Surf Forecasts:
How big are the waves at Portsea Back Beach today (14 Sep):
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 2.5ft (0.8m), 13s period with SW swell.
The current surf forecast for Portsea Back Beach at 9PM is: 0.8m 13s primary swell from a Southwest direction and 0.7m 6s secondary swell from a Southwest direction (forecast issued at 03:00pm September 14). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | - | - |
| Afternoon (14 Sep) | 3ft (0.9m) | 13s |
| Evening (14 Sep) | 2.5ft (0.8m) | 13s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 16°C on Mon afternoon, min 9°C on Wed night). Winds increasing (light winds from the WNW on Mon night, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 18 | SW 6 | SW 7 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 347 | 295 | 205 | 196 | 126 | 311 | 485 | 2719 | 4003 | 4767 | 5815 | 5278 | 5044 | 4310 | 4226 | 4079 | 4192 | 3990 | 3629 | 3678 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross | cross-on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on |
High Tide | 1:55PM1.45m | 2:32AM1.54m | 2:30PM1.47m | 3:14AM1.55m | 3:03PM1.47m | |||||||||||||||
Low Tide | 8:12PM0.19m | 8:36AM0.38m | 8:49PM0.15m | 9:13AM0.43m | 9:24PM0.14m | |||||||||||||||
 |  |  | | |  | | |  | |  | |  | |  | | | | | | |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 15 | 13 | 11 | 10 | 11 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
Feels °C | 14 | 13 | 13 | 12 | 8 | 4 | 3 | 2 | 1 | 0 | 1 | 0 | 2 | 1 | 2 | 3 | 4 | 4 | 4 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | S 17 | SW 12 | SW 16 | — | — | — | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 347 | 295 | 205 | 196 | 126 | 6 | 153 | 302 | — | — | — | 72 | 78 | 4310 | 4226 | 4079 | 4192 | 3990 | 3629 | 3678 |
Swell 2 Height (m) Direction Period (s) | WSW 20 | WSW 6 | SW 18 | SW 6 | SW 18 | — | SW 16 | — | — | — | — | — | — | SSW 15 | S 16 | S 16 | SSW 15 | SSW 16 | S 16 | S 16 |
| kJ | 37 | 14 | 52 | 37 | 109 | — | 165 | — | — | — | — | — | — | 78 | 127 | 129 | 179 | 263 | 190 | 181 |
Swell 3 Height (m) Direction Period (s) | NNW 3 | SW 19 | S 18 | SW 18 | S 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 58 | 7 | 111 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | WSW 6 | WSW 6 | — | WSW 7 | SW 6 | SW 7 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | — | — | S 6 | — | — | — | — |
| kJ | 2 | 37 | 25 | — | 50 | 311 | 485 | 2719 | 4003 | 4767 | 5815 | 5278 | 5044 | — | — | 156 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 31 | 31 | 17 | 7 | 31 | 45 | 31 | 500 | 732 | 782 | 346 | 289 | 289 | 289 | 289 | 357 | 170 | 170 | 43 | 27 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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