Cobblestones Surf Break

Lat Long: 33.88° S 114.98° E

Cobblestones Surf Forecast and Surf Report

Issued: 7 am 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cobblestones sea temperature is
19.0° C
0.7° 

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


Cobblestones surf forecast from 9 Jul 2026:

  • Best quality surf: Monday 13 Jul, 11PM (local time) - 13ft (4.0m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 13 Jul, 2AM (local time) - 11ft (3.5m), 19s period, SW swell with 9,270 kJ wave energy.
  • Next surfable swell (1★+): Monday 13 Jul, 11PM (local time) - 13ft (4.0m), 16s period with SW swell.

Best Forecast Surf Conditions for Cobblestones this week:

The surf forecast for Cobblestones over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 13) at 11PM. The primary swell is predicted to be 4.0m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cobblestones in the next 16 days are 3.5m 19s and forecast to arrive on Monday (Jul 13) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Thursday (Jul 16) at 2PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 13th Jul)13ft (4.0m) 16s
Best Surf11PM (Mon 13th Jul)13ft (4.0m) 16s
Most Powerful 2AM (Mon 13th Jul)11ft (3.5m) 19s

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


Alright folks, Rusty here. Let’s have a look at what’s coming our way for Cobblestones over the next couple of weeks.

We’ve got a solid run of swell on the menu, but the wind is going to be a real talking point. The first week is a bit of a mixed bag with a lot of cross-onshore action, but the second half of the window starts to clean up nicely, and there’s a monster pulse lurking right at the end that could be absolutely epic if the conditions align.

Kicking off on Thursday the 9th of July, we’ve already got a decent 10 ft swell from the WSW, but a light breeze from the NW is making it cross-on, and the water temp is sitting at 66°, which is about normal for this time of year. The energy is strong (3572), but the reports say the surf is marginal. Not a great start. Friday the 10th sees the swell drop to 6 ft, but a 25 km/h cross-on wind from the SSW chops it right up; it’s a write-off. Saturday the 11th is frustrating – the swell is pumping back up to 10 ft and 12 ft from the SW with a solid 13-second period, but it’s still cross-on and choppy. The energy is serious (3753 on Saturday afternoon), but the quality isn’t there.

Sunday the 12th is a bit better. The swell is 10 ft from the SW, and the wind is light from the WSW, but it’s still onshore. The energy is very strong (5243). It’s a step in the right direction, but not a standout.

Now, here’s where it gets interesting. Monday the 13th of July is the first real highlight. We’ve got a 13 ft SW groundswell with a 16-second period. The energy is pumping (7786). The wind is a light 5 km/h from the SW – it’s technically cross-on, but it’s a light breeze with only small wind ripples. The report calls it marginal due to tide, but the score is high. This is a powerful, long-period swell that will be breaking a bit straight at a beach break, but at a reef like Cobblestones, it should be an absolute freight train. The cross-on wind is a bummer, but with that energy, it’s still the best of the first week. This is for advanced surfers only – 13 ft is no joke.

Tuesday the 14th is a real beauty. The swell is still big at 12 ft in the morning and 10 ft in the afternoon from the SW, but the wind swings around to a light NE breeze, giving us a clean, cross-off wind. The report calls it “exceptional” and “excellent” for experienced surfers. The energy is high (5036 and 3913). This is your window for a proper session – clean, powerful, and offshore. The crowds might be around, so get in early.

The wind stays clean and cross-off through Wednesday and Thursday (15th and 16th), but the swell drops a bit and the wind picks up, which keeps the quality from being top-tier. The energy is still present, but it’s not as clean.

Then we hit a rough patch from Friday the 17th through Sunday the 19th. Friday is a disaster with a 40 km/h cross wind and messy chop. The rest of the weekend is cross-on and choppy again. The swell is still there, but the wind ruins it.

Monday the 20th and Tuesday the 21st see the swell drop right off to 5 ft and then 3 ft, but the wind goes clean offshore and cross-off. The energy is weak (697 and 382). It’s tiny, but it’s clean. Good for a log or a longboard, but not for power.

Now, hold on to your board. Thursday the 23rd of July starts to look insane. The morning session has an 18 ft swell from the WSW, and while the wind is a light cross, the energy is 8723. That’s a massive amount of water moving. The afternoon is even bigger at 20 ft, but the wind turns cross-on and choppy. That’s just heavy, messy power.

But the real standout is Friday the 24th of July. The morning has an 18 ft SW groundswell with a *17-second* period. The energy is a staggering 34672. The wind is a light 10 km/h from the SE, giving us a clean, cross-off breeze. The report says the wind and tide are favorable, but the swell is predicted to be too big for this break. This is a once-in-a-forecast window. For expert surfers only, this is the one. The afternoon drops to 15 ft still with a 17-second period and clean light cross winds. It’s still massive and powerful. This is the big one, but it’s deep in the forecast, so keep your fingers crossed the models hold.

To wrap it up: the first week has a lot of wind frustration, but Monday the 13th and Tuesday the 14th are your best bets for heavy, powerful surf with manageable wind. The real standout is the massive pulse on Friday the 24th of July, but it’s only for the brave and it’s a long way off.

Rusty.

Short Range Forecast

Light rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 17°C on Thu afternoon, min 13°C on Fri afternoon). Winds increasing (light winds from the WNW on Thu morning, fresh winds from the SW by Thu night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Sun morning, min 11°C on Tue morning). Winds increasing (light winds from the SSW on Mon night, fresh winds from the NNE by Tue night).

Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
1
0
0
1
1
2
2
7
4
3
7
7
7
7
6
5
3
2
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WSW
14
2.3
WSW
14
2
WSW
13
1.7
SSW
12
1.7
SW
12
2.1
SW
12
3
SW
13
3.5
SW
13
3.5
SW
17
3
SW
14
3
SW
14
3.5
SW
19
4
SW
16
4
SW
16
4
SW
15
3.5
SW
15
3
SW
14
2.5
SW
14
2.4
SW
13
2.5
SW
13
3
SW
14
Wave Graph
Metric surfscale
Energy kJ
3294
2136
1306
793
822
1169
2845
3753
7011
3813
3467
9270
7786
7137
6789
5036
3913
2647
1903
2417
3289
Wind (km/h)
10
NW
20
W
30
SW
25
SSW
20
SSW
20
SSW
15
S
15
S
10
SSW
15
WSW
15
SW
10
SW
5
SW
10
SW
10
E
15
NE
15
NE
25
NNE
30
N
25
N
20
N
Wind State
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:16AM0.99m
7:00AM1.06m
7:43AM1.12m
8:26AM1.15m
9:06AM1.14m
9:44AM1.10m
Low Tide
3:22PM0.40m
3:57PM0.31m
4:37PM0.26m
5:18PM0.23m
5:59PM0.24m
6:39PM0.27m
7:15PM0.32m
light rain
light rain
rain showers
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:24
7:24
7:22
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:25
5:25
5:27
5:27
5:28
5:28
 mm
1
3
1
6
Temp °C
16
17
17
14
14
15
14
14
14
16
15
14
14
14
14
12
14
16
18
19
19
Feels °C
15
13
14
10
10
12
11
10
12
13
11
11
12
12
13
9
10
13
12
14
16
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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 Cobblestones Surf forecast

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

Cobblestones is 85 km (53 miles) from the city of Bunbury. If you plan a holiday in Margaret River, look for hotels and other accommodation in Bunbury. Bunbury has rooms for a wide range of budgets as well as car hire and transport links.

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