Surf Forecasts:
How big are the waves at Portsea Back Beach today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 6.5ft (2.0m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 6ft (1.8m), 14s period with SW swell.
- Evening surf: Evening surf (23 Sep, local time) - 5.5ft (1.7m), 13s period with SW swell.
The current surf forecast for Portsea Back Beach at 3AM is: 2.4m 15s primary swell from a Southwest direction and 0.6m 15s secondary swell from a South direction (forecast issued at 09:00pm September 22). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 6.5ft (2.0m) | 14s |
| Afternoon (23 Sep) | 6ft (1.8m) | 14s |
| Evening (23 Sep) | 5.5ft (1.7m) | 13s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 24°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||
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 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 4175 | 3455 | 2868 | 2326 | 1863 | 1602 | 1220 | 1169 | 1135 | 999 | 984 | 905 | 755 | 755 | 680 | 543 | 543 | 418 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | off | glassy | cross | cross | cross-off | cross-off | off | off | cross-off | cross-off | glassy | glassy | cross-off | cross-off |
High Tide | 6:21PM1.10m | 8:05AM1.14m | 7:29PM1.04m | 9:08AM1.12m | 8:53PM1.03m | |||||||||||||
Low Tide | 1:06AM0.42m | 1:54PM0.75m | 2:09AM0.47m | 3:09PM0.72m | ||||||||||||||
 | | | |  | | | | | |  |  |  | | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 9 | 8 | 7 | 8 | 11 | 12 | 14 | 13 | 13 | 12 | 12 | 14 | 21 | 24 | 22 | 21 |
Feels °C | 6 | 5 | 6 | 5 | 4 | 6 | 9 | 8 | 11 | 11 | 12 | 10 | 9 | 10 | 20 | 23 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 4175 | 3455 | 2868 | 2326 | 1863 | 1602 | 1220 | 1169 | 1135 | 999 | 984 | 905 | 755 | 755 | 680 | 543 | 543 | 418 |
Swell 2 Height (m) Direction Period (s) | S 16 | SSW 16 | SSW 16 | S 15 | S 15 | S 14 | — | SSW 14 | SSW 14 | — | — | ESE 3 | — | — | — | — | — | — |
| kJ | 322 | 337 | 253 | 155 | 110 | 104 | — | 41 | 62 | — | — | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | ESE 4 | — | — | — | — | — | — | — | ESE 3 | — | — | — | — | — | — | NE 3 |
| kJ | 10 | 15 | 11 | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 119 | 43 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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