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The Guillotine Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
The Guillotine surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 1 am Wednesday 29 Apr 2026 AWSTForecast update in hr min s Forecast update imminent
The Guillotine surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Guillotine sea temperature is
20.7° C
(Which is normal for this time of year)How big are the waves at The Guillotine today?
The current surf forecast for The Guillotine at 5AM is: 2.5m 14s primary swell from a Southwest direction (forecast issued at 01:00am April 29). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 8ft (2.5m) | 14s |
| Afternoon (29 Apr) | 8ft (2.5m) | 13s |
| Evening (29 Apr) | 8ft (2.4m) | 13s |
Table - waves today at The Guillotine. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 19°C on Wed morning, min 13°C on Thu night). Winds increasing (light winds from the SE on Wed morning, strong winds from the SSW by Thu night). | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | |
2845 | 2647 | 2491 | 2454 | 2168 | 2002 | 1874 | 1982 | 2042 | 2135 | 2337 | 2573 | 3305 | 3781 | 4336 | 4913 | 5219 | 5960 | 5891 | 5868 | 5885 | 5140 | 4591 | 4118 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross | cross | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | |
High Tide | 8:44AM0.79m | 11:34PM0.59m | 8:43AM0.85m | 8:52AM0.91m | ||||||||||||||||||||
Low Tide | 2:05AM0.58m | 4:30PM0.42m | 00:45AM0.58m | 5:05PM0.38m | 5:43PM0.36m | |||||||||||||||||||
 | |  | |  |  |  | | | | | | | |  |  | | | | | | | | | |
 | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 15 | 19 | 19 | 19 | 16 | 16 | 17 | 17 | 17 | 18 | 17 | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 |
13 | 12 | 13 | 18 | 15 | 15 | 13 | 14 | 15 | 16 | 12 | 13 | 9 | 8 | 7 | 5 | 4 | 4 | 4 | 4 | 7 | 8 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | — | — | — | — | — | — | — | — | — | SW 13 | SW 13 | SW 13 |
 kJ | 2845 | 2647 | 2491 | 2454 | 2168 | 2002 | 1874 | 1982 | 2042 | 2135 | 2337 | 2573 | — | — | — | — | — | — | — | — | — | 5140 | 4591 | 4118 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 4 | — | — | — | — | SW 4 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | — | — | — |
| kJ | — | — | — | — | — | — | 9 | — | — | — | — | 40 | 3305 | 3781 | 4336 | 4913 | 5219 | 5960 | 5891 | 5868 | 5885 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 0 | 28 | 28 | 6 | 6 | 1 | 5 | 5 | 1099 | 1339 | 1687 | 1687 | 1907 | 2150 | 2005 | 2150 | 2005 | 1900 | 83 | 14 | 14 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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