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 am Monday 05 Jan 2026 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
17.2° C
(Which is slightly warmer than usual)How big are the waves at Portsea Back Beach today?
The current surf forecast for Portsea Back Beach at 1PM is: 1.1m 12s primary swell from a Southwest direction and 0.1m 5s secondary swell from a Southeast direction, 0.7m 5s secondary swell from a South direction (forecast issued at 10:00am January 05). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jan) | 3.5ft (1.1m) | 12s |
| Afternoon (05 Jan) | 3.5ft (1.1m) | 12s |
| Evening (05 Jan) | 3ft (0.9m) | 12s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 05 | Tuesday 06 | Wednesday 07 | Thu 08 | |||||||||||||||||||||
| 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 | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 319 | 314 | 309 | 309 | 228 | 228 | 237 | 258 | 282 | 282 | 287 | 287 | 319 | 277 | 319 | 338 | 471 | 511 | 503 | 494 | 494 | 494 | 448 | 496 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross | glass | off | off | cross- off | cross- off | cross- on | cross- on | glass | cross- off | cross- off |
High Tide / height (m) | 1:20PM 1.25 | 2:53AM 1.52 | 2:26PM 1.29 | 3:37AM 1.55 | 3:25PM 1.32 | 4:16AM 1.55 | ||||||||||||||||||
Low Tide / height (m) | 8:07AM 0.65 | 8:00PM 0.07 | 8:59AM 0.53 | 8:54PM 0.07 | 9:45AM 0.43 | 9:43PM 0.11 | ||||||||||||||||||
Monday 05 | Tuesday 06 | Wednesday 07 | Thu 08 | |||||||||||||||||||||
| Sunrise | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:47 | - | - | - |
 | | | | |  |  | | | | | | | | | | | | |  | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 18 | 20 | 18 | 18 | 18 | 18 | 18 | 19 | 26 | 35 | 26 | 24 | 24 | 26 | 25 |
| Feels °C (?) | 11 | 12 | 12 | 12 | 13 | 13 | 15 | 15 | 14 | 18 | 18 | 13 | 15 | 17 | 18 | 17 | 17 | 24 | 32 | 22 | 21 | 24 | 24 | 21 |
- 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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