Surf Forecasts:
How big are the waves at Portsea Back Beach today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 10ft (3.0m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 10ft (3.0m), 15s period with SW swell.
- Evening surf: Evening surf (14 Aug, local time) - 10ft (3.0m), 16s period with SW swell.
The current surf forecast for Portsea Back Beach at 4AM is: 3.0m 16s primary swell from a Southwest direction and 0.6m 16s secondary swell from a South direction (forecast issued at 09:00pm August 13). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 10ft (3.0m) | 16s |
| Afternoon (14 Aug) | 10ft (3.0m) | 15s |
| Evening (14 Aug) | 10ft (3.0m) | 16s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Thu night, min 10°C on Sun morning). Wind will be generally light. | ||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | ||||||||||||||||
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 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 4357 | 4414 | 4738 | 4528 | 4414 | 4218 | 3962 | 3911 | 4101 | 4155 | 3672 | 3357 | 2982 | 2821 | 2668 | 2516 | 2341 | 2010 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross | cross-on | on | on | on | on | on | cross-on | glassy | cross-on | cross-on | cross-on | cross |
High Tide | 11:43PM1.29m | 1:04PM1.43m | 00:55AM1.36m | 1:48PM1.48m | ||||||||||||||
Low Tide | 6:11PM0.66m | 6:23AM0.24m | 7:09PM0.53m | 7:21AM0.23m | 7:57PM0.40m | |||||||||||||
 | | |  | |  | | | | | | | | |  | | | | |
 | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 12 | 12 | 13 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 13 |
Feels °C | 10 | 9 | 9 | 8 | 8 | 9 | 10 | 8 | 8 | 8 | 7 | 8 | 9 | 11 | 9 | 7 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 4357 | 4414 | 4738 | 4528 | 4414 | 4218 | 3962 | 3911 | 4101 | 4155 | 3672 | 3357 | 2982 | 2821 | 2668 | 2516 | 2341 | 2010 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 16 | S 14 | S 14 | SSW 16 | S 17 | SSW 16 | S 15 | S 15 | S 15 | SSW 16 | S 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 181 | 260 | 257 | 181 | 183 | 138 | 96 | 193 | 202 | 266 | 172 | 116 | 118 | 196 | 190 | 193 | 246 | 77 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 25 | 25 | 25 | 17 | 25 | 25 | 17 | 31 | 31 | 31 | 31 | 31 | 26 | 0 | 43 | 44 | 44 | 43 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Portsea Back Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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