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Augusta Rivermouth Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Augusta Rivermouth surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 1 am Wednesday 20 May 2026 AWSTForecast update in hr min s Forecast update imminent
Augusta Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Augusta Rivermouth sea temperature is
20.5° C
(Which is slightly warmer than usual)How big are the waves at Augusta Rivermouth today?
The current surf forecast for Augusta Rivermouth at 6AM is: 2.4m 14s primary swell from a Southwest direction and 0.1m 10s secondary swell from a South direction (forecast issued at 01:00am May 20). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 7.5ft (2.3m) | 14s |
| Afternoon (20 May) | 7ft (2.1m) | 13s |
| Evening (20 May) | 8ft (2.4m) | 13s |
Table - waves today at Augusta Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Thu morning. Warm (max 20°C on Wed morning, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | |
2350 | 2358 | 2232 | 2056 | 1541 | 1634 | 1609 | 2414 | 2886 | 2944 | 3094 | 2855 | 3349 | 3253 | 2824 | 2340 | 1834 | 2174 | 2039 | 2008 | 1795 | 1599 | 1444 | 1324 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | |
High Tide | 11:38AM1.00m | 12:23PM0.93m | 1:35PM0.84m | |||||||||||||||||||||
Low Tide | 11:43PM0.34m | 1:04AM0.36m | ||||||||||||||||||||||
 |  |  | | |  | | | | |  | | | | | |  | | |  | | | | | |
 | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — |
— | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 18 | 20 | 20 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 13 |
15 | 16 | 16 | 17 | 17 | 19 | 19 | 18 | 16 | 16 | 13 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
 kJ | 2350 | 2358 | 2232 | 2056 | 1541 | 1634 | 1609 | 2414 | 2886 | 2944 | 3094 | 2855 | 2940 | 3253 | 2824 | 2340 | 1834 | 2174 | 2039 | 2008 | 1795 | 1599 | 1444 | 1324 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | SW 15 | SW 16 | SW 16 | S 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 2 | 7 | 8 | 465 | 635 | 710 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 4 | WNW 5 | NNW 4 | — | — | — | — | — | — | — | — | SW 14 | — | — | — | S 5 | — | — | — | — | — | — | — |
| kJ | 5 | 26 | 74 | 9 | — | — | — | — | — | — | — | — | 3349 | — | — | — | 47 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 158 | 88 | 0 | 0 | 0 | 0 | 0 | 55 | 121 | 442 | 123 | 83 | 55 | 96 | 72 | 24 | 72 | 72 | 24 | 5 | 5 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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