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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 3 am Friday 01 May 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
17.1° 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 9AM is: 1.5m 14s primary swell from a Southwest direction and 0.3m 16s secondary swell from a South-southwest direction (forecast issued at 03:00am May 01). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 5ft (1.5m) | 14s |
| Afternoon (01 May) | 4.5ft (1.4m) | 14s |
| Evening (01 May) | 4.5ft (1.3m) | 14s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sun morning. Warm (max 26°C on Fri afternoon, min 13°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
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 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 | |
726 | 746 | 911 | 899 | 899 | 810 | 787 | 666 | 637 | 569 | 495 | 444 | 444 | 386 | 347 | 352 | 363 | 357 | 352 | 416 | 521 | 597 | 612 | 548 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | |
High Tide | 10:39PM1.29m | 11:56AM1.40m | 11:28PM1.32m | 12:45PM1.49m | 00:12AM1.35m | 1:27PM1.55m | ||||||||||||||||||
Low Tide | 5:13AM0.40m | 5:56PM0.70m | 6:02AM0.33m | 6:45PM0.69m | 6:43AM0.27m | 7:28PM0.67m | ||||||||||||||||||
 |  |  |  |  | | | | | | | |  | | | | | | |  |  | | | | |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:30 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 2 | 4 | — | — | |
Temp °C | 21 | 19 | 18 | 19 | 24 | 26 | 25 | 23 | 21 | 20 | 19 | 20 | 21 | 23 | 23 | 22 | 22 | 22 | 20 | 16 | 18 | 16 | 16 | 15 |
16 | 13 | 12 | 13 | 18 | 21 | 20 | 18 | 17 | 15 | 13 | 13 | 14 | 17 | 17 | 17 | 16 | 17 | 15 | 12 | 13 | 12 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 |
 kJ | 726 | 746 | 911 | 899 | 899 | 810 | 787 | 666 | 637 | 569 | 495 | 444 | 444 | 386 | 347 | 352 | 363 | 357 | 352 | 416 | 521 | 597 | 612 | 548 |
Swell 2 Height (m) Direction Period (s) | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 14 | S 14 | SSW 14 | — | — | — | S 14 | E 4 | — | E 8 | E 8 | E 8 | E 8 | — | ESE 4 | ESE 4 | SE 9 | ESE 10 | E 10 | ESE 10 |
| kJ | 20 | 48 | 48 | 95 | 41 | 16 | 41 | — | — | — | 14 | 1 | — | 1 | 1 | 1 | 1 | — | 2 | 2 | 3 | 9 | 16 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 8 | — | E 8 | SE 8 | SSW 14 | SE 10 | SSW 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 3 | 19 | 4 | 20 | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | NNE 4 | N 4 | N 4 | NNE 4 | NNE 4 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 4 | NNE 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | N 4 | NNE 4 | N 4 | NNW 4 | NNW 3 | NW 3 |
| kJ | 5 | 9 | 13 | 13 | 13 | 11 | 7 | 7 | 4 | 4 | 5 | 19 | 22 | 14 | 11 | 12 | 16 | 16 | 10 | 19 | 22 | 5 | 2 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 17 | 19 | 0 | 0 | 0 | 0 | 0 | 21 | 51 | 53 | 19 | 3 | 0 | 26 | 13 | 17 | 7 | 17 | 17 | 13 | 17 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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