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Radar Reef Surf Forecast
/ WA – Rottnest Island (6 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Radar Reef surfForecast / WA – Rottnest Island / Australia
48hr Weather and Surf, issued 1 pm Wednesday 17 Sep 2025 AWST
How big are the waves at Radar Reef today?
The current surf forecast for Radar Reef at 4PM is: 2.5m 11s primary swell from a West-southwest 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) | 8ft (2.5m) | 11s |
| Afternoon (17 Sep) | 8ft (2.5m) | 11s |
| Evening (17 Sep) | 8ft (2.4m) | 11s |
Table - waves today at Radar Reef. (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) (?) | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1539 | 1541 | 1298 | 1331 | 1207 | 486 | 1176 | 1204 | 816 | 1082 | 2487 | 2710 | 2522 | 2522 | 2374 | 2408 | 2754 | 2754 | 2494 | 2460 | 2285 | 2005 | 1746 | 1534 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off |
High Tide / height (m) | 7:02AM 0.83 | 11:29PM 0.55 | 7:57AM 0.77 | 10:19PM 0.50 | ||||||||||||||||||||
Low Tide / height (m) | 3:38PM 0.29 | 3:57PM 0.31 | 12:23AM 0.55 | 4:02PM 0.32 | 1:54AM 0.45 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 |
| Sunset | - | - | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - |
 |  |  |  |  | | |  | | | | | | |  | | | | | | | | | | |
Rain (mm) | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 13 |
| Feels °C (?) | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 9 | 9 | 9 | 11 | 10 | 11 | 11 | 14 | 13 | 11 | 11 | 12 | 12 | 11 | 10 |
- Map Icons:
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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 - Rottnest Island
The wind is still cross-on at Radar Reef (light winds from the W at Rottnest Island Lighthouse 5 km from Radar Reef). A 2.8m swell from the W
Actual: 54 min ago
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