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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 Tuesday 19 May 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
21.0° C
(Which is slightly cooler than normal)How big are the waves at Derrs today?
The current surf forecast for Derrs at 11AM is: 1.3m 16s primary swell from a West-southwest direction and 1.2m 11s secondary swell from a Southwest direction (forecast issued at 07:00am May 19). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 4ft (1.2m) | 16s |
| Afternoon (19 May) | 4.5ft (1.3m) | 16s |
| Evening (19 May) | 5.5ft (1.7m) | 15s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Tue afternoon, min 14°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the S by Thu night). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 16 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | |
635 | 724 | 838 | 817 | 815 | 1225 | 1208 | 1145 | 1208 | 1010 | 1130 | 1010 | 982 | 457 | 463 | 1042 | 1159 | 1370 | 1370 | 1370 | 1538 | 1277 | 1048 | 1390 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross | cross-off | cross-off | cross-off | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 10:15AM0.77m | 10:54AM0.72m | 11:27AM0.65m | |||||||||||||||||||||
Low Tide | 9:19PM-0.02m | 10:35PM0.01m | 11:32PM0.06m | |||||||||||||||||||||
 |  | | | | | | | | | |  | |  | | |  | | | |  | | | | |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:01 |
 | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — | 5:24 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 21 | 23 | 22 | 21 | 20 | 18 | 18 | 17 | 21 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 20 | 20 | 19 | 18 | 17 | 15 |
14 | 14 | 18 | 21 | 20 | 19 | 16 | 13 | 13 | 14 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 15 | 13 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
 kJ | 373 | 373 | 838 | 817 | 815 | 1225 | 1208 | 1145 | 1208 | 1010 | 1130 | 1010 | 982 | 437 | 451 | 1042 | 1159 | 1370 | 1370 | 1370 | 1538 | 1277 | 1048 | 1390 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | WSW 16 | SW 11 | WSW 11 | SW 11 | WSW 10 | WSW 11 | — | — | — | — | — | — | WSW 16 | WSW 16 | — | — | — | — | — | — | — | WSW 7 | WSW 7 |
| kJ | 635 | 724 | 366 | 335 | 273 | 173 | 180 | — | — | — | — | — | — | 457 | 463 | — | — | — | — | — | — | — | 185 | 127 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNE 3 | N 3 | NNW 3 | NNW 3 | — | — | — | — | — | — | — | — | S 3 | SSW 4 | SSW 5 | SSW 7 | S 5 |
| kJ | — | — | — | — | — | — | — | 1 | 2 | 3 | 2 | — | — | — | — | — | — | — | — | 5 | 11 | 63 | 278 | 59 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 45 | 220 | 0 | 0 | 45 | 25 | 0 | 0 | 45 | 41 | 0 | 0 | 0 | 0 | 13 | 186 | 477 | 627 | 746 | 186 | 186 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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