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The Window Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
The Window surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 1 pm Wednesday 17 Sep 2025 AWST
How big are the waves at The Window today?
The current surf forecast for The Window at 4PM is: 3.0m 11s primary swell from a West-southwest direction and 0.6m 10s secondary swell from a South direction, 0.6m 10s secondary swell from a South direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 11ft (3.5m) | 11s |
| Afternoon (17 Sep) | 11ft (3.5m) | 11s |
| Evening (17 Sep) | 11ft (3.5m) | 11s |
Table - waves today at The Window. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2877 | 2445 | 2372 | 2483 | 2829 | 2917 | 3213 | 3025 | 2250 | 6135 | 5887 | 5887 | 5970 | 6488 | 7622 | 7664 | 7077 | 6415 | 5974 | 5313 | 4550 | 3872 | 3492 | 3137 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross | cross | cross- off | glass |
High Tide / height (m) | 7:33AM 0.67 | 8:17AM 0.64 | 11:12PM 0.38 | |||||||||||||||||||||
Low Tide / height (m) | 3:51PM 0.04 | 4:15PM 0.09 | 4:30PM 0.15 | 1:44AM 0.37 | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 |
| Sunset | - | - | 6:12 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - |
 | |  |  | |  | |  | |  | |  | |  | |  | | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
| Feels °C (?) | 8 | 8 | 7 | 8 | 6 | 7 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 11 | 12 | 12 | 13 | 12 | 13 | 12 | 13 | 13 |
- Map Icons:
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
Wind reports 21 km away suggest it is still onshore at The Window (fresh winds from the WSW at Cape Naturaliste Lh). 3.2m 11s groundswell from the WSW with a 0.8m 10s swell from the S. 2 swells combining so expect closeout sets.
21 km away, 1 h 24 min ago
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