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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 pm Monday 18 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
20.7° C
(Which is slightly warmer than usual)How big are the waves at Augusta Rivermouth today?
The current surf forecast for Augusta Rivermouth at 5PM is: 2.1m 11s primary swell from a Southwest direction and 1.2m 17s secondary swell from a Southwest direction (forecast issued at 01:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 7ft (2.2m) | 11s |
| Afternoon (18 May) | 7ft (2.2m) | 11s |
| Evening (18 May) | 5ft (1.5m) | 17s |
Table - waves today at Augusta Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 20°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 11 | SW 11 | SW 11 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | |
1148 | 1148 | 1087 | 1145 | 1165 | 1330 | 1552 | 1532 | 1983 | 1808 | 2544 | 2544 | 2391 | 2492 | 2216 | 2090 | 2032 | 1306 | 1498 | 2392 | 2357 | 2606 | 2643 | 2643 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | cross-on | |
High Tide | 10:20AM1.05m | 10:58AM1.05m | 11:38AM1.00m | |||||||||||||||||||||
Low Tide | 8:05PM0.30m | 9:52PM0.32m | 11:43PM0.34m | |||||||||||||||||||||
 |  | |  | | | | | | | | | |  | | |  | | | | | | | | |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — |
 | — | — | 5:23 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | 5:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 17 | 17 | 16 | 15 | 14 | 14 | 16 | 18 | 18 | 17 | 16 | 17 | 18 | 18 | 20 | 20 | 20 | 19 | 18 | 17 | 17 | 17 |
16 | 16 | 16 | 16 | 16 | 14 | 13 | 13 | 15 | 17 | 17 | 16 | 15 | 15 | 16 | 16 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 1148 | 1148 | 1087 | 1106 | 1045 | 908 | 821 | 756 | 1983 | 1808 | 2544 | 2544 | 2391 | 2492 | 2216 | 2090 | 2032 | 1306 | 1498 | 2392 | 2357 | 2606 | 2643 | 2643 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 10 | SW 10 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SW 15 | SW 16 | S 9 | S 9 | — | — | — |
| kJ | 694 | 795 | 861 | 1145 | 1165 | 1330 | 1552 | 1532 | 404 | 396 | 35 | 18 | 18 | 8 | 2 | 7 | 7 | 465 | 635 | 2 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | — | — | — | — | — | — | — | — | S 9 | — | — | — | — | — |
| kJ | — | 34 | 56 | 31 | 48 | 46 | 25 | 44 | 22 | 37 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | WNW 5 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | 37 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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