The Box surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 1 am Tuesday 14 Apr 2026 AWST
Forecast 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
20.5° C
(Which is normal for this time of year)

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 Tuesday (Apr 14) at 11AM. The primary swell is predicted to be 2.1m and 14s period with a secondary swell of 1.0m and 16s. The wind is predicted to be cross-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 Tuesday (Apr 21) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Tuesday (Apr 14) at 11PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Tue 14th Apr)7ft (2.1m) 14s
Best Surf11AM (Tue 14th Apr)7ft (2.1m) 14s
Most Powerful 5AM (Tue 21st Apr)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 Forecast Mostly dry. Warm (max 21°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Warm (max 20°C on Fri afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sat night).

Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
4
2
4
3
3
4
3
1
4
0
0
0
3
2
4
3
2
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.1
SW
3
SW
3
SW
2.5
SW
2.4
SW
3
SW
3
SW
2.5
SW
2.3
SW
1.6
SW
1.4
SW
2.5
WSW
2.5
WSW
2.5
WSW
2.5
WSW
2.5
WSW
2.5
SW
2.5
SW
2.1
SW
1.9
SW
4.5
WSW
Period(s) (?)141414141415131312111110101114141313121312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1519284534202450206542342817239914766734881157122013862799261322752013126911366342
Wind
(km/h)
10
SSE
25
SSE
20
SSE
25
SSE
25
SSE
15
SE
15
SSE
25
S
10
SE
20
WNW
35
WNW
20
SW
10
SSW
15
SW
0
SE
10
NW
10
WNW
15
NW
45
NNW
35
WSW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
oncross-
on
cross-
on
crosscross-
on
glasscross-
on
cross-
on
cross-
on
crossonon
High Tide
/ height (m)
Low Tide
/ height (m)
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Sunrise6:41--6:41--6:41--6:43--6:43--6:45--6:45--
Sunset-5:59--5:58--5:55--5:54--5:53--5:52--5:52-
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
thunderstorm
cloud
part cloud
part cloud
part cloud
clear
clear
cloud
rain showers
light rain
Rain (mm)
-----------2-------42
Temp. °C202117181916192017192019161717171616192017
Feels °C (?)201813141412161514161514131414151314121211
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Quick surf report for The Box:

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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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