Cudmirrah Reef Surf Break

Lat Long: 35.19° S 150.58° E

Cudmirrah Reef Surf Forecast and Surf Report

Issued: 3 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cudmirrah Reef sea temperature is
17.9°C
1.0° 

Cudmirrah Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Cudmirrah Reef surf forecast from 10 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 10PM (local time) - 6.5ft (2.0m), 10s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 10 Sep, 4PM (local time) - 8ft (2.5m), 10s period, S swell with 1,131 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 10PM (local time) - 6.5ft (2.0m), 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 Thursday (Sep 10) at 10PM. The primary swell is predicted to be 2.0m and 10s period with a secondary swell of 0.2m and 9s. 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 2.5m 10s and forecast to arrive on Thursday (Sep 10) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Sep 14) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Thu 10th Sep)6.5ft (2.0m) 10s
Best Surf10PM (Thu 10th Sep)6.5ft (2.0m) 10s
Most Powerful 4PM (Thu 10th Sep)8ft (2.5m) 10s

Table - best surf conditions forecast for Cudmirrah Reef over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s take a look at what’s cookin’ for Cudmirrah Reef over the next couple weeks.

To be straight with you, the first couple of days are a write-off. Thursday the 10th has some size, around 8ft, but that cross-on wind has it choppy and messy – not worth paddling out for. The water temp is 64°, about 2° warmer than usual for September, so it’s a touch on the mild side, but nothing crazy.

Friday the 11th though… that morning session is where it’s at. We’ve got a sweet 5ft south swell with glassy conditions – dead calm, no wind ripples. That’s the kind of clean canvas that makes a reef break like this really shine. The swell energy is moderate (466), and the period is 9 seconds, so it’s a standard short-period south swell, but the complete lack of wind makes it the standout of the whole first week.

After that, the surf fades. From Saturday the 12th right through to Monday the 14th, we’re looking at small stuff, 2ft to 3ft. The wind is offshore or cross-off, so the waves will be clean, but there’s just not enough push to get excited about. You’ll get a few little peelers, but it’s more of a longboard or a funboard kind of morning.

Tuesday the 15th sees a jump back up to 6ft, but it’s a short-period 7-second SSE windswell with cross-on wind and rain – poor conditions and a chop fest. The afternoon gets bigger at 8ft, but the quality is still marginal.

Then we hit another lull from Wednesday the 16th through to Friday the 18th. The swell is small to tiny, mostly under 3ft, and while the wind is light or clean, there’s just no energy (combined energy only 91 on Friday morning). It’s a waiting game.

Now, here’s where it gets interesting. Saturday the 19th of September is the real standout of the whole outlook. The morning brings a solid 8ft south groundswell with a 12-second period, glassy conditions, and combined energy of 1766 – that’s strong wave energy. That is a proper reef-swell setup. This one is for experienced surfers only; that size and power on a reef is no joke for beginners. The afternoon stays clean with a cross-off breeze and still 7ft.

Sunday the 20th keeps the run going with a clean 5ft to 6ft south swell, light offshore winds, and very good conditions. It’s not the size of Saturday, but it’s a far more manageable day for a bigger crowd, and the quality will be high.

Beyond that, the following week looks like a mixed bag. Monday the 21st and Tuesday the 22nd drop in size and the wind turns onshore, so not much to write home about. But keep an eye on Wednesday the 23rd – that’s a 10ft south swell with very strong energy (2767), but the cross-on wind and rain will make it a choppy, blown-out mess. That’s kite-surf territory, not paddle-surfing. It stays big and messy right through to the 25th.

So, if you’re keen, the clear winner is Saturday the 19th morning at Cudmirrah Reef. Glassy, powerful, long-period groundswell. For the everyday surfer, Sunday the 20th is your best bet – still solid, clean, and more forgiving.

Cheers,
Rusty

Short Range Forecast

Mostly dry. Very mild (max 19°C on Sat morning, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Tue morning. Warm (max 28°C on Mon afternoon, min 13°C on Tue morning). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
3
2
0
2
1
0
2
1
1
1
1
1
0
0
2
1
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
S
9
2.5
S
10
1.9
S
10
1.6
S
9
1.4
SSE
9
1.1
S
10
1
S
11
0.9
S
10
0.9
S
9
0.8
S
11
0.8
S
10
0.7
S
11
0.7
S
11
1
NE
6
0.8
NE
6
1.7
SSE
7
2.4
S
9
1.9
S
8
1.6
S
7
1.3
S
11
1.1
S
10
Wave Graph
Metric surfscale
Energy kJ
1016
1131
669
449
355
245
233
158
139
143
130
125
110
73
46
277
837
476
257
411
234
Wind (km/h)
20
SSW
10
SSE
10
W
5
SE
10
E
5
WNW
10
NE
20
NE
10
NNW
10
NNE
20
NNE
10
NNW
10
NW
15
NW
20
SSW
15
SSE
10
SSE
15
SSE
5
SE
15
NE
5
NW
Wind State
cross-on
cross-on
cross-off
glassy
cross-on
cross-off
cross
cross
off
cross-off
cross-off
cross-off
off
off
cross
cross-on
cross-on
cross-on
glassy
cross
off
High Tide
7:33PM1.59m
8:11AM1.32m
8:17PM1.53m
8:49AM1.38m
9:00PM1.44m
9:25AM1.41m
9:41PM1.33m
10:02AM1.41m
10:23PM1.20m
10:39AM1.39m
11:07PM1.08m
11:20AM1.34m
11:55PM0.98m
Low Tide
1:16PM0.24m
2:04AM0.05m
2:04PM0.20m
2:39AM0.09m
2:50PM0.19m
3:13AM0.15m
3:36PM0.20m
3:46AM0.23m
4:22PM0.24m
4:18AM0.32m
5:10PM0.30m
4:51AM0.41m
6:01PM0.37m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
cloud
clear
part cloud
light rain
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:03
6:01
6:00
5:58
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
5:45
5:45
5:46
5:47
5:47
 mm
2
Temp °C
14
14
13
16
16
14
19
18
15
23
22
19
27
28
22
14
15
15
15
14
13
Feels °C
9
11
11
14
14
14
15
15
14
19
19
16
24
25
20
12
12
11
13
10
11
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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