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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 pm 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) - 21ft (6.5m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 26ft (8.0m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 30ft (9.0m), 14s period with WSW swell.
The current surf forecast for Southside at 5PM is: 9.0m 13s primary swell from a West direction (forecast issued at 01:00pm May 31). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 21ft (6.5m) | 10s |
| Afternoon (31 May) | 26ft (8.0m) | 12s |
| Evening (31 May) | 30ft (9.0m) | 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 11mm), heaviest on Sun afternoon. Very mild (max 17°C on Mon night, min 14°C on Sun afternoon). Winds decreasing (severe gales from the NW on Sun afternoon, light winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 11 | W 12 | W 13 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 8 | WSW 10 | SW 10 | SW 13 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | |
11789 | 15896 | 28633 | 37474 | 29150 | 20843 | 16993 | 7242 | 6303 | 5173 | 4193 | 3251 | 2736 | 2347 | 1444 | 2608 | 2948 | 6271 | 8498 | 6358 | 5385 | 4305 | 3313 | 2693 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross-on | cross-on | |
High Tide | 9:17AM0.78m | 9:44AM0.78m | ||||||||||||||||||||||
Low Tide | 7:02PM0.09m | 7:53PM0.10m | 8:50PM0.11m | |||||||||||||||||||||
 | | |  |  | | |  |  | | |  |  | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — |
 | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | 5:17 |
2 | 2 | 1 | 2 | 1 | 2 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 15 |
1 | 0 | -1 | 5 | 4 | 6 | 7 | 8 | 10 | 11 | 11 | 11 | 12 | 10 | 9 | 8 | 8 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | — | — | — | NW 10 | NW 11 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SW 13 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
 kJ | 637 | — | — | — | 650 | 229 | 4577 | 7242 | 6303 | 5173 | 4193 | 3251 | 2736 | 582 | 387 | 259 | 167 | 6271 | 8498 | 6358 | 5385 | 4305 | 3313 | 2693 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 21 | S 12 | S 12 | S 11 | S 11 | S 11 | WSW 20 | SW 18 | SW 18 | SW 18 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SW 17 | SW 16 |
| kJ | — | — | — | — | — | — | — | 18 | 3235 | 2257 | 1725 | 1371 | 910 | 38 | 157 | 199 | 255 | 133 | 103 | 76 | 45 | 63 | 540 | 617 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 10 | NW 10 | SW 20 | SW 20 | SW 20 | SW 20 | — | — | — | — | — | — | — | SW 16 | SE 10 | SSE 10 |
| kJ | — | — | — | — | — | — | — | — | 231 | 200 | 61 | 98 | 97 | 134 | — | — | — | — | — | — | — | 318 | 110 | 41 |
Wind waves Height (m) Direction Period (s) | W 11 | W 12 | W 13 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SSW 12 | S 12 | — | — | — | — | WSW 12 | WSW 8 | WSW 10 | SW 10 | — | — | — | — | — | — | — |
| kJ | 11789 | 15896 | 28633 | 37474 | 29150 | 20843 | 16993 | 6084 | 2380 | — | — | — | — | 2347 | 1444 | 2608 | 2948 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1688 | 1689 | 1905 | 1905 | 2147 | 2164 | 2164 | 2524 | 2627 | 2686 | 14 | 587 | 193 | 244 | 244 | 571 | 581 | 887 | 581 | 571 | 514 | 14 | 14 | 14 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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