Surf Forecasts:
Cobblestones surf forecast from 27 Jul 2026:
- Best quality surf: Friday 31 Jul, 8PM (local time) - 15ft (4.5m), 16s period, SW swell with onshore winds.
- Most powerful swell: Friday 31 Jul, 8PM (local time) - 15ft (4.5m), 16s period, SW swell with 10,370 kJ wave energy.
- Next surfable swell (1★+): Tuesday 28 Jul, 8AM (local time) - 10ft (3.0m), 14s 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 Tuesday (Jul 28) at 8AM. The primary swell is predicted to be 3.0m and 14s period with a secondary swell of 0.5m and 21s. 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 4.5m 16s and forecast to arrive on Friday (Jul 31) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Tuesday (Aug 04) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 28th Jul) | 10ft (3.0m) 14s |
| Best Surf | 8PM (Fri 31st Jul) | 15ft (4.5m) 16s |
| Most Powerful | 8PM (Fri 31st Jul) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Cobblestones over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s chew the fat on what’s coming up at Cobblestones. This is a proper reef break, and it’s about to get hammered.
The water is a touch warmer than average for this time of year, sitting right around 66°, so you might not need the thickest of wetsuits.
The first real session is on Tuesday, 28th July. The morning is looking clean with a 10ft SW swell and a solid 14-second period. The wind is light and cross-off from the ESE, keeping the reef face butter smooth. The energy is thumping (3929), and this is one of the best windows on offer. Wednesday morning, 29th July, is also a beauty with an 8ft SW swell and a 13-second period under a clean cross-off NE breeze. The energy (3068) is still strong. This is expert-only territory with that size.
Thursday, 30th July, is still good with morning offshores from the NNE and a 6ft to 6ft SW swell. The energy is dropping (1960) but it’s still a clean, solid day for the experienced crew.
Friday, 31st July, is a total bust. The wind is on it from the NW and WSW, turning that 11ft to 13ft swell into a complete mess. Skip it.
The absolute standout of the whole forecast is Saturday, 1st August. The morning is solid with a 15ft SW swell (8607 energy), but the afternoon is the one. The wind goes SE, still cross-off, with a 15ft SW groundswell and 14-second intervals. The wave energy is absolutely monstrous (10529), and it’s described as exceptional for experts. This is the session to mark on your calendar. The crowd profile says “sometimes” here, so you won’t have it all to yourself.
Sunday, 2nd August, has a cleaner morning with a strong offshore NE breeze at 15 mph and an 8ft WSW swell. That will be well-shaped and hollow, but it fades in the afternoon.
From there, the long-range outlook is grim. From Monday, 3rd August, through to Wednesday, 12th August, the wind is either gale-force or cross-on, and the swell gets way too big for the break. We’re talking 16ft to 24ft monsters with near gale to gale force winds. This is kite-surfing territory, not paddle surfing. The energy readings are off the charts (over 25,000 at times), but it’s completely unsurfable for a standard surfer.
To wrap it up: your best bets are the Tuesday to Thursday mornings, and the absolute peak is Saturday, 1st August, afternoon. The second week is a total write-off, just big, blown-out chaos.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Thu afternoon, min 11°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Fri afternoon. Very mild (max 18°C on Fri morning, min 10°C on Sat night). Winds decreasing (fresh winds from the SW on Fri night, light winds from the SE by Sat afternoon). | ||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | |||||||||||||||
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) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 14 | SW 14 | SW 17 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 14 | SW 13 | SW 14 | SW 14 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3705 | 3278 | 2722 | 2454 | 1391 | 2009 | 1318 | 1463 | 4043 | 7051 | 7451 | 9409 | 8607 | 7975 | 4887 | 2466 | 2135 | 2096 | 1480 | 2295 | 2027 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 8:09AM1.06m | 8:45AM1.06m | 9:21AM1.03m | 9:58AM0.98m | 1:42AM0.62m | 10:35AM0.91m | 1:04AM0.64m | 11:12AM0.81m | 1:08AM0.68m | 11:43AM0.70m | 1:29AM0.72m | ||||||||||
Low Tide | 5:34PM0.33m | 5:50PM0.35m | 6:06PM0.37m | 6:21PM0.40m | 2:31AM0.62m | 6:33PM0.44m | 4:26AM0.61m | 6:39PM0.48m | 6:05AM0.60m | 6:25PM0.52m | |||||||||||
 | |  |  | |  |  | |  | |  |  | | | | | | | | |  | |
 | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — | 14 |
Temp °C | 14 | 15 | 13 | 13 | 15 | 14 | 15 | 16 | 16 | 18 | 18 | 16 | 14 | 15 | 12 | 13 | 16 | 16 | 17 | 19 | 18 |
Feels °C | 11 | 13 | 9 | 9 | 12 | 11 | 13 | 13 | 15 | 14 | 12 | 9 | 9 | 11 | 6 | 8 | 12 | 14 | 10 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 14 | SW 14 | SW 17 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 14 | SW 13 | SW 14 | SW 14 | SW 16 | SW 15 |
| kJ | 3705 | 3278 | 2722 | 2454 | 1391 | 2009 | 1318 | 1463 | 4043 | 7051 | 7451 | 9409 | 8607 | 7975 | 4887 | 2466 | 2135 | 2096 | 1480 | 2295 | 2027 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 19 | SW 18 | SW 18 | SW 16 | S 10 | SW 20 | SW 19 | SE 9 | — | — | — | — | SW 14 | WSW 14 | S 12 | S 11 | — | S 10 | SW 22 | SW 19 |
| kJ | 224 | 940 | 1042 | 614 | 1101 | 125 | 552 | 738 | 21 | — | — | — | — | 2554 | 2734 | 909 | 387 | — | 89 | 121 | 1100 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 22 | S 10 | S 9 | — | — | — | — | — | — | — | — | — | — | — | SW 22 | SSE 9 |
| kJ | — | — | — | — | — | 118 | 90 | 43 | — | — | — | — | — | — | — | — | — | — | — | 119 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNE 5 | N 5 | — | — | WNW 5 | — | — | — | ENE 3 | — | N 5 | N 5 | N 5 | N 6 | N 8 |
| kJ | — | — | — | — | — | — | 4 | 11 | — | — | 95 | — | — | — | 4 | — | 14 | 15 | 99 | 130 | 929 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 201 | 359 | 89 | 1 | 0 | 0 | 0 | 44 | 7 | 1689 | 143 | 159 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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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