Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Margaret River - South Side surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 pm Saturday 20 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Margaret River - South Side surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Margaret River - South Side sea temperature is
20.8° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Margaret River - South Side today?
The current surf forecast for Margaret River - South Side at 10PM is: 3.0m 13s primary swell from a South-southwest direction and 2.5m 13s secondary swell from a South-southwest direction (forecast issued at 07:00pm December 20). The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | - | - |
| Afternoon (20 Dec) | 8ft (2.5m) | 9s |
| Evening (20 Dec) | 10ft (3.0m) | 13s |
Table - waves today at Margaret River - South Side. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| 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) (?) | 9 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 949 | 2715 | 2329 | 2173 | 1972 | 1952 | 1834 | 1806 | 1534 | 1323 | 1323 | 1521 | 2121 | 2570 | 6475 | 7440 | 7163 | 5974 | 5603 | 5232 | 4494 | 3665 | 3243 | 2392 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | cross- off | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross | cross- off |
High Tide / height (m) | 9:22PM 0.80 | 9:50PM 0.80 | 10:18PM 0.78 | |||||||||||||||||||||
Low Tide / height (m) | 7:28AM 0.07 | 8:03AM 0.09 | 8:30AM 0.11 | |||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:29 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  |  | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 14 | 11 | 11 | 14 | 17 | 17 | 17 | 16 | 16 | 18 | 18 | 18 | 19 | 21 | 19 | 16 | 15 | 12 | 11 | 16 | 24 | 25 |
| Feels °C (?) | 9 | 9 | 10 | 8 | 8 | 12 | 13 | 12 | 12 | 12 | 12 | 15 | 16 | 15 | 16 | 16 | 14 | 10 | 10 | 7 | 6 | 12 | 20 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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