Surf Forecasts:
Cudmirrah Reef surf forecast from 4 Sep 2026:
- Best quality surf: Monday 7 Sep, 1AM (local time) - 7ft (2.2m), 8s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 7PM (local time) - 11ft (3.5m), 9s period, S swell with 1,793 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 4AM (local time) - 2.5ft (0.7m), 9s 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 Saturday (Sep 05) at 4AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.3m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Cudmirrah Reef in the next 16 days are 3.5m 9s and forecast to arrive on Wednesday (Sep 09) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Sunday (Sep 06) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 5th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 1AM (Mon 7th Sep) | 7ft (2.2m) 8s |
| Most Powerful | 7PM (Wed 9th Sep) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Cudmirrah Reef over the next 16 days.
The Lowdown
G’day, Rusty here. We’ve only got one spot on the radar this period – Cudmirrah Reef – and it’s a bit of a mixed bag. This is an advanced reef break that needs the right conditions to really fire, and for the next few days, we’re mostly waiting. The first bit of Saturday (5th September) is small and messy, with a weak 2ft south swell and a cross-off breeze that won’t do much for shape. You’d be better off staying on the sand.
Sunday the 6th sees a spike in size, but it’s a messy 8ft south swell with a 10-second period and a choppy cross-onshore wind – that’s a no-go. The water temp is about average for this time of year.
Now, here’s where it gets interesting. Monday morning (7th September) is a standout for the early crew. We’ve got clean 3.5ft south swell, 9-second period, and glassy conditions. The combined energy is moderate (306) and it’ll be clean as a whistle. Cudmirrah Reef (NSW) is an exposed spot, and the optimum swell direction is SE, so that south swell works but isn’t perfect. Still, glassy offshore mornings like this don’t come around often.
The real highlight, though, is Tuesday morning (8th September). We’re looking at a solid 7ft SSE swell with a long 11-second period. Wave energy is strong at 1057, and the wind is dead glass. This is excellent surf for experienced surfers only – over 8ft it’s expert territory, and this is close. The long period makes it a proper groundswell, and reef breaks handle that beautifully, though it can feel a bit straight at times. Crowds are possible here.
The rest of the first week is a write-off: Wednesday and Thursday bring onshore slop and big lumpy stuff, with no real windows of quality. Friday morning (11th) offers a small reprieve – clean 4.5ft south swell with glassy conditions, but it’s only a brief window.
The second week is patchy. Sunday (13th September) morning shows a small 3ft south swell with a very long 14-second period and glassy conditions – a promising, clean session but low in size. Tuesday (15th) and Wednesday (16th) are mostly small and ordinary. The silver lining comes Thursday morning (17th September): clean 4ft SSE swell with dead calm glass and moderate energy (230). It’s not a big day, but it’ll be fun on the right board.
If you’re after the pick: Tuesday 8th September morning is the standout, with Monday 7th and Thursday 17th as solid backup. Conditions are patchy, so pick your windows carefully. Over to you.
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Warm (max 27°C on Sat morning, min 12°C on Sun night). Winds decreasing (fresh winds from the W on Sat night, calm by Mon morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Tue morning, min 9°C on Wed night). Winds increasing (calm on Tue morning, fresh winds from the S by Wed morning). | ||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||
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 9 | S 9 | S 9 | SW 5 | S 10 | S 8 | S 9 | SSE 8 | S 9 | SSE 11 | SSE 10 | SSE 9 | SSE 9 | S 8 | S 9 | S 9 | S 12 | S 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 94 | 61 | 43 | 27 | 55 | 1043 | 639 | 185 | 273 | 1271 | 1051 | 772 | 352 | 287 | 1161 | 1500 | 707 | 976 | 440 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross | cross-on | cross-off | glassy | on | cross-on | glassy | cross | cross-off | cross-on | cross-on | cross | cross-on | on | cross-off |
High Tide | 2:26AM0.95m | 2:39PM1.41m | 3:51AM0.95m | 3:52PM1.46m | 5:03AM1.00m | 4:58PM1.52m | 6:00AM1.08m | 5:55PM1.57m | 6:48AM1.17m | 6:46PM1.60m | 7:31AM1.25m | 7:33PM1.59m | |||||||
Low Tide | 7:52AM0.48m | 9:47PM0.28m | 9:10AM0.48m | 10:57PM0.21m | 10:24AM0.44m | 11:54PM0.14m | 11:28AM0.38m | 00:42AM0.08m | 12:24PM0.30m | 1:25AM0.05m | 1:16PM0.24m | 2:04AM0.05m | |||||||
 |  |  |  |  | | | | | | | | |  | |  | | | | |
 | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — |
 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 27 | 26 | 17 | 19 | 18 | 15 | 17 | 16 | 13 | 15 | 15 | 13 | 15 | 13 | 12 | 13 | 13 | 13 |
Feels °C | 14 | 24 | 22 | 12 | 14 | 14 | 13 | 16 | 13 | 7 | 11 | 11 | 10 | 10 | 6 | 5 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | NE 5 | ENE 6 | NE 7 | NE 7 | S 8 | S 9 | SE 10 | NE 10 | SSE 11 | SSE 10 | SSE 9 | NNE 4 | S 21 | S 18 | S 23 | S 12 | S 10 |
| kJ | 94 | 61 | 23 | 27 | 13 | 8 | 466 | 185 | 44 | 4 | 1051 | 772 | 352 | 2 | 34 | 25 | 40 | 976 | 440 |
Swell 2 Height (m) Direction Period (s) | NE 8 | E 10 | S 9 | S 9 | S 9 | E 11 | NE 7 | SE 8 | NE 8 | NE 8 | E 11 | SE 10 | E 10 | S 17 | NE 17 | E 17 | E 16 | S 23 | S 22 |
| kJ | 15 | 7 | 43 | 27 | 15 | 9 | 2 | 119 | 2 | 2 | 2 | 16 | 2 | 6 | 11 | 5 | 5 | 166 | 82 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | NNE 7 | E 9 | E 11 | E 11 | — | E 10 | E 10 | E 10 | — | NE 11 | E 10 | NE 9 | S 17 | — | — | NE 16 | E 16 | E 15 |
| kJ | 9 | 5 | 7 | 2 | 2 | — | 2 | 2 | 2 | — | 4 | 2 | 3 | 6 | — | — | 10 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | NW 2 | NNE 2 | WNW 3 | W 4 | SW 5 | S 10 | S 8 | — | SSE 8 | S 9 | — | — | NNE 4 | SSE 9 | S 8 | S 9 | S 9 | — | — |
| kJ | 2 | 1 | 5 | 43 | 55 | 1043 | 639 | — | 273 | 1271 | — | — | 6 | 287 | 1161 | 1500 | 707 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 50 | 0 | 7 | 64 | 17 | 0 | 0 | 17 | 17 | 0 | 10 | 0 | 39 | 888 | 17 | 17 | 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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