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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 9 pm Saturday 18 Apr 2026 AESTForecast 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
17.0° 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 12AM is: 1.1m 12s primary swell from a Southwest direction and 0.9m 10s secondary swell from a South direction (forecast issued at 09:00pm April 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | - | - |
| Afternoon (19 Apr) | - | - |
| Evening (19 Apr) | 4.5ft (1.3m) | 11s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 10 | 10 | 10 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 741 | 418 | 349 | 303 | 264 | 194 | 140 | 108 | 72 | 75 | 56 | 91 | 127 | 206 | 196 | 176 | 171 | 169 | 346 | 401 | 368 | 406 | 394 | 394 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | off | off | off | off | off | off | cross- off | off | off | cross- off | cross- off | cross- off | glass | cross- on | cross | cross | cross- off | cross- off | cross- off | off | off | cross |
High Tide / height (m) | 12:07AM 1.30 | 1:18PM 1.54 | 12:52AM 1.36 | 2:06PM 1.62 | 1:35AM 1.42 | 2:52PM 1.66 | ||||||||||||||||||
Low Tide / height (m) | 6:33PM 0.61 | 6:34AM 0.25 | 7:23PM 0.60 | 7:21AM 0.15 | 8:08PM 0.59 | 8:06AM 0.08 | ||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:45 |
 | | | |  | |  | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 11 | 10 | 10 | 10 | 12 | 15 | 17 | 16 | 16 | 16 | 15 | 15 | 18 | 17 | 17 | 17 | 15 | 13 | 12 | 13 | 17 | 20 |
| Feels °C (?) | 10 | 10 | 9 | 7 | 7 | 7 | 9 | 11 | 13 | 12 | 12 | 12 | 11 | 12 | 16 | 13 | 13 | 15 | 12 | 10 | 9 | 10 | 15 | 17 |
- Map Icons:
Break
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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