Cowries Surf Break

Lat Long: 34.58° S 150.88° E

Cowries Surf Forecast and Surf Report

Issued: 9 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cowries sea temperature is
17.8°C
0.5° 

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


Cowries surf forecast from 5 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 10PM (local time) - 10ft (3.0m), 10s period, S swell with cross-offshore winds.
  • Most powerful swell: Sunday 6 Sep, 10PM (local time) - 10ft (3.0m), 10s period, S swell with 1,884 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 4PM (local time) - 1.5ft (0.5m), 10s period with S swell.

Best Forecast Surf Conditions for Cowries this week:

The surf forecast for Cowries over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 4PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.6m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cowries in the next 16 days are 3.0m 10s and forecast to arrive on Sunday (Sep 06) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Sep 06) at 4AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sat 5th Sep)1.5ft (0.5m) 10s
Best Surf10PM (Sun 6th Sep)10ft (3.0m) 10s
Most Powerful10PM (Sun 6th Sep)10ft (3.0m) 10s

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


The Lowdown

Alright, let’s break down what’s coming for the next couple of weeks.

First up, we’ve got Cowries. It’s a reef and point set-up, pretty exposed to the south swell, and it’s a beginner-friendly spot that’s fairly consistent. The water temp is sitting at 64°F, which is pretty much normal for this time of year, so no surprises there.

The pattern starts off slow, real slow. Saturday morning the 5th is a write-off – tiny 2ft southerly swell with a light cross-onshore breeze, just poor surf. The afternoon cleans up a bit but it’s still ordinary. Sunday morning the 6th blows offshore with a clean 2ft swell, but it’s only 6 seconds of period, so it’s weak and won’t have much push. The real kick-off comes Sunday afternoon – the swell jumps to 6ft from the south, period 9 seconds, and the energy reads 697 (moderate), but it’s a cross-off breeze. It’s surfable but nothing to get too excited about.

Now, Monday morning the 7th is where it gets interesting. The wind goes glassy, dead calm, and we’ve got a clean 5ft southerly swell with 9-second period. That’s a solid combo for a beginner-friendly spot – clean, fun waves, and the energy is moderate (359). It’s a standout window for the early part of the week. The afternoon gets a bit choppy with a cross-on sea breeze, so make the most of the morning.

Tuesday the 8th morning sees the swell building to 8ft from the south, period 9 seconds, and the energy jumps to 1547 (strong). That’s getting into the “big for beginners” zone, but with a cross-off wind it’s still clean. It’s marginal for the crowd, but for the right surfer, there’s power there. The afternoon drops back to 5ft but with a cross-on breeze, so less appealing.

Wednesday the 9th is a write-off – strong winds, messy, no good. Thursday the 10th morning, though, that’s a proper standout. 8ft south swell, 10-second period, energy at 2596 (very strong), and a clean cross-off breeze. The file says it’s excellent for experienced surfers. That’s a big, powerful swell and it’s going to be a handful for the beginners, but for anyone with a bit of paddle strength, it’s the best of the run. The afternoon sees the swell drop to 6ft and the wind goes cross-shore, so it’s less clean.

Friday the 11th and Saturday the 12th are a bit of a letdown – the swell drops, the wind goes onshore, and the period stretches to 11 seconds, which is better for the point break shape but the size is down. The energy drops off too. Sunday the 13th is tiny, and Monday the 14th is glassy but only 2ft – barely worth a paddle.

Then we get a huge pulse arriving Wednesday the 16th. The swell is 10ft south, period 11 seconds, energy 1927 (very strong), but it’s just too big for this break. The afternoon hits 12ft with a 13-second period – that’s a proper groundswell, but the file says it’s too big for Cowries. By Thursday the 17th, it’s still 12ft with a 13-second period, and the energy is 3688 – that’s a monster. Only for the experts, and even then, it’s pushing the limits of this break. The wind is clean, but that’s a lot of water moving.

The swell hangs around through the 18th and 19th, dropping from 10ft to 6ft, but the wind is strong and cross-off, so it’s messy. The 20th sees another 10ft pulse, but it’s straight onshore, so it’s a blown-out mess.

So, the standouts: definitely Monday morning the 7th for the glassy, clean small waves, and Thursday morning the 10th for the powerful, clean bigger swell. If you’re a beginner, stick to the Monday. If you’re experienced, Thursday the 10th is your window. The big stuff from the 16th onwards is just too much for Cowries.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 27°C on Sat afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the WSW on Sat night, calm by Mon morning).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Tue morning, min 9°C on Wed night). Winds increasing (light winds from the NNE on Tue afternoon, fresh winds from the SSW by Wed morning).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
1
2
4
2
0
2
3
1
2
0
0
3
4
1
3
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)
0.6
S
9
0.5
S
10
0.4
S
9
0.7
SSW
6
1.7
S
9
2.5
S
9
1.5
S
9
1.5
SSE
9
2.3
SSE
8
2.4
S
9
1.6
S
9
1.5
SSE
9
1.3
SSE
9
2.3
SSE
8
3
SSE
10
2.5
S
10
1.9
S
10
2.1
S
10
1.8
SSE
10
1.7
SSE
10
1.5
S
10
Wave Graph
Metric surfscale
Energy kJ
58
44
27
35
461
1083
355
329
671
879
421
343
243
620
1787
1548
800
988
707
634
506
Wind (km/h)
10
N
10
WNW
30
W
20
WSW
20
S
15
WSW
5
ENE
15
SE
25
S
15
SSW
10
E
10
NW
30
SSW
30
S
20
SSW
15
S
15
SSE
10
W
5
NNE
10
ENE
10
WSW
Wind State
cross-on
cross-off
off
off
cross-off
off
glassy
cross-on
cross-off
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
off
cross-on
on
off
High Tide
2:40PM1.41m
3:47AM0.95m
3:54PM1.46m
5:00AM1.00m
4:59PM1.53m
5:58AM1.09m
5:56PM1.59m
6:46AM1.18m
6:46PM1.62m
7:29AM1.27m
7:33PM1.61m
8:09AM1.34m
8:16PM1.55m
Low Tide
9:47PM0.29m
9:09AM0.47m
10:57PM0.22m
10:24AM0.42m
11:54PM0.14m
11:28AM0.35m
00:42AM0.07m
12:24PM0.28m
1:24AM0.04m
1:15PM0.22m
2:02AM0.04m
2:03PM0.18m
2:38AM0.07m
part cloud
part cloud
clear
clear
clear
clear
clear
rain showers
light rain
clear
clear
clear
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
6:07
6:07
6:05
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
5:40
5:42
5:43
5:43
5:44
 mm
1
1
Temp °C
26
27
20
20
18
14
17
16
14
16
15
12
13
13
12
14
14
13
18
17
13
Feels °C
23
25
17
16
14
11
16
13
9
13
13
10
7
6
7
9
10
11
14
15
12
  • Map Icons:
  • Break
  • 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 Cowries Surf forecast

The above surf forecast table for Cowries provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cowries can be found by selecting the local surf guide option on the grey menu. Our Cowries 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 (Cowries) 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 Cowries 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.

Cowries is 10 km (6 miles) from the city of Port Kembla. If you plan a holiday in Illawarra, look for hotels and other accommodation in Port Kembla. Port Kembla has rooms for a wide range of budgets as well as car hire and transport links.

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