Surf Forecasts:
Avalon-South surf forecast from 24 Jul 2026:
- Best quality surf: Friday 24 Jul, 7PM (local time) - 1.5ft (0.4m), 18s period, SSE swell with glassy winds.
- Most powerful swell: Friday 24 Jul, 7PM (local time) - 1.5ft (0.4m), 18s period, SSE swell with 109 kJ wave energy.
- Next surfable swell (1★+): Friday 24 Jul, 7PM (local time) - 1.5ft (0.4m), 18s 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 Friday (Jul 24) at 7PM. The primary swell is predicted to be 0.4m and 18s period with a secondary swell of 0.4m and 8s. 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 0.4m 18s and forecast to arrive on Friday (Jul 24) at 7PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 13s period and expected on Saturday (Jul 25) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 24th Jul) | 1.5ft (0.4m) 18s |
| Best Surf | 7PM (Fri 24th Jul) | 1.5ft (0.4m) 18s |
| Most Powerful | 7PM (Fri 24th Jul) | 1.5ft (0.4m) 18s |
Table - best surf conditions forecast for Avalon-South over the next 16 days.
The Lowdown
Alright, let me break down what’s happening at Avalon-South. Honestly, it’s a rough picture. Over this whole 16-day stretch, the surf is mostly a no-show. Water temp is about 65°, which is pretty standard for the season, so nothing weird there, but that’s the only thing that’s normal.
We’re looking at a big dry spell here. From now all the way through to the morning of Monday, August 3rd, the waves are tiny and the conditions are mostly messy. You’re looking at ankle-to-knee-high slop at best, and most of the time it’s either blown out or just too weak. The combined energy is in the single digits or low tens – hardly enough to move a sea duck.
The only time the ocean even tries to wake up is Monday morning, August 3rd. We get a little bump to about 3ft from the ENE, with a short period of 6 seconds. The combined energy hits 67 – still weak – but we get a light offshore breeze from the NW, so it’ll be clean. It’s not going to win any awards, and I’d call it "surfable but very ordinary." It’s the only window in the whole forecast where you could squeeze out a few soft ones, and it’s strictly for beginners. That swell has no power.
For the rest of the summer run, it’s a washout. Long gaps with nothing ridable. Forecasts can always change, and the area doesn’t usually stay this flat forever, but right now, I’d leave the stick at home and find something else to do.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Warm (max 20°C on Tue morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | SE 13 | SE 14 | SE 16 | SE 7 | SE 7 | SE 7 | SE 13 | E 13 | E 8 | E 12 | E 12 | E 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 28 | 28 | 24 | 17 | 7 | 7 | 6 | 6 | 2 | 7 | 8 | 10 | 9 | 8 | 2 | 7 | 3 | 1 | 3 | 3 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | off | off | glassy | off | cross-off | cross-on | off | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off |
High Tide | 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 | 8:11AM1.05m | 8:08PM1.58m | 8:47AM1.10m | 8:43PM1.58m | ||||||||
Low Tide | 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 | 1:38PM0.36m | 2:53AM0.16m | 2:17PM0.34m | 3:24AM0.14m | ||||||||
 | |  | | | | | | | | | | | | | |  |  | | | | |
 | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — | — | 5:12 | — | — | 5:12 | — | — | 5:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — |
Temp °C | 14 | 13 | 12 | 17 | 18 | 15 | 16 | 16 | 15 | 16 | 16 | 15 | 20 | 20 | 14 | 15 | 14 | 14 | 14 | 14 | 13 |
Feels °C | 10 | 10 | 9 | 14 | 16 | 11 | 13 | 13 | 15 | 14 | 14 | 14 | 17 | 17 | 10 | 10 | 9 | 10 | 8 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 11 | S 13 | S 11 | S 10 | S 11 | S 11 | S 10 | S 10 | S 9 | S 9 | S 8 | S 9 | S 8 | S 8 | SE 6 | E 8 | S 16 | S 10 | S 9 | S 9 |
| kJ | 436 | 826 | 1862 | 771 | 400 | 533 | 841 | 613 | 363 | 230 | 153 | 80 | 52 | 22 | 12 | 2 | 1 | 5 | 676 | 436 | 334 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | SE 14 | SE 16 | SE 7 | SE 7 | SE 7 | SE 13 | E 13 | S 13 | E 12 | E 12 | E 10 |
| kJ | 28 | 28 | 24 | 17 | 7 | 7 | 6 | 6 | 2 | 2 | 8 | 10 | 9 | 7 | 2 | 7 | 3 | 3 | 3 | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | E 7 | S 19 | — | E 9 | E 8 | E 8 | — | — | — | SE 13 | NE 7 | SE 9 | SE 14 | SE 15 | S 14 | S 16 | S 13 | E 8 | E 12 | E 10 | E 14 |
| kJ | 1 | 64 | — | 2 | 6 | 1 | — | — | — | 7 | 2 | 3 | 8 | 8 | 16 | 5 | 4 | 1 | 3 | 2 | 4 |
Wind waves Height (m) Direction Period (s) | W 4 | — | — | W 3 | — | SW 4 | — | — | — | — | — | NNE 3 | — | — | W 3 | SW 6 | S 8 | S 8 | — | — | — |
| kJ | 5 | — | — | 5 | — | 23 | — | — | — | — | — | 3 | — | — | 5 | 29 | 382 | 263 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 10 | 2 | 2 | 2 | 3 | 2 | 10 | 2 | 2 | 29 | 2 | 2 | 43 | 65 | 170 | 400 | 3 | 3 | 7 | 2 |
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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