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Surf Forecasts:
Derrs surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 pm Wednesday 10 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Derrs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Derrs sea temperature is
21.2° C
(Which is slightly warmer than usual)How big are the waves at Derrs today?
The current surf forecast for Derrs at 2AM is: 1.3m 13s primary swell from a West-southwest direction and 1.2m 6s secondary swell from a Southwest direction (forecast issued at 07:00pm December 10). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 5ft (1.5m) | 13s |
| Afternoon (11 Dec) | 6ft (1.9m) | 12s |
| Evening (11 Dec) | 8ft (2.4m) | 8s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 8 | 8 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 732 | 732 | 721 | 581 | 649 | 746 | 784 | 944 | 1381 | 637 | 545 | 1094 | 390 | 397 | 403 | 1187 | 1493 | 1427 | 940 | 710 | 542 | 393 | 309 | 280 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross | cross- off | cross- off | cross- off | off | cross- off | cross |
High Tide / height (m) | 10:33PM 0.51 | 9:58PM 0.46 | 7:02PM 0.44 | |||||||||||||||||||||
Low Tide / height (m) | 10:51AM 0.21 | 8:10AM 0.24 | 7:48AM 0.23 | |||||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:14 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 21 | 21 | 21 | 21 | 24 | 24 | 22 | 22 | 22 | 24 | 21 | 20 | 23 | 28 | 30 | 28 | 29 | 27 | 22 | 20 | 24 | 31 | 32 |
| Feels °C (?) | 19 | 18 | 20 | 19 | 19 | 23 | 21 | 17 | 18 | 18 | 22 | 17 | 16 | 19 | 25 | 27 | 24 | 26 | 23 | 16 | 15 | 19 | 28 | 30 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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