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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 Tuesday 19 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
21.2° C
(Which is 1.1°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: 2.0m 15s primary swell from a West-southwest direction and 1.6m 11s secondary swell from a Southwest direction (forecast issued at 07:00am May 19). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5.5ft (1.7m) | 16s |
| Afternoon (19 May) | 7ft (2.2m) | 15s |
| Evening (19 May) | 8ft (2.5m) | 14s |
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 Thu afternoon. Warm (max 20°C on Wed morning, min 14°C on Tue morning). Winds increasing (calm on Wed night, fresh winds from the S by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 16 | WSW 16 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | |
1273 | 1479 | 1786 | 1488 | 2541 | 2541 | 2541 | 2383 | 2446 | 2181 | 1941 | 1831 | 2003 | 2209 | 2591 | 2939 | 3023 | 3023 | 3519 | 3570 | 3469 | 3112 | 2699 | 2248 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | on | on | cross | cross | cross | cross | cross | cross | |
High Tide | 10:35AM0.86m | 11:10AM0.81m | 11:35AM0.73m | |||||||||||||||||||||
Low Tide | 10:10PM-0.04m | 11:22PM-0.01m | 00:18AM0.04m | |||||||||||||||||||||
 |  | | | | | | | |  |  | | | | | | | | |  | | |  | | |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | 7:09 |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:22 | — | — | 5:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 14 | 14 | 16 | 18 | 18 | 17 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 18 | 17 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 |
12 | 12 | 14 | 16 | 16 | 15 | 17 | 16 | 16 | 17 | 18 | 19 | 19 | 20 | 18 | 18 | 18 | 16 | 13 | 12 | 10 | 11 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
 kJ | 964 | 898 | 1786 | 1488 | 2541 | 2541 | 2541 | 2383 | 2446 | 2181 | 1941 | 1831 | 2003 | 2209 | 2591 | 2939 | 3023 | 3023 | 3519 | 3570 | 3469 | 3112 | 2699 | 2248 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | WSW 16 | SW 10 | SW 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | WSW 16 | WSW 16 | S 9 | — | — | — | — | — | SSW 14 | — | — | — |
| kJ | 1273 | 1479 | 573 | 595 | 9 | 9 | 8 | 2 | 8 | 7 | 7 | 2 | 208 | 147 | 2 | — | — | — | — | — | 1126 | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | — | — | — | — | — | — | — | S 10 | — | S 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | 45 | 41 | 39 | 38 | — | — | — | — | — | — | — | 2 | — | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNW 3 | NW 4 | WNW 4 | — | — | — | — | — | — | — | — | — | S 5 | — | — | S 5 | SSW 13 | — |
| kJ | — | — | — | — | — | — | 5 | 17 | 39 | — | — | — | — | — | — | — | — | — | 45 | — | — | 34 | 735 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 41 | 1 | 0 | 28 | 41 | 41 | 41 | 183 | 14 | 14 | 0 | 0 | 0 | 14 | 14 | 46 | 457 | 629 | 752 | 33 | 33 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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