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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Augusta Rivermouth surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 am Friday 12 Dec 2025 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
20.1° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Augusta Rivermouth today?
The current surf forecast for Augusta Rivermouth at 9AM is: 1.8m 12s primary swell from a Southwest direction and 1.1m 5s secondary swell from a Southeast direction (forecast issued at 07:00am December 12). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 6ft (1.8m) | 12s |
| Afternoon (12 Dec) | 6ft (1.8m) | 12s |
| Evening (12 Dec) | 5ft (1.6m) | 12s |
Table - waves today at Augusta Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1003 | 1019 | 970 | 884 | 736 | 723 | 711 | 644 | 583 | 583 | 573 | 544 | 429 | 422 | 377 | 377 | 429 | 362 | 357 | 659 | 580 | 561 | 503 | 494 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- off | cross- off |
High Tide / height (m) | 6:58AM 0.46 | 9:36PM 0.42 | 9:08AM 0.44 | 8:28PM 0.43 | 10:48AM 0.43 | 7:54PM 0.49 | ||||||||||||||||||
Low Tide / height (m) | 2:57AM 0.44 | 2:59PM 0.29 | 2:58AM 0.35 | 3:01PM 0.36 | 3:26AM 0.27 | 2:15PM 0.41 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 5:00 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:23 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - | - |
 |  | | | | | | | | | | | | | | | | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 17 | 18 | 18 | 18 | 17 | 16 | 14 | 14 | 17 | 20 | 19 | 18 | 18 | 18 | 17 | 17 | 22 | 29 | 29 | 23 | 25 | 26 | 28 |
| Feels °C (?) | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 11 | 14 | 16 | 14 | 12 | 13 | 14 | 12 | 12 | 18 | 26 | 26 | 20 | 24 | 25 | 26 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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