Surf Forecasts:
Cudmirrah Reef surf forecast from 11 Aug 2026:
- Best quality surf: Thursday 13 Aug, 7AM (local time) - 6ft (1.8m), 8s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 11 Aug, 4PM (local time) - 6ft (1.8m), 11s period, S swell with 743 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 4AM (local time) - 4.5ft (1.3m), 10s period with S swell.
Best Forecast Surf Conditions for Cudmirrah Reef this week:
The surf forecast for Cudmirrah Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 4AM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cudmirrah Reef in the next 16 days are 1.8m 11s and forecast to arrive on Tuesday (Aug 11) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Wednesday (Aug 12) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Wed 12th Aug) | 4.5ft (1.3m) 10s |
| Best Surf | 7AM (Thu 13th Aug) | 6ft (1.8m) 8s |
| Most Powerful | 4PM (Tue 11th Aug) | 6ft (1.8m) 11s |
Table - best surf conditions forecast for Cudmirrah Reef over the next 16 days.
The Lowdown
Alright, Rusty here.
Let's talk about Cudmirrah Reef. It's a rocky slab that's exposed to swell and can handle a fair bit of size, but we're looking at a bit of a mixed bag over the next couple of weeks. The water temp is around 63°F, which is pretty normal for this time of year.
The first real chance of anything decent doesn't come until Thursday the 13th in the morning. We've got a clean 6ft swell rolling in from the south, with a period of 8 seconds. The wind is glassy – dead calm out of the WNW at just 3 mph. That's a rare sweet spot. The combined swell energy is a solid moderate (713), so there's some push behind it. This is your best shout in the whole outlook. It’s not a massive groundswell, but it'll be clean and surfable. Keep in mind, this is a very consistent reef break, so it should be working.
After that, things get pretty ordinary. Friday the 14th morning has some ankle-to-knee high glassy waves at 3ft, but the energy is weak (149) and it's pretty average. The rest of that week and into the next is a write-off, with onshore winds and choppy conditions dominating. You'll see a long stretch of poor conditions from Friday afternoon right through the following week.
There’s a distant glimmer on Tuesday the 25th of August, but it's far out and uncertain. A 8ft south swell shows up, with a period of 9 seconds and moderate cross-shore wind. The combined energy is very strong (1796), but with 16 mph winds and chop, it’s only really for the experts and looks more like a kite session than a fun paddle.
So, to sum it up: Thursday the 13th morning is your window. A glassy, clean 6ft south swell at Cudmirrah Reef. After that, you're waiting a long time.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Tue morning, min 10°C on Tue night). Winds decreasing (fresh winds from the W on Tue night, calm by Thu morning). | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Sat night. Very mild (max 15°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
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) | S 10 | S 11 | S 10 | S 9 | S 8 | S 8 | S 8 | S 7 | S 9 | S 8 | S 7 | S 6 | S 7 | S 7 | SSE 6 | SSE 6 | SE 6 | SE 7 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 627 | 743 | 377 | 155 | 86 | 43 | 464 | 127 | 127 | 103 | 138 | 141 | 295 | 217 | 160 | 176 | 172 | 204 | 256 | 208 | 301 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | off | glassy | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | on | glassy |
High Tide | 7:00PM1.70m | 7:54AM1.16m | 7:51PM1.72m | 8:39AM1.22m | 8:38PM1.69m | 9:23AM1.26m | 9:23PM1.61m | 10:04AM1.30m | 10:07PM1.48m | 10:46AM1.32m | 10:51PM1.33m | 11:27AM1.32m | 11:36PM1.18m | ||||||||
Low Tide | 12:30PM0.31m | 1:51AM-0.01m | 1:24PM0.26m | 2:36AM-0.03m | 2:16PM0.23m | 3:17AM-0.01m | 3:05PM0.23m | 3:56AM0.05m | 3:55PM0.25m | 4:33AM0.13m | 4:46PM0.30m | 5:08AM0.22m | 5:38PM0.36m | ||||||||
 | |  |  | | | | | | | |  | |  |  | | | | | |  | |
 | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — |
 | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — | — | 5:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | 3 | 2 | — | 3 | 1 | 1 | — |
Temp °C | 19 | 17 | 12 | 18 | 18 | 13 | 16 | 15 | 12 | 15 | 15 | 13 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 15 | 12 | 5 | 12 | 13 | 9 | 13 | 12 | 9 | 12 | 12 | 11 | 10 | 10 | 11 | 11 | 10 | 13 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 11 | S 10 | S 9 | S 8 | S 8 | S 8 | S 7 | S 9 | S 8 | S 7 | ENE 9 | ENE 9 | ENE 9 | S 10 | S 8 | S 10 | S 9 | ESE 7 | S 8 | S 8 |
| kJ | 627 | 743 | 377 | 155 | 86 | 43 | 213 | 127 | 127 | 103 | 77 | 17 | 17 | 17 | 31 | 34 | 54 | 61 | 256 | 35 | 22 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | S 15 | SE 14 | S 19 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 8 | ENE 9 | S 12 |
| kJ | 86 | 85 | 55 | 55 | 48 | 29 | 32 | 29 | 17 | 18 | 18 | 18 | 8 | 7 | 18 | 18 | 20 | 10 | 35 | 28 | 11 |
Swell 3 Height (m) Direction Period (s) | NNE 9 | NE 9 | NNE 9 | S 14 | S 14 | SE 8 | SE 12 | S 10 | SE 11 | S 19 | S 19 | SE 9 | SE 8 | E 7 | S 17 | S 15 | S 18 | S 17 | ENE 9 | — | — |
| kJ | 8 | 19 | 8 | 4 | 4 | 2 | 6 | 2 | 4 | 28 | 64 | 3 | 2 | 1 | 23 | 17 | 6 | 5 | 28 | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | — | WSW 4 | W 4 | WSW 3 | WSW 4 | S 8 | — | — | — | S 7 | S 6 | S 7 | S 7 | SSE 6 | SSE 6 | SE 6 | SE 7 | — | ESE 7 | ESE 7 |
| kJ | 8 | — | 43 | 13 | 4 | 9 | 464 | — | — | — | 138 | 141 | 295 | 217 | 160 | 176 | 172 | 204 | — | 208 | 301 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 2 | 7 | 2 | 7 | 0 | 0 | 10 | 0 | 0 | 17 | 7 | 17 | 17 | 108 | 17 | 17 | 10 | 7 | 17 | 0 |
Best forecast wave conditions in South Coast - New South Wales | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Cudmirrah Reef Surf forecast
The above surf forecast table for Cudmirrah Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cudmirrah Reef can be found by selecting the local surf guide option on the grey menu. Our Cudmirrah Reef 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 (Cudmirrah Reef) 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 Cudmirrah Reef 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 South Coast - New South Wales? If you are looking for accommodation near Cudmirrah Reef, camping, hotels and holiday cottages in South Coast - New South Wales, consider staying in Nowra which is 34 km (21 miles) away. Other places in and around South Coast - New South Wales where you can find information about places to rent, and car hire include Port Kembla which is 82 km (51 miles) away, Wollongong and Goulburn.
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