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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 7 pm Thursday 28 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
20.9° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Southside today (29 May):
- Afternoon surf: Afternoon surf (29 May, local time) - 11ft (3.5m), 13s period with WSW swell.
- Evening surf: Evening surf (29 May, local time) - 8ft (2.5m), 12s period with WSW swell.
The current surf forecast for Southside at 12AM is: 2.3m 12s primary swell from a West-southwest direction and 1.8m 12s secondary swell from a Southwest direction (forecast issued at 07:00pm May 28). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | - | - |
| Afternoon (29 May) | 11ft (3.5m) | 13s |
| Evening (29 May) | 8ft (2.5m) | 12s |
Table - waves today at Southside. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Sat night. Warm (max 20°C on Sat night, min 12°C on Fri night). Winds increasing (calm on Fri night, severe gales from the WNW by Sun afternoon). | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 10 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | NW 9 | WNW 10 | WNW 11 | W 12 | |
2511 | 1835 | 1396 | 1313 | 1234 | 1234 | 1121 | 915 | 865 | 831 | 716 | 1426 | 1407 | 1368 | 1255 | 1367 | 1387 | 1043 | 956 | 1115 | 2900 | 6246 | 11543 | 18402 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-on | |
High Tide | 8:08AM0.72m | 8:28AM0.75m | 8:52AM0.77m | |||||||||||||||||||||
Low Tide | 5:12PM0.15m | 5:44PM0.12m | 6:20PM0.10m | |||||||||||||||||||||
 |  | |  |  | | | | |  |  | | |  |  | | | |  | | |  |  | | |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — |
 | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | 5:19 |
— | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | 2 | 5 | 2 | 4 | 2 | 2 | 1 | |
Temp °C | 17 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 12 | 12 | 16 | 18 | 17 | 15 | 20 | 18 | 16 | 15 | 15 | 14 |
12 | 12 | 10 | 11 | 11 | 12 | 13 | 13 | 12 | 13 | 14 | 12 | 10 | 9 | 12 | 13 | 13 | 10 | 11 | 10 | 6 | 3 | 2 | 0 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 10 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | — | — |
 kJ | 2511 | 1835 | 748 | 1313 | 1234 | 1234 | 1121 | 915 | 865 | 831 | 716 | 1426 | 1407 | 1368 | 1255 | 1367 | 1387 | 1043 | 956 | 1115 | 911 | 722 | — | — |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | NNW 7 | W 12 | W 11 | W 11 | W 11 | W 10 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | NW 10 | W 8 | ESE 4 | — | SW 18 | — | — | — |
| kJ | 374 | 593 | 48 | 678 | 466 | 382 | 326 | 254 | 223 | 158 | 120 | 117 | 83 | 81 | 59 | 35 | 4 | 22 | 3 | — | 80 | — | — | — |
Swell 3 Height (m) Direction Period (s) | NNW 8 | NNW 7 | — | NNW 7 | NNW 7 | NNW 7 | WSW 18 | NNW 6 | SW 16 | SW 16 | SW 16 | W 9 | NNW 6 | NNW 6 | — | — | — | NW 10 | — | — | — | — | — | — |
| kJ | 75 | 31 | — | 29 | 18 | 18 | 30 | 8 | 91 | 161 | 203 | 85 | 3 | 3 | — | — | — | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 13 | — | WSW 12 | — | — | — | — | — | — | — | — | — | — | — | NNE 6 | NNE 3 | NNE 5 | NNE 5 | N 7 | NNW 8 | NW 9 | WNW 10 | WNW 11 | W 12 |
| kJ | 1597 | — | 1396 | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 | 48 | 85 | 551 | 990 | 2900 | 6246 | 11543 | 18402 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 356 | 193 | 14 | 14 | 14 | 14 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 31 | 31 | 2612 | 2628 | 2628 | 1688 | 1688 | 1688 | 1688 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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