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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 Monday 11 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 slightly warmer than usual)How big are the waves at Southside today?
The current surf forecast for Southside at 6PM is: 1.1m 13s primary swell from a West-southwest direction and 0.6m 15s secondary swell from a West-southwest direction (forecast issued at 01:00pm May 11). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 4ft (1.2m) | 13s |
| Afternoon (11 May) | 4.5ft (1.3m) | 13s |
| Evening (11 May) | 4.5ft (1.3m) | 14s |
Table - waves today at Southside. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 21°C on Mon afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the N on Mon afternoon, light winds from the SSW by Wed night). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 13 | WSW 12 | W 12 | W 12 | WSW 13 | WSW 13 | W 14 | WSW 14 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 13 | |
476 | 669 | 454 | 425 | 793 | 980 | 1435 | 1617 | 1808 | 1961 | 3701 | 5192 | 8051 | 9411 | 9770 | 9758 | 8642 | 7610 | 7008 | 6267 | 5526 | 4889 | 4724 | 4577 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 5:36PM0.49m | 8:19AM0.51m | 7:16PM0.45m | 8:10AM0.57m | 8:52PM0.41m | |||||||||||||||||||
Low Tide | 2:00PM0.47m | 1:14AM0.23m | 2:31PM0.37m | 1:20AM0.28m | 3:17PM0.26m | 1:16AM0.34m | ||||||||||||||||||
 |  | |  | | | | | | | |  | | | |  | |  |  |  | | | | | |
 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — |
 | — | — | 5:30 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | 5:28 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | |
Temp °C | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 18 | 19 | 21 | 20 | 20 | 18 | 17 | 16 | 15 | 16 | 15 |
15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 19 | 18 | 18 | 16 | 16 | 17 | 16 | 16 | 14 | 14 | 14 | 12 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 13 | WSW 12 | W 12 | W 12 | WSW 13 | WSW 13 | W 14 | WSW 14 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 13 |
 kJ | 476 | 669 | 454 | 425 | 793 | 980 | 1435 | 1617 | 1808 | 1961 | 3701 | 5192 | 8051 | 9411 | 9770 | 9758 | 8642 | 7610 | 7008 | 6267 | 5526 | 4889 | 4724 | 4577 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | SW 12 | WSW 15 | WSW 11 | SW 16 | SSW 16 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | SSW 13 | SSW 13 | — | — | — | — | — | — | — | — | — | — | — | WSW 14 |
| kJ | 196 | 252 | 172 | 167 | 10 | 25 | 32 | 159 | 547 | 883 | 102 | 92 | — | — | — | — | — | — | — | — | — | — | — | 2221 |
Swell 3 Height (m) Direction Period (s) | WSW 16 | — | W 12 | SW 13 | — | W 18 | WSW 18 | WSW 17 | SSW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 198 | — | 103 | 208 | — | 6 | 103 | 162 | 40 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 300 | 339 | 328 | 311 | 279 | 238 | 130 | 89 | 80 | 50 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 193 | 134 | 41 | 41 | 134 | 134 | 41 | 41 | 41 | 41 | 9 | 28 | 95 | 95 | 97 | 193 | 356 | 14 | 33 | 14 | 14 | 14 | 14 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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