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Surf Forecasts:
Derrs surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 pm Tuesday 09 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
21.1° C
(Which is slightly warmer than usual)How big are the waves at Derrs today?
The current surf forecast for Derrs at 10PM is: 1.3m 13s primary swell from a West-southwest direction and 1.1m 13s secondary swell from a West-southwest direction, 1.6m 7s secondary swell from a Southwest direction (forecast issued at 07:00pm December 09). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | 6ft (1.8m) | 13s |
| Evening (09 Dec) | 4.5ft (1.4m) | 13s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 7 | 8 | 9 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 613 | 679 | 555 | 630 | 1034 | 841 | 769 | 721 | 732 | 732 | 721 | 581 | 649 | 828 | 784 | 799 | 1048 | 421 | 640 | 402 | 390 | 397 | 925 | 1187 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- off | cross- off | off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross | cross- on |
High Tide / height (m) | 11:00PM 0.59 | 10:33PM 0.51 | 9:58PM 0.46 | |||||||||||||||||||||
Low Tide / height (m) | 10:57AM 0.15 | 10:51AM 0.21 | 8:10AM 0.24 | |||||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:13 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 19 | 19 | 19 | 17 | 21 | 27 | 24 | 22 | 20 | 20 | 20 | 20 | 23 | 24 | 22 | 21 | 21 | 23 | 20 | 19 | 21 | 26 | 26 |
| Feels °C (?) | 16 | 16 | 17 | 16 | 13 | 18 | 26 | 21 | 18 | 18 | 19 | 20 | 19 | 23 | 21 | 19 | 18 | 18 | 21 | 17 | 15 | 17 | 23 | 22 |
- 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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