
Surf Forecasts:
Cunns surf forecast from 2 Sep 2026:
- Best quality surf: Thursday 3 Sep, 9PM (local time) - 7ft (2.1m), 15s period, SW swell with offshore winds.
- Most powerful swell: Saturday 5 Sep, 6AM (local time) - 8ft (2.5m), 14s period, SW swell with 2,509 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 9PM (local time) - 7ft (2.1m), 15s 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 (Sep 03) at 9PM. The primary swell is predicted to be 2.1m and 15s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Cunns in the next 16 days are 2.5m 14s and forecast to arrive on Saturday (Sep 05) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Monday (Sep 07) at 6AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 3rd Sep) | 7ft (2.1m) 15s |
| Best Surf | 9PM (Thu 3rd Sep) | 7ft (2.1m) 15s |
| Most Powerful | 6AM (Sat 5th Sep) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Cunns over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it.
Alright, I’m looking at a long sixteen-day window and to be honest, it’s a bit of a mixed bag. We’ve got a solid, consistent groundswell pulse from the SW, but for a lot of the run, the wind is going to be a real pain. There’s a period in the middle where it cleans right up, and a couple of days toward the end that look very promising indeed.
Our only real option on the table is Cunns. This is a reef break, and it’s an inconsistent one, so when it’s on, it’s on, but it can be quiet. This run starts with a bit of a wait, but the first surf worth mentioning kicks off Thursday morning, September 3rd. Thursday morning has a clean 5.2ft SW swell with a 14-second period, and a light offshore breeze from the NW. The combined energy is moderate (1033). It’s small but clean, so a good session for the experienced crew who know the reef.
The swell builds through Friday, hitting 6.9ft to 7.9ft, but the wind goes cross-on and gets strong, so that’s a write-off. Saturday sees a similar story – a solid 8.2ft SW swell, but the wind is howling cross-on, making it lumpy. Saturday afternoon the wind backs off a little, but it’s still cross-shore and choppy.
Now, Sunday September 6th is where it gets interesting. The morning is clean with a cross-off breeze from the ENE and a 5.6ft SW swell (period 14s). The energy is moderate (1091). But the standout is Sunday afternoon. The wind switches to a light offshore from the SE, the swell drops to 4.6ft but holds that long period, and the conditions are clean. The combined energy is moderate (802). This is the pick of the first week. Clean, glassy, and a proper long-period groundswell – this reef will be working beautifully.
Through early next week, Monday September 7th and Tuesday 8th, the swell drops away but the wind stays offshore. Wave energy is low (243-360) on Monday, so it’s small and clean, but the Tuesday morning September 8th sees a jump in swell back to 4.9ft with a very long 17-second period. The energy is moderate (1502). The wind is strong offshore, so it’ll be clean but a bit blowy.
The second week gets messy again from the 10th onwards with strong cross and cross-on winds. The swell is still in the 3.9ft-5.9ft range, but the wind ruins it. There’s a glimmer on Monday September 14th afternoon with a clean cross-off breeze and a 5.9ft SW swell at 17 seconds. The energy is moderate (1827). That’s another good session.
But the real highlight, the one to circle on the calendar, is Tuesday September 15th. The morning is glassy. No wind. A 5.9ft SW swell with a 15-second period. The energy is moderate (1344). The conditions are described as excellent for experienced surfers. This is the best of the run. If you can get out there, this is the one. The afternoon is a bit of a drop-off with a cross-shore breeze, but the morning is a gem.
After that, the wind turns onshore again and the last few days are a no-go.
So, the long and short of it: a lot of wind junk, but a few clear windows. The standouts are Sunday afternoon September 6th and Tuesday morning September 15th. The Tuesday morning session is the best one on offer.
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Warm (max 25°C on Fri morning, min 13°C on Sat afternoon). Winds increasing (light winds from the WNW on Wed night, fresh winds from the WSW by Fri night). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sun night. Warm (max 20°C on Sun afternoon, min 10°C on Sat night). Winds increasing (light winds from the SE on Sat night, strong winds from the ESE by Mon night). | ||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 18 | SW 17 | SW 16 | SW 16 |
Wave Graph | |||||||||||||||||||
1171 | 1033 | 1220 | 1857 | 1932 | 2490 | 2264 | 2094 | 2190 | 1770 | 1091 | 802 | 345 | 171 | 212 | 1483 | 1282 | 943 | 710 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 2:38AM1.18m | 1:55PM0.86m | 2:56AM1.07m | 1:20PM0.80m | 3:04AM0.92m | 12:18PM0.85m | 2:38AM0.77m | 11:43AM0.99m | 1:29AM0.68m | 11:44AM1.13m | 00:44AM0.70m | 11:57AM1.23m | 00:28AM0.79m | ||||||
Low Tide | 8:42AM0.36m | 8:05PM0.07m | 8:45AM0.54m | 7:54PM0.11m | 7:58AM0.69m | 7:31PM0.13m | 6:09AM0.69m | 7:06PM0.13m | 5:24AM0.54m | 6:51PM0.12m | 5:29AM0.37m | 6:45PM0.11m | |||||||
— | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | |
6:21 | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — | — | 6:23 | — | — | 6:24 | — | |
mm | — | — | — | — | 1 | 2 | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — |
Temp °C | 14 | 17 | 17 | 17 | 25 | 20 | 16 | 14 | 14 | 12 | 18 | 20 | 14 | 13 | 14 | 14 | 14 | 13 | 13 |
Feels °C | 10 | 14 | 14 | 15 | 20 | 15 | 11 | 8 | 10 | 10 | 14 | 16 | 8 | 6 | 8 | 7 | 8 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | — | — | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 18 | SW 17 | SW 16 | SW 16 |
1171 | 1033 | 1220 | 1857 | 1932 | 2490 | — | — | 2190 | 1770 | 1091 | 802 | 345 | 171 | 212 | 1483 | 1282 | 943 | 710 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 23 | SW 21 | SW 20 | — | S 8 | S 8 | SSW 9 |
— | — | — | — | — | — | — | — | — | — | — | — | 21 | 72 | 148 | — | 1 | 132 | 166 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | SW 14 | E 3 | N 2 | SW 15 | SW 15 | SW 13 | SW 14 | — | ENE 3 | ENE 3 | SSE 5 | SE 6 | SE 5 | SE 6 | SSE 8 | SSE 8 | — |
— | — | 51 | 5 | 1 | 1761 | 2264 | 2094 | 51 | — | 7 | 2 | 102 | 192 | 113 | 133 | 219 | 327 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1048 | 0 | 648 | 0 | 648 | 564 | 1048 | 940 | 1197 | 0 | 0 | 0 | 287 | 552 | 1623 | 361 | 243 | 243 | 1527 |
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.










