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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 Wednesday 29 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 1.0°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 12AM is: 2.0m 14s primary swell from a Southwest direction and 0.3m 14s secondary swell from a South-southwest direction (forecast issued at 09:00pm April 29). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 5.5ft (1.7m) | 14s |
| Afternoon (30 Apr) | 5ft (1.5m) | 14s |
| Evening (30 Apr) | 4.5ft (1.4m) | 14s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Fri afternoon, min 18°C on Wed night). Winds increasing (light winds from the NE on Wed night, fresh winds from the N by Sat morning). | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Saturday 2 | |||||||||||||||||||||
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 | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | |
1572 | 1688 | 1572 | 1423 | 1152 | 947 | 872 | 801 | 743 | 676 | 726 | 746 | 746 | 899 | 821 | 799 | 787 | 666 | 637 | 569 | 495 | 444 | 444 | 386 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 9:43PM1.27m | 10:54AM1.32m | 10:39PM1.29m | 11:56AM1.40m | 11:28PM1.32m | 12:45PM1.49m | ||||||||||||||||||
Low Tide | 4:16AM0.48m | 4:55PM0.70m | 5:13AM0.40m | 5:56PM0.70m | 6:02AM0.33m | |||||||||||||||||||
 | |  | | |  | |  |  | | | | | | |  | | | | | | | | | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — |
 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 18 | 18 | 20 | 19 | 22 | 24 | 23 | 22 | 20 | 19 | 19 | 19 | 24 | 25 | 25 | 23 | 21 | 19 | 19 | 20 | 21 | 22 |
15 | 17 | 16 | 15 | 15 | 13 | 16 | 18 | 19 | 18 | 15 | 14 | 14 | 13 | 18 | 20 | 21 | 18 | 16 | 14 | 14 | 13 | 14 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 1572 | 1688 | 1572 | 1423 | 1152 | 947 | 872 | 801 | 743 | 676 | 726 | 746 | 746 | 899 | 821 | 799 | 787 | 666 | 637 | 569 | 495 | 444 | 444 | 386 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | — | SSW 14 | E 4 | — | — | SSW 15 | SSW 15 | — | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | S 14 | SSW 14 | — | — | — | SSW 14 | — | — | E 7 |
| kJ | 67 | — | 40 | 4 | — | — | 21 | 21 | — | 25 | 20 | 48 | 48 | 42 | 41 | 16 | 41 | — | — | — | 18 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 4 | E 4 | — | — | N 3 | N 4 | NNE 4 | N 3 | NNE 3 | NNE 3 | N 3 | NNE 3 | N 4 | N 4 | N 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 4 | NNE 4 | NNE 4 |
| kJ | — | 9 | 7 | — | — | 7 | 9 | 10 | 8 | 3 | 3 | 5 | 8 | 12 | 13 | 6 | 3 | 4 | 4 | 5 | 9 | 21 | 27 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 3 | 0 | 7 | 7 | 7 | 7 | 7 | 0 | 0 | 7 | 7 | 7 | 7 | 0 | 0 | 0 | 3 | 16 | 34 | 48 | 0 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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