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Surf Forecasts:
Radar Reef surfForecast / WA – Rottnest Island / Australia
48hr Weather and Surf, issued 7 am Saturday 13 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
21.3° 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 3PM is: 1.0m 11s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a West direction, 0.9m 4s secondary swell from a South-southwest direction (forecast issued at 07:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4ft (1.2m) | 12s |
| Afternoon (13 Dec) | 3.5ft (1.0m) | 11s |
| Evening (13 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
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 549 | 386 | 347 | 247 | 243 | 193 | 178 | 476 | 347 | 247 | 186 | 186 | 135 | 193 | 204 | 215 | 218 | 215 | 215 | 171 | 157 | 147 | 146 | 220 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- on | on | cross- off | on | on | on |
High Tide / height (m) | 6:28PM 0.52 | 6:13PM 0.61 | 6:34PM 0.73 | |||||||||||||||||||||
Low Tide / height (m) | 7:01AM 0.25 | 6:28AM 0.22 | 5:32AM 0.22 | |||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:19 | - | - | - |
 |  | | | | | | | |  |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 8 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 24 | 24 | 23 | 26 | 30 | 25 | 23 | 25 | 31 | 31 | 22 | 25 | 25 | 26 | 25 | 25 | 26 | 23 | 24 | 23 | 21 | 21 |
| Feels °C (?) | 15 | 15 | 20 | 19 | 18 | 21 | 23 | 18 | 17 | 19 | 28 | 27 | 15 | 20 | 18 | 21 | 23 | 24 | 26 | 24 | 26 | 25 | 22 | 22 |
- 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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