
Surf Forecasts:
Cunns surf forecast from 30 Jul 2026:
- Best quality surf: Monday 3 Aug, 9AM (local time) - 5.5ft (1.7m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 2 Aug, 6PM (local time) - 7ft (2.1m), 15s period, SW swell with 1,784 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 3PM (local time) - 4.5ft (1.3m), 13s period with SW swell.
Best Forecast Surf Conditions for Cunns this week:
The surf forecast for Cunns over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 30) at 3PM. The primary swell is predicted to be 1.3m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cunns in the next 16 days are 2.1m 15s and forecast to arrive on Sunday (Aug 02) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Saturday (Aug 01) at 3AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Thu 30th Jul) | 4.5ft (1.3m) 13s |
| Best Surf | 9AM (Mon 3rd Aug) | 5.5ft (1.7m) 14s |
| Most Powerful | 6PM (Sun 2nd Aug) | 7ft (2.1m) 15s |
Table - best surf conditions forecast for Cunns over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s comin’ down the pipe for this stretch of coast.
Right off the bat, we’ve got a little swell on the way to Cunns (a reef break) starting Thursday, July 30th. It’s not huge, but it’s got some solid SW groundswell with a 13-second period, so there’s some proper push behind it. The water temp is sitting at 60°, which is pretty much spot on for this time of year – nothin’ unusual there. The morning of the 30th is looking clean with a gentle cross-off breeze from the ENE, and the swell is around 5ft. The combined energy is moderate at 784, so it’s got a bit of grunt. This is a good one for the advanced crew – the reef’s inconsistent, so you gotta be patient, but when it lines up, it’ll be worth it. The afternoon holds up too, with a mellow 4ft and a light SSE cross-off.
Friday the 31st fades a bit. The swell drops to 3ft, and the wind goes cross-shore from the NNE, so it gets a bit bumpy. Not the day to call in sick for.
Saturday, August 1st, is a write-off. The wind howls out of the north at 22 mph in the morning, even stronger in the afternoon, and the swell gets messy. The energy jumps up to 886 and then 1091, but with that cross-chop, it’s a kook’s breakfast. Leave it.
Sunday the 2nd stays sketchy. The swell bumps back to 4ft in the morning, 5ft in the afternoon, but the wind’s cross-onshore and the period’s still decent at 15 seconds. The verdict is poor surf – the wind’s just ruining the face.
Now, here’s where it gets interesting. Monday, August 3rd, is a standout. The morning is clean with a light S cross-off breeze, and the swell is a solid 6ft, coming from the SW with a 14-second period. The combined energy is up at 1163 (strong). This is excellent surf for experienced surfers. The afternoon is just as good at 5ft. This is the best window in the first week – get out there.
Tuesday the 4th is a letdown. The swell drops to 4ft, and the wind swings around, making it mediocre. Wednesday the 5th is a mixed bag, but the afternoon is a gem: a light SE cross-off, the swell is 4ft, but the period is long at 17 seconds, and the energy is 1098. Clean, lined-up waves for the experienced.
Thursday, August 6th, is another absolute standout. The morning has a full offshore from the SE at 9 mph, with a 5ft SW swell at 16 seconds. The combined energy is 1111. This is glassy, clean, and powerful – a proper session for the advanced crew. The afternoon holds up too, though it’s a cross-off.
Friday the 7th and Saturday the 8th are blown out again. The wind goes nuts, with strong breezes and cross-onshore junk. The swell gets bigger, but it’s a mess.
The second week gets a bit wild. From Sunday the 9th through Tuesday the 11th, the swell is big – 8ft to 10ft – but it’s accompanied by near-gale force winds. The combined energy hits 6615 on the 9th, which is very strong, but it’s pure chaos. This is kite-surfing territory, not paddle surfing. The breaks are onshore and blown out.
Wednesday the 12th has a little moment in the afternoon: the wind goes glassy, and there’s a 7ft SW swell with an 11-second period. The energy is 1385. For the experienced crowd, if you can find a sheltered corner, this could be a gem. But it’s a single window.
After that, from the 13th into the 14th, it’s back to strong winds and messy conditions. The swell is still there, but it’s not worth paddling out for.
Overall, the best on offer is Monday, August 3rd, and Thursday, August 6th. Both have clean, offshore winds, solid SW groundswell, and strong energy. The water’s average temp, the reef’s inconsistent, but when it’s on, it’s on. Don’t sleep on that Monday.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 12°C on Thu morning). Winds increasing (light winds from the E on Thu morning, fresh winds from the N by Sat morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Tue afternoon, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | |||||||||||||||
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) | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 18 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 | SW 16 | SW 14 | SW 14 | SW 13 | SW 13 | SW 15 | SW 15 | SW 18 | SW 17 | SW 17 |
Wave Graph | |||||||||||||||||||||
784 | 581 | 431 | 299 | 327 | 307 | 861 | 1081 | 1029 | 831 | 1155 | 1602 | 1163 | 961 | 609 | 466 | 499 | 355 | 1087 | 1074 | 1014 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross | cross-off | cross-off | off | cross-off | cross | cross-off | cross | cross-off | cross-off |
High Tide | 1:00PM1.41m | 1:08AM0.91m | 1:22PM1.42m | 1:30AM0.97m | 1:44PM1.40m | 1:55AM1.02m | 2:06PM1.33m | 2:21AM1.04m | 2:27PM1.22m | 2:48AM1.04m | 2:45PM1.07m | 3:17AM1.01m | 2:52PM0.90m | ||||||||
Low Tide | 7:33PM0.07m | 6:50AM0.01m | 7:50PM0.04m | 7:16AM-0.00m | 8:08PM0.03m | 7:44AM0.02m | 8:27PM0.04m | 8:13AM0.09m | 8:45PM0.08m | 8:43AM0.19m | 9:00PM0.13m | 9:12AM0.35m | 9:08PM0.19m | ||||||||
7:28 | — | — | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — | 7:24 | — | — | 7:24 | — | — | |
— | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 15 | 17 | 16 | 16 | 19 | 18 | 15 | 15 | 14 | 15 | 14 | 14 | 15 | 18 | 17 | 20 | 21 | 19 |
Feels °C | 10 | 10 | 9 | 10 | 12 | 10 | 8 | 13 | 11 | 10 | 10 | 10 | 12 | 10 | 10 | 10 | 14 | 12 | 15 | 18 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 | SW 16 | SW 14 | SW 14 | SW 13 | SW 13 | SW 15 | SW 15 | SW 18 | SW 17 | SW 17 |
784 | 581 | 431 | 299 | 327 | 261 | 861 | 1081 | 1029 | 831 | 1155 | 1602 | 1163 | 961 | 609 | 466 | 499 | 355 | 1087 | 1074 | 1014 | |
Swell 2 Height (m) Direction Period (s) | — | — | SW 22 | SW 21 | SW 20 | SW 18 | S 8 | — | — | — | — | — | — | SW 18 | SW 17 | — | SW 22 | SW 20 | S 9 | S 8 | S 8 |
— | — | 19 | 71 | 239 | 307 | 5 | — | — | — | — | — | — | 81 | 179 | — | 73 | 259 | 24 | 12 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 21 | S 9 | — | — | — | — | — | — | — | — | — | — | — | SW 21 | S 8 | — | — | — |
— | — | — | 110 | 38 | — | — | — | — | — | — | — | — | — | — | — | 117 | 37 | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 3 | — | — | N 4 | NW 4 | N 4 | WNW 5 | SW 15 | SW 16 | — | — | — | NE 3 | — | ENE 3 | NNW 4 | NW 4 | WSW 5 |
— | — | — | 2 | — | — | 20 | 10 | 14 | 23 | 1048 | 62 | — | — | — | 3 | — | 3 | 37 | 12 | 17 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 401 | 506 | 564 | 1035 | 652 | 940 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Nullarbor | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Cunns Surf forecast
The above surf forecast table for Cunns provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cunns can be found by selecting the local surf guide option on the grey menu. Our Cunns 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 (Cunns) 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 Cunns 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 Nullarbor? If you are looking for accommodation near Cunns, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 64 km (40 miles) away.










