Surf Forecasts:
How big are the waves at Derrs today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 7ft (2.1m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 12s period with WSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 6ft (1.8m), 13s period with WSW swell.
The current surf forecast for Derrs at 5AM is: 2.4m 13s primary swell from a West-southwest direction and 1.6m 13s secondary swell from a West-southwest direction (forecast issued at 01:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 7ft (2.1m) | 13s |
| Afternoon (20 Sep) | 6ft (1.8m) | 12s |
| Evening (20 Sep) | 6ft (1.8m) | 13s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sun morning, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 998 | 1945 | 1599 | 1276 | 1125 | 1081 | 1077 | 1811 | 2075 | 2123 | 2098 | 2070 | 2098 | 2088 | 2144 | 1835 | 1632 | 1428 | 1191 | 1175 | 1244 | 1427 | 1388 | 1291 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | on | on | cross-on | cross-on | cross | cross-off | cross-off | off | glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 3:21AM0.52m | 5:15AM0.53m | 6:17AM0.54m | |||||||||||||||||||||
Low Tide | 2:49PM0.10m | 3:02PM0.10m | 3:11PM0.11m | |||||||||||||||||||||
 | |  |  | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 15 | 18 | 18 | 17 | 16 | 16 |
Feels °C | 15 | 15 | 16 | 18 | 17 | 15 | 16 | 16 | 15 | 14 | 14 | 17 | 15 | 13 | 12 | 12 | 12 | 12 | 14 | 15 | 14 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 13 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 833 | 1945 | 1599 | 1276 | 1125 | 1081 | 1077 | 1811 | 2075 | 2123 | 2098 | 2070 | 2098 | 2088 | 2144 | 1835 | 1632 | 1428 | 1191 | 1175 | 1244 | 1427 | 1388 | 1291 |
Swell 2 Height (m) Direction Period (s) | WSW 13 | WSW 13 | — | WSW 13 | WSW 13 | W 10 | W 12 | WSW 16 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 998 | 865 | — | 362 | 465 | 271 | 273 | 452 | 138 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 138 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | S 4 | S 4 | S 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 12 | 14 | 7 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 223 | 89 | 13 | 48 | 46 | 48 | 27 | 13 | 0 | 0 | 0 | 0 | 186 | 186 | 186 | 186 | 104 | 0 | 0 | 104 | 186 | 220 | 221 | 24 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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