.
The Lowdown
Alright, this is Rusty.
Let’s be straight with you. For the next couple of weeks, this stretch of coast isn't exactly going to be firing. The first week is a bit of a write-off, to be honest. We've got a long gap from now, Thursday July 16, right through to Saturday July 19 with just poor surf. Small weak windswell, a lot of rain, and a cross breeze that keeps things messy. You’re not missing a thing. Then on Sunday July 19, it bumps up a little but it's still a marginal, questionable setup.
Now, the first real standout, the one day to circle on the calendar, is Monday July 20 at Avalon-South. It’s not a monster, but it’s clean. We’ll see waves around 6 ft coming out of the ENE. A nice, long 10-second period groundswell pushing decent energy in here (571). But the big story is the wind: a light offshore breeze straight from the west, 3 mph. That’s going to put a real nice face on the waves. This is a beginner-friendly spot, and with that glassy morning, it’s the best call for a proper session. The water temperature is about average for this time of year, so no surprises there.
After that high point, the energy fades again. Tuesday July 21 morning is still worth a look as the swell drops to 5 ft, but it's clean with a light offshore off the NNW. The combined energy is moderate (377). The rest of that week will see the swell slowly petering out. There’s another chance on Wednesday July 22 and Thursday July 23 with small, clean waves at 4 ft and 3 ft, but you’ll be on a log or a funboard. The conditions are clean, just tiny.
By the time we hit the second week, from Friday July 24 right through to the end of the period on July 31, the surf just gives up. We are looking at a long stretch of flat, tiny waves, mostly around 1 ft to 2 ft, with very weak energy (23 to 90). Even though there are a few clean moments with offshore winds, the swell just isn’t there to push anything ridable. It’s a blank run. So if you haven’t got your fill on Monday morning, you’re going to be sitting this one out.
This is Rusty, signing off.
Short Range ForecastModerate rain (total 19mm), heaviest on Thu afternoon. Very mild (max 17°C on Fri night, min 12°C on Wed night). Winds decreasing (fresh winds from the S on Thu morning, light winds from the SE by Thu night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 17°C on Sun morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 7 | S 8 | S 8 | ESE 6 | ESE 6 | E 6 | E 8 | E 7 | E 8 | E 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 33 | 43 | 81 | 111 | 152 | 202 | 561 | 936 | 787 | 616 | 562 | 500 | 433 | 370 | 370 | 410 | 269 | 223 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | glassy | off | cross-on | cross-off | cross-off | cross-on | off | cross-off | cross |
High Tide | 9:45AM1.19m | 9:42PM1.77m | 10:33AM1.22m | 10:29PM1.65m | 11:21AM1.24m | 11:16PM1.49m | 12:10PM1.26m | 00:03AM1.32m | 12:59PM1.27m | 00:53AM1.15m | 1:51PM1.28m | 1:50AM1.02m | 2:46PM1.29m | ||||||||
Low Tide | 3:43AM-0.06m | 3:16PM0.24m | 4:28AM-0.03m | 4:08PM0.28m | 5:11AM0.04m | 5:02PM0.34m | 5:51AM0.13m | 6:00PM0.41m | 6:31AM0.22m | 7:03PM0.47m | 7:11AM0.31m | 8:13PM0.51m | 7:54AM0.39m | ||||||||
 |  | |  |  | | | |  | |  | | | | | | | |  | | | |
 | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — |
 | — | — | 5:04 | — | — | 5:05 | — | — | 5:05 | — | — | 5:06 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 |
mm | — | 1 | 5 | 7 | 2 | 2 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 17 | 16 | 15 | 15 | 15 | 14 | 16 | 16 | 15 | 15 | 15 |
Feels °C | 11 | 10 | 13 | 14 | 14 | 14 | 15 | 13 | 12 | 13 | 14 | 14 | 15 | 14 | 13 | 12 | 15 | 14 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 18 | S 18 | S 7 | S 6 | S 6 | E 8 | E 7 | E 8 | E 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 5 | 6 | 25 | 177 | 81 | 34 | 111 | 152 | 202 | 561 | 936 | 787 | 616 | 562 | 500 | 433 | 370 | 370 | 410 | 269 | 223 |
Swell 2 Height (m) Direction Period (s) | — | — | S 13 | S 18 | E 8 | S 8 | S 10 | S 10 | S 10 | S 9 | S 17 | S 16 | S 13 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | — | — | 3 | 59 | 19 | 21 | 54 | 48 | 46 | 36 | 94 | 124 | 112 | 141 | 134 | 84 | 76 | 48 | 31 | 30 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 8 | S 16 | S 11 | S 5 | S 21 | S 19 | S 18 | S 8 | S 8 | SE 16 | SE 15 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | S 12 |
| kJ | — | — | — | 11 | 19 | 21 | 14 | 34 | 29 | 58 | 21 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 3 |
Wind waves Height (m) Direction Period (s) | S 7 | S 8 | S 8 | ESE 6 | ESE 6 | E 6 | — | S 4 | S 5 | — | — | — | — | — | — | NNE 3 | — | NE 3 | NNE 5 | — | — |
| kJ | 422 | 692 | 680 | 33 | 43 | 81 | — | 13 | 15 | — | — | — | — | — | — | 3 | — | 7 | 44 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 170 | 81 | 7 | 0 | 0 | 0 | 24 | 90 | 0 | 7 | 7 | 0 | 0 | 48 | 0 | 0 | 1 | 0 | 0 | 0 |
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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