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Portsea Back Beach Surf Forecast
/ VIC – Mornington Peninsula (24 breaks) / Victoria (127 breaks) /
Surf Forecasts:
Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia
48hr Weather and Surf, issued 10 pm Tuesday 31 Mar 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
18.2° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Portsea Back Beach today?
The current surf forecast for Portsea Back Beach at 3AM is: 0.9m 12s primary swell from a Southwest direction and 0.5m 16s secondary swell from a South-southwest direction (forecast issued at 10:00pm March 31). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 2.5ft (0.8m) | 12s |
| Afternoon (01 Apr) | 3ft (0.9m) | 12s |
| Evening (01 Apr) | 2.5ft (0.8m) | 12s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 297 | 220 | 212 | 292 | 169 | 220 | 216 | 175 | 169 | 164 | 190 | 142 | 288 | 414 | 341 | 242 | 219 | 223 | 215 | 344 | 406 | 1102 | 1247 | 1395 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | cross- off | cross | cross- on | on | cross- on | cross- on | cross | cross- off | glass | cross | glass | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:38PM 1.22 | 12:07PM 1.23 | 12:36AM 1.26 | 1:16PM 1.33 | 1:24AM 1.32 | 2:09PM 1.43 | ||||||||||||||||||
Low Tide / height (m) | 5:07PM 0.49 | 5:56AM 0.54 | 6:26PM 0.50 | 6:57AM 0.43 | 7:27PM 0.49 | 7:44AM 0.32 | ||||||||||||||||||
Tue 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:12 |
 | | | |  |  | | |  |  | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 24 | 21 | 20 | 20 | 22 | 22 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 19 | 18 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 14 |
| Feels °C (?) | 23 | 19 | 15 | 13 | 13 | 17 | 18 | 14 | 15 | 16 | 16 | 16 | 17 | 16 | 19 | 15 | 13 | 14 | 13 | 11 | 8 | 9 | 9 | 9 |
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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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