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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 am Wednesday 27 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
16.1° C
(Which is 1.2°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 5PM is: 0.8m 13s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Southeast direction, 1.6m 7s secondary swell from a South direction (forecast issued at 09:00am May 27). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 7ft (2.1m) | 7s |
| Afternoon (27 May) | 5ft (1.6m) | 7s |
| Evening (27 May) | 2.5ft (0.8m) | 13s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Wed morning. Very mild (max 15°C on Wed night, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | SSE 7 | SSE 7 | S 7 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 18 | SW 12 | SW 12 | WSW 12 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | |
441 | 456 | 392 | 239 | 235 | 231 | 156 | 151 | 151 | 148 | 146 | 118 | 116 | 114 | 93 | 89 | 79 | 106 | 104 | 103 | 162 | 144 | 142 | 140 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | on | on | cross-on | cross-on | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | glassy | cross | cross | cross-on | |
High Tide | 8:06AM1.29m | 7:58PM1.36m | 9:17AM1.31m | 8:47PM1.33m | 10:26AM1.36m | 9:37PM1.32m | ||||||||||||||||||
Low Tide | 1:52PM0.72m | 2:35AM0.47m | 2:57PM0.81m | 3:32AM0.43m | 4:06PM0.85m | |||||||||||||||||||
 |  | |  |  | | | |  |  | |  |  | | | | | | | | | | | | |
 | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | 7:26 |
 | — | — | — | 5:10 | — | — | — | — | — | — | — | 5:10 | — | — | — | — | — | — | — | 5:09 | — | — | — | 5:09 |
1 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 |
10 | 10 | 10 | 10 | 12 | 13 | 13 | 13 | 15 | 14 | 13 | 13 | 13 | 14 | 12 | 12 | 11 | 12 | 12 | 13 | 14 | 11 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
 kJ | 345 | 340 | 330 | 239 | 128 | 71 | 54 | 45 | 34 | 33 | 146 | 118 | 116 | 114 | 93 | 64 | 61 | 106 | 104 | 103 | 162 | 144 | 142 | 140 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SE 12 | SW 13 | SE 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 18 | SW 18 | SE 5 | SW 16 | SW 16 | SW 16 | SW 15 | WSW 11 | WSW 11 | WSW 11 | SSW 3 | SSW 3 | SSW 4 | ESE 10 |
| kJ | 18 | 6 | 242 | 6 | 235 | 231 | 156 | 151 | 151 | 148 | 50 | 79 | 6 | 91 | 93 | 89 | 79 | 50 | 50 | 49 | 2 | 1 | 1 | 10 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | — | SE 12 | SW 21 | SE 12 | SE 9 | SE 12 | S 7 | ESE 12 | SW 18 | ESE 12 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSE 4 | ESE 11 | ESE 11 | ESE 11 | SW 3 | ESE 10 | ESE 9 | ESE 10 | — |
| kJ | 15 | — | 6 | 17 | 22 | 14 | 23 | 4 | 15 | 51 | 14 | 8 | 8 | 7 | 7 | 2 | 12 | 11 | 11 | 3 | 9 | 9 | 10 | — |
Wind waves Height (m) Direction Period (s) | SE 8 | SSE 7 | SSE 7 | S 7 | — | — | — | — | SSE 6 | — | S 5 | S 5 | — | — | — | SSW 6 | SSW 3 | SW 4 | SW 4 | — | SW 3 | — | NW 2 | W 3 |
| kJ | 441 | 456 | 392 | 225 | — | — | — | — | 56 | — | 21 | 13 | — | — | — | 7 | 8 | 6 | 3 | — | 2 | — | 1 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 138 | 93 | 43 | 31 | 17 | 13 | 13 | 25 | 27 | 34 | 43 | 43 | 4 | 43 | 27 | 27 | 27 | 27 | 25 | 3 | 0 | 7 | 17 | 27 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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