Surf Forecasts:
The Guillotine surf forecast from 13 Sep 2026:
- Best quality surf: Sunday 13 Sep, 8PM (local time) - 11ft (3.5m), 14s period, WSW swell with onshore winds.
- Most powerful swell: Sunday 13 Sep, 8PM (local time) - 11ft (3.5m), 14s period, WSW swell with 5,204 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 8PM (local time) - 11ft (3.5m), 14s period with WSW swell.
Best Forecast Surf Conditions for The Guillotine this week:
The surf forecast for The Guillotine over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 13) at 8PM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at The Guillotine in the next 16 days are 3.5m 14s and forecast to arrive on Sunday (Sep 13) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Thursday (Sep 17) at 2PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 13th Sep) | 11ft (3.5m) 14s |
| Best Surf | 8PM (Sun 13th Sep) | 11ft (3.5m) 14s |
| Most Powerful | 8PM (Sun 13th Sep) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for The Guillotine over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Tue night, min 10°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Thu night. Warm (max 23°C on Wed afternoon, min 13°C on Fri night). Winds increasing (calm on Thu night, strong winds from the NE by Fri night). | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WSW 13 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2508 | 4755 | 5046 | 4752 | 4838 | 4370 | 3665 | 3280 | 2252 | 1299 | 721 | 1094 | 1014 | 850 | 657 | 1437 | 4773 | 4729 | 3821 | 3638 | 2673 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | cross-on | off | cross-off | cross-off | off | cross | cross | glassy | cross-off | off | off | on | cross-on | cross-off |
High Tide | 11:00AM0.51m | 10:28PM0.67m | 10:57AM0.43m | 10:43PM0.72m | 9:41AM0.38m | 11:04PM0.76m | 11:28PM0.79m | 11:55PM0.81m | 00:25AM0.81m | 1:03AM0.80m | |||||||||||
Low Tide | 3:38PM0.43m | 6:09AM0.37m | 2:41PM0.40m | 7:39AM0.38m | 2:06PM0.35m | 2:02PM0.31m | 2:13PM0.28m | 2:26PM0.27m | 2:39PM0.27m | ||||||||||||
 | |  |  | |  |  | | | | | | | |  |  | |  |  | | | |
 | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — |
 | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 2 | 1 | 2 | — |
Temp °C | 16 | 17 | 17 | 16 | 17 | 16 | 17 | 19 | 20 | 20 | 23 | 22 | 20 | 19 | 18 | 19 | 20 | 17 | 15 | 15 | 14 |
Feels °C | 12 | 13 | 14 | 14 | 14 | 12 | 15 | 18 | 17 | 17 | 21 | 22 | 17 | 18 | 16 | 15 | 16 | 11 | 8 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 13 |
| kJ | 2508 | 4755 | 5046 | 4752 | 4838 | 4370 | 3665 | 3280 | 2252 | 1299 | 721 | 1094 | 1014 | 850 | 657 | 1437 | 4773 | 4729 | 3821 | 3638 | 2673 |
Swell 2 Height (m) Direction Period (s) | WSW 17 | — | — | — | — | — | — | — | — | — | WSW 16 | WSW 21 | SSW 11 | SW 18 | WSW 16 | WSW 15 | — | — | — | — | — |
| kJ | 913 | — | — | — | — | — | — | — | — | — | 310 | 43 | 40 | 162 | 475 | 1132 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 22 | WSW 21 | — | SSW 11 | S 10 | WSW 19 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 18 | 42 | — | 22 | 8 | 375 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 4 | NE 4 | NNE 4 | NNE 3 | N 5 | NNW 5 | NW 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 11 | 21 | 6 | 7 | 43 | 111 | 255 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 359 | 359 | 14 | 4 | 5 | 4 | 4 | 5 | 0 | 9 | 0 | 0 | 59 | 59 | 0 | 32 | 5 | 18 | 2150 | 2138 | 4 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Guillotine surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the The Guillotine Surf forecast
The above surf forecast table for The Guillotine provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Guillotine can be found by selecting the local surf guide option on the grey menu. Our The Guillotine surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (The Guillotine) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for The Guillotine may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
The Guillotine is 79 km (49 miles) from the city of Bunbury. If you plan a holiday in Margaret River, look for hotels and other accommodation in Bunbury. Bunbury has rooms for a wide range of budgets as well as car hire and transport links.
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