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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 am Sunday 17 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
21.4° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Southside today?
The current surf forecast for Southside at 12PM is: 2.4m 12s primary swell from a Southwest direction and 0.3m 21s secondary swell from a West-southwest direction (forecast issued at 07:00am May 17). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 8ft (2.4m) | 12s |
| Afternoon (17 May) | 7.5ft (2.3m) | 12s |
| Evening (17 May) | 7.5ft (2.3m) | 11s |
Table - waves today at Southside. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun morning. Very mild (max 19°C on Sun afternoon, min 14°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 11 | SSW 11 | WSW 18 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | |
1656 | 1628 | 1530 | 1448 | 1310 | 1310 | 1310 | 1111 | 1017 | 700 | 662 | 1130 | 1151 | 1242 | 1226 | 1305 | 1273 | 1479 | 1634 | 1488 | 2577 | 2541 | 2541 | 2265 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | cross-on | cross | cross-off | off | off | off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | |
High Tide | 9:25AM0.85m | 9:59AM0.87m | 10:35AM0.86m | |||||||||||||||||||||
Low Tide | 7:22PM-0.03m | 8:46PM-0.04m | 10:10PM-0.04m | |||||||||||||||||||||
 |  |  | | |  |  | |  |  | | | | | | | |  | | | | | | | |
 | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
 | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | 5:23 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 18 | 18 | 19 | 18 | 17 | 18 | 17 | 16 | 18 | 17 | 18 | 17 | 16 | 16 | 15 | 14 | 17 | 18 | 19 | 17 | 16 | 16 |
16 | 16 | 16 | 16 | 17 | 16 | 14 | 16 | 16 | 15 | 17 | 15 | 17 | 16 | 15 | 14 | 13 | 12 | 15 | 16 | 18 | 16 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 1656 | 1628 | 1530 | 1448 | 1310 | 1310 | 1310 | 1111 | 1017 | 700 | 662 | 1130 | 1151 | 1242 | 1226 | 1035 | 964 | 882 | 1634 | 1488 | 2577 | 2541 | 2541 | 2265 |
Swell 2 Height (m) Direction Period (s) | W 24 | WSW 22 | WSW 21 | WSW 21 | WSW 21 | WSW 20 | WSW 20 | SSW 11 | SSW 11 | SW 12 | SSW 10 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SW 11 | SW 11 | S 10 | S 11 | S 10 | S 10 |
| kJ | 11 | 47 | 90 | 90 | 88 | 216 | 336 | 161 | 158 | 488 | 404 | 659 | 921 | 996 | 1136 | 1305 | 1273 | 1479 | 659 | 543 | 19 | 9 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 21 | — | WSW 20 | WSW 19 | WSW 19 | WSW 18 | WSW 18 | — | S 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | — | — | — | — |
| kJ | — | — | — | — | 113 | — | 336 | 332 | 398 | 596 | 651 | — | 15 | 14 | 75 | 47 | 45 | 25 | 39 | 38 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 0 | 0 | 14 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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