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Southside Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Southside surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 1 am Sunday 31 May 2026 AWSTForecast update in hr min s Forecast update imminent
Southside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Southside sea temperature is
21.0° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Southside today (31 May):
- Morning surf: Morning surf (31 May, local time) - 20ft (6.0m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 25ft (7.5m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 28ft (8.5m), 14s period with W swell.
The current surf forecast for Southside at 4AM is: 4.0m 8s primary swell from a Northwest direction and 1.6m 14s secondary swell from a Southwest direction, 0.4m 6s secondary swell from a Southeast direction (forecast issued at 01:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 20ft (6.0m) | 10s |
| Afternoon (31 May) | 25ft (7.5m) | 12s |
| Evening (31 May) | 28ft (8.5m) | 14s |
Table - waves today at Southside. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Sun night. Very mild (max 17°C on Sun night, min 14°C on Sun morning). Winds decreasing (gales from the WNW on Sun afternoon, light winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 | NW 8 | WNW 10 | W 11 | W 12 | W 13 | W 14 | WSW 13 | WSW 13 | SSW 13 | SSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SW 11 | WSW 8 | SW 10 | SW 11 | SW 13 | SW 13 | SW 12 | |
1218 | 1768 | 5713 | 10381 | 14822 | 24561 | 26976 | 20117 | 20041 | 12544 | 9097 | 5334 | 4751 | 4389 | 3304 | 2578 | 2126 | 1126 | 1526 | 2957 | 3884 | 5519 | 5242 | 4261 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:52AM0.77m | 9:17AM0.78m | 9:44AM0.78m | |||||||||||||||||||||
Low Tide | 7:02PM0.09m | 7:53PM0.10m | 8:50PM0.11m | |||||||||||||||||||||
 |  |  | | |  |  | | | | | | | |  |  | | | |  | | | | | |
 | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — |
3 | 4 | 2 | 2 | 2 | — | 4 | 1 | 2 | 1 | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | |
Temp °C | 18 | 16 | 15 | 14 | 15 | 15 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 16 | 16 |
11 | 5 | 3 | 1 | 1 | 2 | 7 | 5 | 6 | 7 | 7 | 8 | 11 | 11 | 11 | 10 | 9 | 10 | 7 | 8 | 8 | 9 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | — | — | NW 11 | — | W 13 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | S 11 | SW 11 | SSE 11 | SSE 11 | SW 11 | SW 13 | SW 13 | SW 12 |
 kJ | 1218 | 911 | 736 | 600 | 581 | — | — | 777 | — | 4859 | 4158 | 5334 | 4751 | 4389 | 3304 | 2578 | 694 | 1126 | 292 | 206 | 3884 | 5519 | 5242 | 4261 |
Swell 2 Height (m) Direction Period (s) | SE 5 | SE 6 | — | — | — | — | — | — | — | NW 10 | NW 10 | NW 9 | S 12 | S 12 | S 12 | S 11 | WSW 20 | SSE 11 | SW 18 | SW 18 | SSE 11 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 19 | 12 | — | — | — | — | — | — | — | 234 | 204 | 163 | 3027 | 2180 | 1688 | 1147 | 38 | 460 | 252 | 255 | 135 | 105 | 69 | 47 |
Swell 3 Height (m) Direction Period (s) | W 8 | SW 18 | — | — | — | — | — | — | — | — | SW 22 | SW 21 | NW 9 | SW 20 | SW 20 | SW 20 | SW 19 | SW 18 | — | — | SW 18 | — | — | — |
| kJ | 12 | 80 | — | — | — | — | — | — | — | — | 18 | 18 | 147 | 61 | 98 | 97 | 133 | 157 | — | — | 164 | — | — | — |
Wind waves Height (m) Direction Period (s) | N 7 | NW 8 | WNW 10 | W 11 | W 12 | W 13 | W 14 | WSW 13 | WSW 13 | SSW 13 | SSW 13 | S 12 | — | — | — | NW 8 | WSW 12 | W 6 | WSW 8 | SW 10 | — | — | — | — |
| kJ | 243 | 1768 | 5713 | 10381 | 14822 | 24561 | 26976 | 20117 | 20041 | 12544 | 9097 | 4936 | — | — | — | 58 | 2126 | 297 | 1526 | 2957 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 134 | 1688 | 1688 | 1688 | 1796 | 1688 | 1905 | 2001 | 2164 | 2164 | 2539 | 2590 | 2686 | 14 | 50 | 193 | 193 | 244 | 581 | 554 | 606 | 554 | 571 | 14 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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