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Surf Forecasts:
Radar Reef surfForecast / WA – Rottnest Island / Australia
48hr Weather and Surf, issued 7 pm Monday 15 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Radar Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Radar Reef sea temperature is
21.4° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Radar Reef today?
The current surf forecast for Radar Reef at 10PM is: 0.8m 11s primary swell from a West-southwest direction and 0.5m 16s secondary swell from a West-southwest direction (forecast issued at 07:00pm December 15). The wind direction is predicted to be onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 3ft (0.9m) | 11s |
| Evening (15 Dec) | 3ft (0.9m) | 11s |
Table - waves today at Radar Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 16 | 15 | 15 | 15 | 14 | 15 | 11 | 15 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 193 | 186 | 149 | 220 | 204 | 196 | 242 | 478 | 326 | 323 | 266 | 249 | 305 | 478 | 862 | 2339 | 1917 | 1688 | 1517 | 1061 | 826 | 678 | 383 | 388 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | glass | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 6:34PM 0.73 | 7:01PM 0.85 | 7:31PM 0.95 | |||||||||||||||||||||
Low Tide / height (m) | 4:53AM 0.23 | 4:53AM 0.25 | 5:09AM 0.27 | |||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:07 | - | - |
| Sunset | 7:19 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:21 | - | - | - | - | - | - | - |
 |  | | | | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 17 | 18 | 21 | 21 |
| Feels °C (?) | 25 | 27 | 26 | 24 | 22 | 24 | 23 | 21 | 18 | 17 | 18 | 16 | 14 | 13 | 14 | 16 | 14 | 13 | 13 | 12 | 12 | 13 | 16 | 14 |
- 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)
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