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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 4 am 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
17.8° 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 10AM is: 1.2m 12s primary swell from a Southwest direction (forecast issued at 04:00am March 31). An open ocean swell of 0.1m 8s is not directed at the surf break, a second open ocean swell of 0.3m 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 (31 Mar) | 4ft (1.2m) | 12s |
| Afternoon (31 Mar) | 3.5ft (1.1m) | 12s |
| Evening (31 Mar) | 3.5ft (1.0m) | 12s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| 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 | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 13 | 13 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 435 | 442 | 449 | 364 | 358 | 353 | 297 | 216 | 212 | 260 | 169 | 220 | 216 | 157 | 193 | 161 | 190 | 142 | 242 | 246 | 331 | 277 | 286 | 227 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | cross | glass | glass | glass | glass | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:38AM 1.17 | 11:38PM 1.22 | 12:07PM 1.23 | 12:36AM 1.26 | 1:16PM 1.33 | |||||||||||||||||||
Low Tide / height (m) | 4:36AM 0.64 | 5:07PM 0.49 | 5:56AM 0.54 | 6:26PM 0.50 | 6:57AM 0.43 | 7:27PM 0.49 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| Sunrise | - | - | 7:33 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:14 | - | - |
 |  |  |  | | | | | | | | |  | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 19 | 19 | 20 | 24 | 27 | 26 | 23 | 21 | 20 | 20 | 21 | 23 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 19 | 17 | 17 | 17 |
| Feels °C (?) | 17 | 15 | 15 | 16 | 19 | 21 | 21 | 19 | 16 | 14 | 14 | 16 | 19 | 16 | 14 | 15 | 15 | 16 | 17 | 16 | 20 | 13 | 13 | 15 |
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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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