Surf Forecasts:
How big are the waves at Portsea Back Beach today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 6ft (1.8m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 5ft (1.6m), 15s period with SW swell.
- Evening surf: Evening surf (01 Sep, local time) - 4.5ft (1.4m), 14s period with SW swell.
The current surf forecast for Portsea Back Beach at 3AM is: 2.2m 16s primary swell from a Southwest direction and 0.4m 17s secondary swell from a South-southwest direction (forecast issued at 09:00pm August 31). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 6ft (1.8m) | 16s |
| Afternoon (01 Sep) | 5ft (1.6m) | 15s |
| Evening (01 Sep) | 4.5ft (1.4m) | 14s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 19°C on Tue morning, min 11°C on Wed night). Mainly strong winds. | ||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||
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 15 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 1638 | 3005 | 2475 | 2035 | 1847 | 1572 | 1339 | 1025 | 911 | 833 | 810 | 1109 | 1325 | 2133 | 2516 | 2553 | 2517 | 2612 |
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-off | cross-off | cross-off | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 2:12AM1.40m | 2:21PM1.40m | 2:56AM1.46m | 2:51PM1.42m | ||||||||||||||
Low Tide | 8:03PM0.34m | 8:21AM0.37m | 8:37PM0.25m | 8:59AM0.42m | 9:13PM0.18m | |||||||||||||
 | | | |  | | |  |  | | | |  | | | | | | |
 | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 12 | 14 | 19 | 19 | 16 | 15 | 14 | 13 | 13 | 13 | 15 | 15 | 13 | 11 |
Feels °C | 12 | 10 | 9 | 9 | 5 | 6 | 12 | 12 | 9 | 10 | 9 | 9 | 11 | 9 | 10 | 9 | 8 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 |
| kJ | 1638 | 3005 | 2475 | 2035 | 1847 | 1572 | 1339 | 1025 | 911 | 833 | 810 | 1109 | 1325 | 2133 | 2516 | 2553 | 2517 | 2612 |
Swell 2 Height (m) Direction Period (s) | SW 18 | S 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 17 | SW 18 | WSW 6 | SSW 17 | S 16 | S 16 | SSW 16 | SSW 16 |
| kJ | 795 | 151 | 97 | 89 | 81 | 83 | 48 | 47 | 47 | 21 | 290 | 117 | 20 | 99 | 131 | 131 | 83 | 193 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | — | — | — | — | — | — | — | — | — | SSW 15 | SSW 18 | — | — | — | — | — | — |
| kJ | 103 | — | — | — | — | — | — | — | — | — | 45 | 31 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 3 | N 3 | N 4 | N 4 | NW 4 | NW 4 | NW 4 | WNW 4 | W 4 | NNW 4 | — | — | — | — | — |
| kJ | — | — | — | 5 | 10 | 44 | 41 | 35 | 29 | 17 | 24 | 15 | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 4 | 0 | 7 | 17 | 17 | 485 | 68 | 34 | 269 | 25 | 25 | 27 | 13 | 25 | 27 | 25 | 27 | 25 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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