Surf Forecasts:
Acids surf forecast from 31 Aug 2026:
- Best quality surf: Sunday 6 Sep, 7AM (local time) - 3ft (0.9m), 11s period, S swell with offshore winds.
- Most powerful swell: Monday 7 Sep, 4AM (local time) - 3ft (0.9m), 11s period, S swell with 209 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 7AM (local time) - 2.5ft (0.8m), 11s period with S swell.
Best Forecast Surf Conditions for Acids this week:
The surf forecast for Acids over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 7AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Acids in the next 16 days are 0.9m 11s and forecast to arrive on Monday (Sep 07) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (Sep 05) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 1st Sep) | 2.5ft (0.8m) 11s |
| Best Surf | 7AM (Sun 6th Sep) | 3ft (0.9m) 11s |
| Most Powerful | 4AM (Mon 7th Sep) | 3ft (0.9m) 11s |
Table - best surf conditions forecast for Acids over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming our way.
Overall, this stretch is pretty flat and quiet. We’ve got a long wait on our hands before anything really gets going. For the first week and a half, there’s not much to get excited about. The waves are small, the conditions are ordinary, and there’s a lot of poor surf. You’ll be looking at a solid gap of several days with no real recommendation until we hit the second week.
That brings us to the one true standout of the entire 16-day window. It’s all about Wednesday, September 9th at Acids. This is a reef break that is fairly consistent here. Early that morning, we’re looking at a hefty 10ft swell coming in from the south. The combined energy is huge, clocking in at 3263 – that’s serious power. The wind will be glassy, dead calm, making for absolutely perfect conditions. But I gotta be real with you – at that size, this break is only for the experts. The swell is hitting directly from the south, and with that kind of size on a reef, you need to know what you’re doing. The water temp is about average for this time of year, so nothing wild there. Later that afternoon the swell drops to 8ft from the SSE, but the wind turns onshore, so the morning is the moment.
Before that day, expect nothing but small, weak surf. The best of the rest is just ordinary knee-high stuff with light winds on the morning of Sunday, September 6th, showing a 3ft south swell and glassy conditions, but it’s barely worth paddling out for. After that big morning on the 9th, we drop right back down to tiny waves and poor conditions for the rest of the run.
In short, don't bother for the first week. Mark your calendar for the morning of the 9th if you’re a seasoned charger and keep an eye on the wind. For the rest of us, it’s a waiting game.
Stay frothy.
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 13°C on Mon night). Winds increasing (light winds from the NNW on Mon night, fresh winds from the W by Thu afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 11°C on Sat night). Winds decreasing (strong winds from the WNW on Sat afternoon, calm by Sun morning). | ||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | S 9 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | S 8 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 101 | 149 | 138 | 98 | 77 | 73 | 49 | 62 | 34 | 33 | 110 | 45 | 55 | 41 | 26 | 16 | 104 | 45 | 168 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-on | cross-off | cross-off | off | off | glassy | cross-on | cross-off |
High Tide | 10:11PM1.34m | 10:43AM1.40m | 10:57PM1.23m | 11:29AM1.41m | 11:50PM1.11m | 12:22PM1.40m | 00:57AM1.01m | 1:27PM1.40m | 2:19AM0.94m | 2:40PM1.42m | 3:47AM0.95m | 3:54PM1.47m | |||||||
Low Tide | 4:23AM0.18m | 4:58PM0.28m | 5:01AM0.25m | 5:56PM0.31m | 5:46AM0.32m | 7:05PM0.34m | 6:41AM0.40m | 8:25PM0.34m | 7:50AM0.45m | 9:47PM0.30m | 9:09AM0.46m | 10:57PM0.22m | |||||||
 |  | |  | | | | | | | | | |  | | | | | | |
 | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — |
 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 25 | 23 | 18 | 26 | 25 | 19 | 21 | 21 | 15 | 20 | 20 | 16 | 25 | 24 | 17 | 17 | 16 | 14 |
Feels °C | 12 | 20 | 20 | 16 | 22 | 22 | 15 | 17 | 16 | 10 | 15 | 15 | 14 | 19 | 17 | 13 | 13 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | S 8 | S 7 | NE 6 | NE 6 | ENE 6 | S 9 | S 8 | SSE 13 |
| kJ | 101 | 149 | 138 | 98 | 77 | 73 | 49 | 62 | 34 | 33 | 110 | 45 | 27 | 32 | 19 | 16 | 104 | 45 | 168 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | NE 4 | NE 6 | NE 6 | NE 6 | ENE 10 | NE 6 | NE 6 | ENE 10 | NE 7 | ENE 10 | S 10 | S 9 | S 9 | S 9 | NE 6 | S 12 | S 8 |
| kJ | 16 | 15 | 16 | 19 | 12 | 8 | 19 | 11 | 14 | 19 | 8 | 9 | 55 | 41 | 26 | 14 | 6 | 23 | 46 |
Swell 3 Height (m) Direction Period (s) | ENE 3 | E 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | SSE 12 | ENE 10 | ENE 10 | NE 7 | ENE 10 | SSE 12 | NE 4 | E 9 | E 9 | E 11 | E 11 | E 11 | ENE 4 |
| kJ | 1 | 10 | 22 | 20 | 19 | 19 | 30 | 18 | 19 | 7 | 19 | 14 | 5 | 7 | 6 | 9 | 9 | 9 | 6 |
Wind waves Height (m) Direction Period (s) | — | NNE 4 | NE 5 | N 2 | NNW 2 | — | NW 3 | WNW 2 | WSW 3 | WSW 3 | — | ENE 3 | — | NNW 3 | WNW 4 | SW 2 | — | ENE 6 | NE 4 |
| kJ | — | 1 | 54 | 1 | 1 | — | 2 | 1 | 6 | 4 | — | 6 | — | 2 | 24 | 1 | — | 12 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 5 | 5 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 105 | 17 | 0 | 88 | 0 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Acids Surf forecast
The above surf forecast table for Acids provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Acids can be found by selecting the local surf guide option on the grey menu. Our Acids 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 (Acids) 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 Acids 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.
Are you planning a holiday in Illawarra? If you are looking for accommodation near Acids, camping, hotels and holiday cottages in Illawarra, consider staying in Wollongong which is 3 km (2 miles) away. Other places in and around Illawarra where you can find information about places to rent, and car hire include Port Kembla which is 9 km (6 miles) away, Engadine, Caringbah and Cronulla.
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