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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 pm Monday 23 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
18.7° C
(Which is 1.3°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 9PM is: 1.2m 12s primary swell from a Southwest direction and 0.2m 13s secondary swell from a South direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 04:00pm March 23). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | - | - |
| Afternoon (23 Mar) | 3.5ft (1.1m) | 12s |
| Evening (23 Mar) | 4ft (1.2m) | 12s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 13 | 12 | 12 | 13 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 6 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 380 | 437 | 459 | 423 | 403 | 570 | 1140 | 1171 | 1220 | 1029 | 905 | 892 | 802 | 643 | 603 | 528 | 465 | 416 | 403 | 546 | 303 | 298 | 195 | 227 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- on | cross- on | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | on | on | on | on | on |
High Tide / height (m) | 4:06PM 1.56 | 3:46AM 1.43 | 4:50PM 1.58 | 4:23AM 1.45 | 5:35PM 1.55 | 5:03AM 1.44 | ||||||||||||||||||
Low Tide / height (m) | 10:06PM 0.47 | 10:13AM 0.05 | 10:45PM 0.51 | 10:55AM 0.03 | 11:26PM 0.56 | |||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:28 | - |
| Sunset | - | 7:29 | - | - | - | - | - | - | - | 7:27 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - |
 |  |  | | |  | |  | | | | | | | | |  | | |  |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | - | - | 1 | 1 | - | - |
| Temp. °C | 20 | 19 | 19 | 20 | 19 | 21 | 23 | 23 | 19 | 18 | 19 | 19 | 19 | 19 | 19 | 21 | 24 | 21 | 19 | 18 | 17 | 16 | 15 | 16 |
| Feels °C (?) | 19 | 16 | 17 | 20 | 18 | 20 | 20 | 20 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 20 | 25 | 20 | 18 | 16 | 14 | 10 | 8 | 10 |
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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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