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Surf Forecasts:
Radar Reef surfForecast / WA – Rottnest Island / Australia
48hr Weather and Surf, issued 7 pm Thursday 11 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
21.0° C
(Which is slightly warmer than usual)How big are the waves at Radar Reef today?
The current surf forecast for Radar Reef at 10PM is: 1.9m 8s primary swell from a Southwest direction and 0.8m 12s secondary swell from a West-southwest direction, 1.0m 5s secondary swell from a South direction (forecast issued at 07:00pm December 11). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 6ft (1.8m) | 12s |
| Evening (11 Dec) | 8ft (2.5m) | 8s |
Table - waves today at Radar Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 12 | 8 | 8 | 8 | 8 | 12 | 12 | 12 | 12 | 8 | 9 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1381 | 715 | 473 | 373 | 359 | 304 | 365 | 992 | 1276 | 510 | 547 | 660 | 488 | 386 | 347 | 247 | 243 | 193 | 173 | 389 | 273 | 186 | 170 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | cross | cross | cross | cross- on | on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 9:24PM 0.53 | 8:12PM 0.48 | 6:28PM 0.52 | |||||||||||||||||||||
Low Tide / height (m) | 9:15AM 0.28 | 7:01AM 0.25 | 6:28AM 0.22 | |||||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 22 | 23 | 20 | 19 | 19 | 24 | 23 | 22 | 24 | 25 | 22 | 20 | 21 | 26 | 25 | 24 | 28 | 29 | 25 | 24 | 26 | 33 | 34 |
| Feels °C (?) | 14 | 14 | 18 | 14 | 12 | 12 | 18 | 16 | 14 | 17 | 17 | 16 | 15 | 17 | 22 | 20 | 19 | 23 | 21 | 18 | 18 | 20 | 29 | 33 |
- 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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