Surf Forecasts:
How big are the waves at Derrs today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 4.5ft (1.4m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4ft (1.2m), 19s period with WSW swell.
- Evening surf: Evening surf (11 Sep, local time) - 6ft (1.8m), 18s period with WSW swell.
The current surf forecast for Derrs at 11AM is: 1.4m 14s primary swell from a West-southwest direction and 1.0m 19s secondary swell from a West-southwest direction (forecast issued at 07:00am September 11). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 4.5ft (1.4m) | 15s |
| Afternoon (11 Sep) | 4ft (1.2m) | 19s |
| Evening (11 Sep) | 6ft (1.8m) | 18s |
Table - waves today at Derrs. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 22°C on Fri afternoon, min 13°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the NW by Sat night). | |||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||||
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 16 | WSW 15 | WSW 14 | WSW 14 | WSW 19 | WSW 18 | WSW 18 | WSW 17 | W 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 16 | WSW 16 | WSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 966 | 869 | 845 | 913 | 1451 | 1640 | 2818 | 2755 | 4182 | 4364 | 1675 | 1634 | 3369 | 1245 | 892 | 845 | 943 | 1750 | 1913 | 2243 | 2271 | 2295 | 2516 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross-on | cross-on | on | on | on | on | on | cross | cross | cross | cross-off | cross-on | on | on | cross-on | cross-on |
High Tide | 9:34AM0.52m | 10:17PM0.41m | 10:11AM0.44m | 10:25PM0.48m | 10:40AM0.36m | 10:36PM0.53m | |||||||||||||||||
Low Tide | 2:51AM0.27m | 4:17PM0.22m | 3:52AM0.25m | 3:52PM0.25m | 4:46AM0.23m | 3:32PM0.25m | |||||||||||||||||
 |  | | | |  | |  | |  | | | | | | | | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 20 | 22 | 19 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 13 | 16 | 17 | 17 | 17 | 16 |
Feels °C | 9 | 9 | 17 | 19 | 17 | 16 | 15 | 15 | 13 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 18 | WSW 18 | WSW 17 | — | — | WSW 8 | WSW 9 | WSW 16 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 14 | WSW 14 | WSW 16 | WSW 16 | WSW 16 | WSW 15 |
| kJ | 966 | 869 | 845 | 911 | 826 | 1640 | 2818 | 2755 | — | — | 737 | 708 | 3369 | 886 | 858 | 763 | 480 | 1750 | 1913 | 2243 | 2271 | 2295 | 2516 |
Swell 2 Height (m) Direction Period (s) | WSW 21 | WSW 20 | WSW 19 | WSW 19 | WSW 19 | WSW 14 | — | — | — | — | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 18 | — | WSW 16 | — | — | — |
| kJ | 260 | 353 | 774 | 913 | 1451 | 640 | — | — | — | — | 1675 | 1634 | 999 | 1245 | 892 | 845 | 943 | 337 | — | 480 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 18 | W 18 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 266 | 238 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | N 4 | N 4 | NW 5 | NW 4 | NW 4 | NW 5 | W 17 | WSW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | 13 | 7 | 10 | 11 | 16 | 21 | 84 | 4182 | 4364 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 6 | 85 | 45 | 391 | 303 | 303 | 364 | 397 | 489 | 873 | 873 | 334 | 324 | 324 | 34 | 81 | 13 | 0 | 334 | 434 | 434 | 186 | 34 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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