Surf Forecasts:
Gnarabup surf forecast from 31 Aug 2026:
- Best quality surf: Friday 4 Sep, 5AM (local time) - 18ft (5.5m), 14s period, SW swell with onshore winds.
- Most powerful swell: Friday 4 Sep, 11AM (local time) - 20ft (6.0m), 16s period, SW swell with 17,749 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 11PM (local time) - 11ft (3.5m), 14s period with SW swell.
Best Forecast Surf Conditions for Gnarabup this week:
The surf forecast for Gnarabup over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 02) at 11PM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Gnarabup in the next 16 days are 6.0m 16s and forecast to arrive on Friday (Sep 04) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 11s period and expected on Sunday (Sep 06) at 8PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 2nd Sep) | 11ft (3.5m) 14s |
| Best Surf | 5AM (Fri 4th Sep) | 18ft (5.5m) 14s |
| Most Powerful | 11AM (Fri 4th Sep) | 20ft (6.0m) 16s |
Table - best surf conditions forecast for Gnarabup over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Very mild (max 18°C on Mon afternoon, min 13°C on Mon afternoon). Winds decreasing (fresh winds from the WNW on Mon afternoon, calm by Wed night). | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 16°C on Thu afternoon, min 12°C on Sat morning). Winds increasing (light winds from the WSW on Fri afternoon, gales from the WSW by Sat morning). | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | WSW 16 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 15 | WSW 14 | SW 12 | SW 13 | SW 14 | SW 15 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3152 | 4447 | 3361 | 3148 | 4194 | 4447 | 4082 | 5650 | 6044 | 4692 | 7637 | 17749 | 14817 | 8580 | 7898 | 9535 | 9718 | 9792 | 10943 | 10775 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | cross-on | cross-on | glassy | cross-on | cross-on | on | on | cross-on | cross-on | on | on | cross-on | on | cross-on | on |
High Tide | 11:30PM0.56m | 10:36AM0.34m | 11:53PM0.61m | 00:29AM0.65m | 1:32AM0.67m | 4:08AM0.69m | 5:50AM0.72m | |||||||||||||
Low Tide | 4:45PM0.31m | 6:57AM0.31m | 3:41PM0.30m | 1:51PM0.22m | 1:55PM0.13m | 2:23PM0.05m | 2:57PM-0.00m | 3:32PM-0.03m | ||||||||||||
 |  |  |  | |  | | | | |  | | |  | | | | | | | |
 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — |
 | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — |
mm | 2 | — | — | — | — | 1 | — | — | — | 1 | 1 | — | — | — | 3 | 4 | — | — | — | — |
Temp °C | 18 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 14 | 14 | 15 | 15 | 13 | 14 | 15 | 15 | 15 |
Feels °C | 12 | 8 | 10 | 11 | 10 | 10 | 11 | 13 | 10 | 8 | 8 | 7 | 10 | 8 | 6 | 1 | 3 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 18 | SW 16 | SW 16 | SW 15 | SW 14 | — | SW 13 | SW 14 | SW 15 | SW 16 |
| kJ | 3152 | 4447 | 3361 | 3148 | 4194 | 4447 | 4082 | 5650 | 6044 | 4692 | 314 | 17749 | 14817 | 8580 | 4201 | — | 9718 | 9792 | 10943 | 10775 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 12 | S 11 | S 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 280 | 180 | 85 | 85 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | — | — | — | — | — | — | — | — | W 6 | SW 14 | — | — | — | WSW 14 | SW 12 | SW 13 | — | — | — |
| kJ | 268 | — | — | — | — | — | — | — | — | 300 | 7637 | — | — | — | 7898 | 9535 | 8562 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 355 | 15 | 15 | 15 | 98 | 15 | 15 | 0 | 244 | 408 | 1688 | 47 | 355 | 192 | 2686 | 1688 | 98 | 52 | 355 | 98 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gnarabup surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Gnarabup Surf forecast
The above surf forecast table for Gnarabup provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Gnarabup can be found by selecting the local surf guide option on the grey menu. Our Gnarabup 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 (Gnarabup) 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 Gnarabup 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.
Gnarabup is 94 km (58 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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