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Augusta Rivermouth Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Augusta Rivermouth surfForecast / WA – Margaret River / Australia
12 Day Weather and Surf, issued 7 pm Saturday 16 Aug 2025 AWST
Best Forecast Surf Conditions for Augusta Rivermouth this week:
The surf forecast for Augusta Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 18) at 11AM. The primary swell is predicted to be 3.0m and 18s period with a secondary swell of 0.7m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Augusta Rivermouth in the next 12 days are 6.0m 16s and forecast to arrive on Thursday (Aug 21) at 2AM. Winds are predicted to be cross-shore 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 19) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Mon 18th Aug) | 10ft (3.0m) 18s |
| Best Surf | 11AM (Tue 19th Aug) | 11ft (3.5m) 15s |
| Most Powerful | 2AM (Thu 21st Aug) | 20ft (6.0m) 16s |
Table - best surf conditions forecast for Augusta Rivermouth over the next 12 days.
Short Range Forecast Heavy rain (total 22mm), heaviest during Mon night. Very mild (max 19°C on Mon afternoon, min 12°C on Sun morning). Winds increasing (calm on Sat night, fresh winds from the NW by Mon night). | Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 16°C on Fri afternoon, min 11°C on Wed night). Winds decreasing (strong winds from the WSW on Wed afternoon, light winds from the WNW by Fri morning). | |||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 16 | 15 | 18 | 16 | 16 | 15 | 14 | 16 | 15 | 14 | 16 | 16 | 16 | 14 | 14 | 14 | 13 | 12 | 13 | |
Wave (?)Graph  | ||||||||||||||||||||||
| Energy (?) | 1760 | 1701 | 2959 | 2576 | 4955 | 3784 | 2113 | 5287 | 4553 | 4714 | 10071 | 12937 | 35280 | 14330 | 10576 | 6237 | 6077 | 4863 | 3365 | 2172 | 1734 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | off | off | off | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | |
High Tide / height (m) | 12:17AM 0.64 | 7:19AM 0.72 | 8:19AM 0.81 | 9:06AM 0.88 | 9:47AM 0.91 | 12:56AM 0.43 | 10:24AM 0.91 | 11:43PM 0.40 | 10:57AM 0.86 | |||||||||||||
Low Tide / height (m) | 3:18PM 0.17 | 4:07PM 0.14 | 4:50PM 0.14 | 5:31PM 0.17 | 6:08PM 0.22 | 1:44AM 0.43 | 6:40PM 0.29 | 2:48AM 0.37 | 7:03PM 0.36 | |||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | ||||||||||||||||
| Sunrise | - | 6:56 | - | - | 6:56 | - | - | 6:54 | - | - | 6:54 | - | - | 6:52 | - | - | 6:50 | - | - | 6:50 | - | |
| Sunset | - | - | 5:49 | - | - | 5:50 | - | - | 5:51 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:53 | |
 |  | | | | |  |  | | | |  |  | |  | | | | | | | ||
Rain (mm) | - | - | - | - | - | - | 16 | 5 | 1 | - | 1 | 1 | 4 | 1 | - | 1 | - | - | 4 | 2 | 2 | |
| Temp. °C | 15 | 14 | 18 | 16 | 16 | 19 | 17 | 16 | 15 | 15 | 15 | 12 | 12 | 13 | 14 | 14 | 15 | 16 | 14 | 15 | 15 | |
| Feels °C (?) | 14 | 11 | 15 | 11 | 11 | 14 | 13 | 12 | 10 | 9 | 8 | 1 | 6 | 8 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for WA - Margaret River
Still cross-shore at Augusta Rivermouth (light winds from the ENE at Cape Leeuwin 6 km from Augusta Rivermouth). 2.4m 12s groundswell from the SW with a 0.7m 10s swell from the S. 2 swells combining so expect closeout sets.
1 h 20 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Augusta Rivermouth 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 Augusta Rivermouth Surf forecast
The above surf forecast table for Augusta Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Augusta Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Augusta Rivermouth 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 (Augusta Rivermouth) 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 Augusta Rivermouth 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.
Augusta Rivermouth is 117 km (73 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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