Surf Forecasts:
How big are the waves at Back Beach today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.1m), 17s period with WSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 5ft (1.6m), 17s period with WSW swell.
The current surf forecast for Back Beach at 3PM is: 1.1m 17s primary swell from a West-southwest direction and 1.1m 12s secondary swell from a West-southwest direction, 1.1m 5s secondary swell from a Northwest direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-shore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 16s |
| Afternoon (18 Sep) | 3.5ft (1.1m) | 17s |
| Evening (18 Sep) | 5ft (1.6m) | 17s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 23°C on Fri morning, min 14°C on Sun night). Winds decreasing (strong winds from the NW on Fri afternoon, light winds from the ENE by Sun night). | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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 16 | WSW 16 | WSW 17 | W 17 | WSW 17 | WSW 16 | WSW 16 | W 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 615 | 412 | 422 | 673 | 3194 | 1297 | 1559 | 1652 | 6438 | 7711 | 7664 | 7216 | 7214 | 5357 | 3775 | 3092 | 2510 | 2052 | 1677 | 1458 | 1597 | 1774 | 2631 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross |
High Tide | 00:41AM0.55m | 2:59AM0.52m | |||||||||||||||||||||
Low Tide | 2:13PM0.12m | 2:31PM0.11m | 2:48PM0.10m | ||||||||||||||||||||
 |  |  |  | |  |  |  | | | | | | | | | |  | | | | | | |
 | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 16 | 17 | 23 | 23 | 16 | 15 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 17 | 16 |
Feels °C | 15 | 15 | 18 | 15 | 11 | 8 | 9 | 10 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | — | WSW 17 | WSW 16 | WSW 16 | — | — | — | — | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 16 |
| kJ | 615 | 377 | 371 | 350 | — | 1297 | 1559 | 1652 | — | — | — | — | 6588 | 5357 | 3775 | 3092 | 2510 | 2052 | 1677 | 1458 | 1597 | 1774 | 2631 |
Swell 2 Height (m) Direction Period (s) | WSW 17 | WSW 16 | WSW 16 | WSW 17 | — | WSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 15 | — | — |
| kJ | 351 | 412 | 422 | 673 | — | 180 | — | — | — | — | — | — | — | — | — | — | — | — | 93 | 163 | 438 | — | — |
Swell 3 Height (m) Direction Period (s) | — | WNW 4 | WSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 6 | 75 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 4 | NW 4 | NW 4 | NW 5 | W 17 | W 8 | W 9 | W 9 | W 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 7 | 9 | 47 | 3194 | 796 | 1178 | 1098 | 6438 | 7711 | 7664 | 7216 | 7214 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 71 | 438 | 438 | 438 | 474 | 445 | 542 | 563 | 695 | 1018 | 1951 | 1813 | 1813 | 240 | 178 | 178 | 71 | 90 | 265 | 289 | 184 | 3 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||||
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