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) - 10ft (3.0m), 17s period with W swell.
The current surf forecast for Back Beach at 6AM is: 1.2m 13s primary swell from a West-southwest direction and 0.8m 16s secondary swell from a West-southwest direction, 0.4m 4s secondary swell from a Northwest direction (forecast issued at 01:00am September 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| 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) | 10ft (3.0m) | 17s |
Table - waves today at Back Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri morning, min 14°C on Sun night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the W by Sat night). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 12 | WSW 16 | WSW 17 | W 17 | W 17 | WSW 16 | W 16 | W 15 | WSW 14 | 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 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 586 | 615 | 377 | 454 | 673 | 3194 | 4748 | 1559 | 4904 | 6882 | 7956 | 7474 | 7216 | 6588 | 5281 | 3930 | 3045 | 2510 | 2052 | 1738 | 1398 | 1597 | 1515 | 3262 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | 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 | on | cross-on | cross-off | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 00:00AM0.57m | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 23 | 22 | 16 | 15 | 16 | 18 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 18 | 17 | 18 | 17 | 16 |
Feels °C | 15 | 15 | 15 | 18 | 15 | 10 | 7 | 9 | 11 | 9 | 9 | 9 | 11 | 12 | 13 | 14 | 15 | 17 | 15 | 17 | 16 | 17 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | — | — | 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 17 |
| kJ | 586 | 615 | 377 | 454 | 377 | — | — | 1559 | 2058 | — | — | — | — | 6588 | 5281 | 3930 | 3045 | 2510 | 2052 | 1738 | 1398 | 1597 | 1515 | 3262 |
Swell 2 Height (m) Direction Period (s) | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 15 | SW 18 | — |
| kJ | 184 | 351 | 334 | 422 | 673 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 93 | 163 | 432 | 311 | — |
Swell 3 Height (m) Direction Period (s) | WNW 4 | — | WSW 20 | WSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | 78 | 75 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 4 | WNW 4 | NW 4 | NW 5 | W 17 | W 17 | W 10 | W 16 | W 15 | WSW 14 | WSW 14 | WSW 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 6 | 14 | 47 | 3194 | 4748 | 1184 | 4904 | 6882 | 7956 | 7474 | 7216 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 50 | 438 | 438 | 438 | 474 | 474 | 542 | 563 | 695 | 1018 | 1951 | 1813 | 1813 | 240 | 178 | 4 | 0 | 50 | 184 | 121 | 111 | 50 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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