Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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 pm 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
20.0° C
(Which is 1.2°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 12AM is: 1.6m 12s primary swell from a Southwest direction and 1.3m 5s secondary swell from a Southeast direction (forecast issued at 07:00pm December 12). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 5ft (1.5m) | 12s |
| Afternoon (13 Dec) | 5ft (1.5m) | 11s |
| Evening (13 Dec) | 4.5ft (1.3m) | 11s |
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 | Monday 15 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 800 | 723 | 711 | 644 | 583 | 583 | 573 | 544 | 429 | 422 | 422 | 377 | 326 | 362 | 572 | 746 | 803 | 678 | 635 | 561 | 551 | 440 | 403 | 314 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | on | cross | cross | cross- off | glass | cross- off | off | off |
High Tide / height (m) | 9:36PM 0.42 | 9:08AM 0.44 | 8:28PM 0.43 | 10:48AM 0.43 | 7:54PM 0.49 | |||||||||||||||||||
Low Tide / height (m) | 2:59PM 0.29 | 2:58AM 0.35 | 3:01PM 0.36 | 3:26AM 0.27 | 2:15PM 0.41 | 3:57AM 0.21 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - |
| Sunset | 7:23 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | |  | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 15 | 14 | 17 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 22 | 29 | 27 | 22 | 22 | 26 | 25 | 23 | 26 | 28 | 29 |
| Feels °C (?) | 12 | 11 | 13 | 12 | 11 | 14 | 14 | 14 | 12 | 13 | 14 | 13 | 12 | 18 | 26 | 24 | 19 | 21 | 24 | 24 | 23 | 25 | 26 | 27 |
- 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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