Surf Forecasts:
The Window surf forecast from 11 Jul 2026:
- Best quality surf: Monday 13 Jul, 11PM (local time) - 10ft (3.0m), 15s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 18 Jul, 2AM (local time) - 16ft (5.0m), 18s period, WSW swell with 17,484 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 11PM (local time) - 10ft (3.0m), 15s period with SW swell.
Best Forecast Surf Conditions for The Window this week:
The surf forecast for The Window over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 13) at 11PM. The primary swell is predicted to be 3.0m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The Window in the next 16 days are 5.0m 18s and forecast to arrive on Saturday (Jul 18) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Wednesday (Jul 15) at 2PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 13th Jul) | 10ft (3.0m) 15s |
| Best Surf | 11PM (Mon 13th Jul) | 10ft (3.0m) 15s |
| Most Powerful | 2AM (Sat 18th Jul) | 16ft (5.0m) 18s |
Table - best surf conditions forecast for The Window over the next 16 days.
Alright folks, Rusty here. Let's have a look at what's on the menu for The Window over the next couple of weeks.
We've got a solid run of South-West swell on the way, but it’s not all going to be clean. The energy is absolutely pumping in the middle of the first week, with a massive surge of 3208 units of energy rolling in on Saturday the 11th. That’s a strong, powerful groundswell with a 13-second period, but the wind is going to mess it up. The first few days are a write-off for a proper surf. The swell is 10ft, but with a cross-shore wind, it's just going to be a lumpy, choppy mess. The water temp is 66°, which is about normal for this time of year.
The first real standout, and this is the session to aim for, is Tuesday the 14th. The swell has dropped a touch to a solid 10ft, still from the south-west, with 14-15 second periods. The magic is the wind. We’re looking at light, cross-offshore breezes from the north-east, and the report says "clean". For a spot like The Window, this is prime. The wave energy is still very strong at 3762 units, so it's a powerful, grinding reef wave. This is for advanced surfers only.
The conditions go downhill again after that with a strong north-west wind blowing from Wednesday the 15th through the 18th. The swell is all over the place, with some huge 16ft stuff on Saturday the 18th, but it’s accompanied by 28 mph winds and heavy rain. That’s a complete mess, and honestly, the setup looks more interesting for kite surfing than paddle surfing.
Now, hold on to your boards for the next potential standout. Sunday the 19th of July. The finder is calling for glassy conditions. Zero wind, a classic "glassy" surface. The swell is 12ft from the south-west with a 14-second period, pumping out 5092 units of energy. This is another big, powerful, long-period reef swell. The combo of a clean, calm surface and a solid 12ft south-west groundswell is a dream for anyone who can handle it. It’s a big step up, but if you’re an expert, that Sunday morning is the pick of the whole 16-day window.
The following week is more of a mixed bag. Monday the 20th has some clean, smaller 7ft-10ft surf with light offshore winds, but the rest of the week looks like it’s back to the onshore chop. There’s a pulse of energy on the 23rd with 13ft swell and 9736 units of energy, but the wind is on it, so it’s rough. The end of the run is a lot of onshore, choppy conditions.
So, to sum it up: The window is wide open, but you have to pick your moment. The standout is Tuesday the 14th for the clean, powerful swell, and for the absolute, glassy big-wave experience, Sunday the 19th is the one to circle. Everything else is a battle against the wind.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Sun morning, min 11°C on Tue morning). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Thu night. Very mild (max 19°C on Wed morning, min 14°C on Tue afternoon). Winds increasing (light winds from the NE on Tue afternoon, strong winds from the NW by Thu night). | ||||||||||||||||||||
Sat 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 13 | SW 13 | SW 14 | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 16 | WSW 15 | WSW 14 | WSW 14 | W 13 | WSW 13 | WSW 14 | WSW 18 | WSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3208 | 2511 | 3467 | 6851 | 8777 | 6285 | 5087 | 3970 | 3762 | 3326 | 2560 | 1894 | 1652 | 4734 | 3545 | 3717 | 4364 | 1674 | 2148 | 17484 | 16068 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on |
High Tide | 7:43AM0.83m | 8:32AM0.87m | 9:19AM0.87m | 10:03AM0.83m | 10:42AM0.76m | 11:10AM0.67m | 11:02AM0.56m | ||||||||||||||
Low Tide | 4:35PM-0.04m | 5:20PM-0.09m | 6:08PM-0.10m | 6:56PM-0.07m | 7:44PM-0.01m | 8:26PM0.08m | 8:54PM0.18m | ||||||||||||||
 |  | | | |  | |  |  | | | | |  |  | |  | |  |  | | |
 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 |
 | 5:25 | — | — | 5:27 | — | — | 5:28 | — | — | 5:28 | — | — | 5:29 | — | — | 5:29 | — | — | 5:30 | — | 5:30 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 10 | — | 5 | 10 | 3 |
Temp °C | 14 | 14 | 16 | 15 | 14 | 14 | 14 | 14 | 12 | 14 | 16 | 19 | 19 | 18 | 19 | 18 | 18 | 17 | 17 | 13 | 13 |
Feels °C | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 9 | 12 | 11 | 14 | 15 | 15 | 14 | 13 | 11 | 10 | 10 | 6 | 2 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 14 | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 18 | — |
| kJ | 3208 | 2511 | 3467 | 6851 | 8777 | 6285 | 5087 | 3970 | 3762 | 3326 | 2560 | 1894 | 1457 | 4734 | 3545 | 3717 | 2197 | 1674 | 2148 | 17484 | — |
Swell 2 Height (m) Direction Period (s) | — | SW 17 | SW 19 | SW 22 | — | — | — | — | — | — | NW 14 | SW 18 | SW 16 | WNW 13 | WNW 13 | WNW 13 | S 12 | SW 24 | WSW 21 | — | — |
| kJ | — | 2068 | 1295 | 563 | — | — | — | — | — | — | 7 | 1007 | 1652 | 17 | 16 | 16 | 3 | 23 | 546 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 22 | — | — | — | — | — | — | — | N 13 | WNW 13 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 778 | — | — | — | — | — | — | — | 32 | 18 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | N 5 | N 5 | N 5 | N 6 | W 13 | WNW 7 | WNW 8 | — | WSW 17 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 34 | 20 | 61 | 104 | 4364 | 362 | 993 | — | 16068 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 8 | 15 | 3 | 3 | 3 | 0 | 0 | 0 | 20 | 157 | 69 | 77 | 213 | 260 | 157 | 260 | 260 | 414 | 1322 |
Best forecast wave conditions in Margaret River | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the The Window Surf forecast
The above surf forecast table for The Window provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Window can be found by selecting the local surf guide option on the grey menu. Our The Window 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 Window) 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 Window 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 Window is 74 km (46 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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