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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 Tuesday 12 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
16.2° 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: 1.2m 16s primary swell from a Southwest direction and 0.9m 16s secondary swell from a Southwest direction (forecast issued at 09:00pm May 12). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | - | - |
| Evening (13 May) | 3ft (0.9m) | 17s |
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 20°C on Thu afternoon, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||||||||
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 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 21 | SW 20 | SW 19 | SW 18 | SW 17 | WSW 16 | WSW 16 | SW 16 | |
460 | 454 | 728 | 619 | 542 | 528 | 387 | 361 | 345 | 246 | 242 | 202 | 158 | 146 | 118 | 92 | 222 | 483 | 693 | 1136 | 1221 | 907 | 864 | 739 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | |
High Tide | 6:50PM1.30m | 7:20AM1.18m | 7:38PM1.26m | 8:36AM1.22m | 8:31PM1.25m | 9:52AM1.30m | ||||||||||||||||||
Low Tide | 1:10AM0.60m | 1:18PM0.64m | 2:05AM0.55m | 2:28PM0.72m | 3:06AM0.48m | 3:43PM0.78m | ||||||||||||||||||
 | | | | |  | | | | | | | | | |  |  |  | | | | | |  | |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — |
 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 16 | 13 | 12 | 12 | 12 | 15 | 16 | 18 | 16 | 13 | 13 | 14 | 15 | 17 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 19 | 20 |
16 | 12 | 10 | 9 | 10 | 10 | 14 | 14 | 16 | 12 | 11 | 12 | 13 | 13 | 15 | 18 | 15 | 15 | 14 | 14 | 13 | 11 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 20 | SW 19 | SW 18 | SW 17 | WSW 16 | WSW 16 | SW 16 |
 kJ | 451 | 315 | 728 | 619 | 542 | 528 | 387 | 361 | 345 | 246 | 242 | 202 | 158 | 146 | 118 | 92 | 89 | 483 | 693 | 1136 | 1221 | 907 | 864 | 739 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 16 | SW 16 | SSW 16 | SE 5 | SE 5 | ESE 5 | SE 5 | SE 5 | SSW 13 | SSW 13 | ESE 5 | SE 4 | SE 5 | SE 5 | SW 16 | SW 21 | SW 15 | SW 14 | SSW 19 | S 18 | SSW 18 | S 18 | — |
| kJ | 460 | 454 | 264 | 48 | 30 | 23 | 18 | 12 | 6 | 17 | 17 | 15 | 9 | 6 | 7 | 66 | 222 | 262 | 206 | 37 | 25 | 30 | 6 | — |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 17 | SSW 15 | E 12 | E 12 | S 15 | SSW 14 | SSW 14 | — | — | W 20 | SW 18 | SW 18 | WSW 18 | SW 16 | SE 5 | SW 16 | S 21 | S 20 | — | — | — | — | — |
| kJ | 106 | 93 | 45 | 3 | 3 | 17 | 20 | 19 | — | — | 7 | 13 | 12 | 30 | 42 | 4 | 64 | 9 | 31 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | NE 3 | NNE 3 | — | ESE 5 | ESE 5 | SE 5 | ESE 5 | — | — | — | — | SE 5 | E 3 | — | — | — | NNE 3 | NNE 3 | N 3 |
| kJ | 5 | 19 | 41 | 34 | 65 | 4 | 1 | — | 15 | 16 | 25 | 23 | — | — | — | — | 6 | 5 | — | — | — | 5 | 5 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 4 | 0 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 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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