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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 am Wednesday 17 Sep 2025 AWST
How big are the waves at The Guillotine today?
The current surf forecast for The Guillotine at 12PM is: 3.5m 11s primary swell from a West-southwest direction and 0.6m 10s secondary swell from a South direction (forecast issued at 07:00am September 17). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 11ft (3.5m) | 11s |
| Afternoon (17 Sep) | 10ft (3.0m) | 11s |
| Evening (17 Sep) | 10ft (3.0m) | 11s |
Table - waves today at The Guillotine. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Sat 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3668 | 3476 | 2877 | 2445 | 2241 | 2351 | 2795 | 2879 | 2969 | 3126 | 2288 | 5874 | 5887 | 5814 | 5710 | 6676 | 7945 | 7945 | 7449 | 6705 | 5974 | 5239 | 4496 | 3960 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off |
High Tide / height (m) | 6:26AM 0.80 | 7:34AM 0.79 | 12:15AM 0.59 | 8:24AM 0.76 | 11:12PM 0.55 | |||||||||||||||||||
Low Tide / height (m) | 3:41PM 0.19 | 4:06PM 0.24 | 1:47AM 0.58 | 4:22PM 0.29 | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - |
 |  | |  | |  | |  | |  |  | | | |  | | | | | | | |  | | |
Rain (mm) | 4 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 14 | 13 |
| Feels °C (?) | 9 | 9 | 9 | 10 | 9 | 8 | 6 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 11 | 12 | 13 | 12 | 12 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for WA - Margaret River
Continuing clean conditions at The Guillotine (light winds from the W at Witchcliffe 26 km from The Guillotine). 3.3m 11s groundswell from the WSW with a 1.8m 10s swell from the S and a 0.9m 10s swell, also from the S. 3 swells combining so expect closeout sets.
26 km away, 49 min ago
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