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Derrs Surf Forecast
/ WA – Perth City (29 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Derrs surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 am Monday 20 Apr 2026 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
21.7° C
(Which is slightly cooler than normal)How big are the waves at Derrs today?
The current surf forecast for Derrs at 2PM is: 1.5m 13s primary swell from a West-southwest direction and 1.1m 16s secondary swell from a Southwest direction, 0.9m 4s secondary swell from a West-northwest direction (forecast issued at 07:00am April 20). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 5.5ft (1.7m) | 13s |
| Afternoon (20 Apr) | 5ft (1.5m) | 13s |
| Evening (20 Apr) | 6ft (1.8m) | 15s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 15 | 15 | 8 | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1014 | 1014 | 1151 | 772 | 1753 | 1472 | 1841 | 3424 | 3921 | 4164 | 4489 | 4425 | 4159 | 3663 | 3120 | 2587 | 2221 | 1848 | 1643 | 1363 | 1170 | 1044 | 787 | 775 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | off | off | cross- off | on | on | cross- on | on | cross- on |
High Tide / height (m) | 10:24AM 0.73 | 10:58AM 0.72 | 11:34AM 0.68 | |||||||||||||||||||||
Low Tide / height (m) | 9:36PM 0.04 | 11:24PM 0.02 | 12:27AM 0.03 | |||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:49 | - | - | - |
 |  |  |  | |  |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 19 | 20 | 19 | 20 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 14 | 13 | 13 | 17 | 18 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 15 | 15 | 16 | 15 | 13 | 14 | 10 | 7 | 7 | 9 | 10 | 11 | 13 | 14 | 13 | 11 | 10 | 9 | 14 | 14 | 13 | 14 | 15 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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