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Surf Forecasts:
Derrs surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 1 am Monday 15 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
21.6° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Derrs today?
The current surf forecast for Derrs at 7AM is: 0.9m 12s primary swell from a West-southwest direction and 0.4m 18s secondary swell from a West-southwest direction (forecast issued at 01:00am December 15). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 3ft (0.9m) | 12s |
| Afternoon (15 Dec) | 3ft (0.9m) | 12s |
| Evening (15 Dec) | 2.5ft (0.7m) | 16s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 227 | 239 | 243 | 243 | 243 | 239 | 227 | 176 | 229 | 288 | 270 | 283 | 568 | 522 | 353 | 372 | 372 | 344 | 405 | 732 | 789 | 1144 | 1357 | 1392 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- on | on | glass | on | glass | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on |
High Tide / height (m) | 6:42PM 0.60 | 7:06PM 0.63 | 7:33PM 0.66 | |||||||||||||||||||||
Low Tide / height (m) | 4:16AM 0.17 | 4:28AM 0.12 | 4:47AM 0.09 | |||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:19 | - |
 | | |  | | | | | | | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 27 | 29 | 28 | 26 | 26 | 24 | 23 | 22 | 21 | 23 | 26 | 25 | 23 | 21 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 24 | 24 | 25 | 28 | 27 | 26 | 29 | 25 | 25 | 23 | 22 | 23 | 27 | 24 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 18 |
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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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