Surf Forecasts:
How big are the waves at Portsea Back Beach today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 11ft (3.5m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 10ft (3.0m), 16s period with SW swell.
- Evening surf: Evening surf (10 Sep, local time) - 10ft (3.0m), 16s period with SW swell.
The current surf forecast for Portsea Back Beach at 7AM is: 3.5m 17s primary swell from a Southwest direction and 1.0m 18s secondary swell from a South direction (forecast issued at 03:00am September 10). The wind direction is predicted to be onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 11ft (3.5m) | 17s |
| Afternoon (10 Sep) | 10ft (3.0m) | 16s |
| Evening (10 Sep) | 10ft (3.0m) | 16s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 10°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 8703 | 7981 | 7129 | 5849 | 4930 | 4437 | 3725 | 3227 | 2741 | 2482 | 2278 | 2278 | 2525 | 2945 | 3455 | 3589 | 3589 | 3353 | 2963 | 2723 | 2289 | 2150 | 1907 | 1675 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-off | cross-off | off | cross-off | off | cross-off |
High Tide | 10:41AM1.24m | 10:31PM1.22m | 11:44AM1.29m | 11:52PM1.31m | 12:34PM1.35m | |||||||||||||||||||
Low Tide | 3:47AM0.36m | 4:42PM0.65m | 5:10AM0.36m | 5:52PM0.51m | 6:17AM0.34m | 6:46PM0.38m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | |  | | | | | | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 14 | 18 | 19 | 17 |
Feels °C | 4 | 6 | 5 | 5 | 7 | 6 | 6 | 8 | 9 | 8 | 8 | 9 | 10 | 9 | 9 | 10 | 9 | 9 | 7 | 7 | 11 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 8703 | 7981 | 7129 | 5849 | 4930 | 4437 | 3725 | 3227 | 2741 | 2482 | 2278 | 2278 | 2525 | 2945 | 3455 | 3589 | 3589 | 3353 | 2963 | 2723 | 2289 | 2150 | 1907 | 1675 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | SSW 17 | SSW 16 | S 16 | SSW 15 | SSW 15 | S 14 | S 13 | — | SSW 13 | SSW 17 | SSW 17 | SSW 18 | SSW 16 | SSW 15 | SSW 16 | SSW 17 | SSW 16 | S 17 | S 17 | SSW 16 | SSW 15 |
| kJ | 675 | 690 | 632 | 381 | 333 | 183 | 246 | 186 | 107 | 92 | — | 317 | 385 | 372 | 408 | 341 | 240 | 276 | 229 | 211 | 151 | 151 | 89 | 76 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 124 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 170 | 31 | 27 | 31 | 266 | 266 | 31 | 27 | 25 | 25 | 25 | 31 | 35 | 35 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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