Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia
48hr Weather and Surf, issued 10 pm Monday 29 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Portsea Back Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portsea Back Beach sea temperature is
16.8° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Mon 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | |||||||||||||||||||||
| 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 6 | 6 | 7 | 7 | 7 | 7 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 396 | 362 | 351 | 314 | 251 | 247 | 235 | 617 | 191 | 230 | 290 | 348 | 336 | 336 | 416 | 628 | 609 | 878 | 721 | 581 | 494 | 416 | 409 | 319 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross- off | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 7:13PM 1.26 | 6:58AM 1.33 | 8:17PM 1.26 | 7:43AM 1.31 | 9:27PM 1.28 | 8:36AM 1.28 | ||||||||||||||||||
Low Tide / height (m) | 12:58AM 0.55 | 1:38PM 0.25 | 1:53AM 0.67 | 2:33PM 0.21 | 2:59AM 0.76 | 3:32PM 0.19 | ||||||||||||||||||
Mon 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 6:00 | - | - | - |
| Sunset | 8:46 | - | - | - | - | - | - | - | 8:46 | - | - | - | - | - | - | - | 8:46 | - | - | - | - | - | - | - |
 |  | |  |  | | | | |  | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 23 | 20 | 20 | 21 | 26 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 15 |
| Feels °C (?) | 22 | 18 | 17 | 18 | 19 | 22 | 8 | 8 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 8 | 7 | 7 | 9 | 11 | 10 | 9 | 9 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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