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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 7 pm Saturday 16 May 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
21.3° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at The Guillotine today?
The current surf forecast for The Guillotine at 2AM is: 2.3m 12s primary swell from a Southwest direction and 0.1m 24s secondary swell from a West direction (forecast issued at 07:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 7.5ft (2.3m) | 12s |
| Afternoon (17 May) | 7.5ft (2.3m) | 12s |
| Evening (17 May) | 7ft (2.1m) | 11s |
Table - waves today at The Guillotine. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sat night. Very mild (max 19°C on Sun night, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | |
1985 | 1659 | 1513 | 1488 | 1463 | 1413 | 1305 | 1328 | 1305 | 1127 | 1127 | 1112 | 1072 | 1053 | 1053 | 1053 | 1121 | 1068 | 1068 | 1094 | 1214 | 1184 | 1567 | 1356 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | |
High Tide | 9:12AM1.11m | 9:41AM1.14m | 10:09AM1.15m | |||||||||||||||||||||
Low Tide | 5:46PM0.30m | 6:44PM0.28m | 7:49PM0.29m | |||||||||||||||||||||
 |  | |  |  |  |  |  |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — |
 | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | 5:24 |
— | 1 | 1 | — | — | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 17 | 18 |
14 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 16 | 14 | 14 | 13 | 13 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 15 | WSW 15 |
 kJ | 1985 | 1659 | 1513 | 1488 | 1463 | 1413 | 1305 | 1328 | 1305 | 1127 | 1127 | 1112 | 1072 | 1053 | 1053 | 1053 | 1121 | 1068 | 1035 | 999 | 999 | 898 | 1567 | 1356 |
Swell 2 Height (m) Direction Period (s) | — | — | W 24 | W 24 | W 24 | SW 22 | WSW 21 | WSW 21 | WSW 21 | WSW 20 | WSW 20 | WSW 20 | WSW 19 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SW 11 | SW 11 |
| kJ | — | — | 11 | 11 | 11 | 19 | 45 | 90 | 89 | 216 | 253 | 253 | 319 | 497 | 596 | 659 | 742 | 879 | 1068 | 1094 | 1214 | 1184 | 543 | 543 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WSW 19 | WSW 19 | WSW 18 | WSW 18 | — | — | S 13 | — | S 12 | S 12 | S 11 | S 11 | S 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 332 | 398 | 596 | 651 | — | — | 14 | — | 47 | 45 | 40 | 22 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 31 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 14 | 5 | 5 | 4 | 4 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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