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The Box Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
The Box surfForecast / WA – Margaret River / Australia
16 Day Weather and Surf, issued 7 pm Friday 22 May 2026 AWSTForecast update in hr min s Forecast update imminent
The Box surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Box sea temperature is
20.9° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for The Box this week:
The surf forecast for The Box over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 23) at 2AM. The primary swell is predicted to be 2.3m and 12s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at The Box in the next 16 days are 4.5m 12s and forecast to arrive on Thursday (May 28) at 5PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Wednesday (May 27) at 11PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 23rd May) | 7.5ft (2.3m) 12s |
| Best Surf | 2AM (Sat 23rd May) | 7.5ft (2.3m) 12s |
| Most Powerful | 5PM (Thu 28th May) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for The Box over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Mon afternoon, min 12°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Wed afternoon. Warm (max 21°C on Wed morning, min 16°C on Mon night). Winds increasing (light winds from the NNE on Mon night, strong winds from the NW by Wed night). | ||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 12 | SW 12 | SW 12 | SW 11 | SW 14 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | SW 13 | SW 13 | WSW 18 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | W 13 | W 12 | WSW 12 | WSW 11 | WSW 10 | |
1488 | 1094 | 808 | 347 | 857 | 1543 | 775 | 1332 | 1484 | 651 | 380 | 835 | 1335 | 1943 | 2628 | 1800 | 4125 | 6445 | 4699 | 2695 | 1905 | |
Wind (km/h) | |||||||||||||||||||||
off | cross-off | cross-on | cross-off | cross-off | cross | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-on | on | on | on | cross-on | cross | cross-off | |
High Tide | 10:46AM0.56m | 10:05AM0.52m | 5:16PM0.43m | 8:53AM0.51m | 7:49PM0.37m | 7:55AM0.55m | 7:44AM0.61m | 7:52AM0.67m | 8:08AM0.72m | ||||||||||||
Low Tide | 1:00AM0.12m | 1:28AM0.20m | 3:34PM0.42m | 1:35AM0.29m | 3:49PM0.34m | 00:45AM0.35m | 4:15PM0.26m | 4:43PM0.20m | 5:12PM0.15m | 5:44PM0.12m | |||||||||||
 |  |  | |  | |  | | | | | |  | |  |  | |  | | | | |
 | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — |
 | 5:22 | — | 5:22 | — | — | 5:22 | — | — | 5:21 | — | — | 5:21 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 9 | — | 1 | — | — | 1 | |
Temp °C | 15 | 13 | 15 | 15 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 19 | 19 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 20 |
11 | 11 | 13 | 14 | 11 | 12 | 13 | 11 | 12 | 14 | 14 | 14 | 14 | 15 | 14 | 13 | 15 | 14 | 15 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 11 | SW 14 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | SW 13 | SW 13 | W 11 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | SW 13 | — | SW 21 | WSW 11 | WSW 10 |
 kJ | 1488 | 1094 | 808 | 347 | 857 | 1543 | 775 | 1332 | 1484 | 651 | 380 | 338 | 1335 | 1943 | 2628 | 1800 | 215 | — | 17 | 2695 | 1905 |
Swell 2 Height (m) Direction Period (s) | — | S 10 | S 9 | S 8 | SW 11 | S 11 | SW 16 | SSE 10 | S 9 | W 12 | W 11 | WSW 18 | W 11 | W 10 | — | SW 15 | — | — | — | SW 19 | SW 18 |
| kJ | — | 45 | 76 | 45 | 224 | 114 | 502 | 19 | 7 | 280 | 235 | 835 | 277 | 190 | — | 55 | — | — | — | 59 | 255 |
Swell 3 Height (m) Direction Period (s) | — | SW 18 | S 14 | S 12 | S 11 | WSW 18 | SSE 10 | — | SSE 9 | S 9 | WSW 20 | SW 13 | SW 12 | SW 11 | — | — | — | — | — | — | — |
| kJ | — | 13 | 35 | 98 | 151 | 211 | 34 | — | 8 | 2 | 301 | 277 | 144 | 64 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 4 | N 5 | N 5 | N 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NW 8 | W 13 | W 12 | WSW 12 | — | — |
| kJ | — | — | — | — | — | — | — | 41 | 70 | 70 | 123 | 150 | 142 | 237 | 273 | 1060 | 4125 | 6445 | 4699 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 34 | 0 | 0 | 3 | 0 | 34 | 34 | 34 | 44 | 44 | 34 | 136 | 195 | 458 | 195 | 357 | 12 | 159 | 159 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Box 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 Box Surf forecast
The above surf forecast table for The Box provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Box can be found by selecting the local surf guide option on the grey menu. Our The Box 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 Box) 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 Box 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 Box is 92 km (57 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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