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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 Saturday 23 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
16.0° 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 5AM is: 1.1m 12s primary swell from a Southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 09:00pm May 23). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 3.5ft (1.1m) | 12s |
| Afternoon (24 May) | 3ft (0.9m) | 12s |
| Evening (24 May) | 2.5ft (0.8m) | 11s |
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 11mm), heaviest on Sun night. Very mild (max 16°C on Sat night, min 13°C on Sun night). Winds increasing (light winds from the NNW on Sun afternoon, fresh winds from the SE by Tue afternoon). | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 13 | SW 12 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | |
618 | 545 | 520 | 386 | 330 | 319 | 232 | 217 | 177 | 150 | 153 | 161 | 169 | 193 | 178 | 133 | 245 | 309 | 472 | 466 | 513 | 410 | 526 | 526 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | |
High Tide | 4:54PM1.58m | 4:48AM1.37m | 5:39PM1.52m | 5:50AM1.33m | 6:24PM1.45m | 6:56AM1.30m | ||||||||||||||||||
Low Tide | 11:02PM0.57m | 11:05AM0.35m | 11:52PM0.55m | 11:57AM0.48m | 00:45AM0.52m | 12:52PM0.61m | ||||||||||||||||||
 | | | | |  |  |  |  | | | | | | | | |  | | |  | | |  | |
 | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — |
 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:12 | — | — | — | — | — | — | — | 5:12 |
— | — | — | — | — | — | — | 2 | 1 | 2 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 15 | 14 | 13 | 14 | 14 | 16 | 15 |
12 | 13 | 12 | 11 | 11 | 10 | 11 | 11 | 13 | 12 | 11 | 10 | 11 | 11 | 13 | 13 | 13 | 12 | 10 | 9 | 10 | 10 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 13 | SW 12 | SW 11 | SW 11 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 618 | 545 | 520 | 386 | 330 | 319 | 232 | 217 | 177 | 150 | 153 | 161 | 169 | 193 | 178 | 133 | 153 | 309 | 472 | 466 | 513 | 410 | 526 | 526 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | S 13 | E 3 | SE 10 | SE 10 | ESE 12 | — | ESE 12 | SE 12 | ESE 12 | ESE 12 | ESE 13 | SE 12 | SW 16 | SW 17 | SW 16 | SW 16 | SW 11 | SSW 10 | SSW 10 | SE 12 | SW 16 | SSW 8 | SSW 8 |
| kJ | 18 | 14 | 3 | 4 | 4 | 15 | — | 15 | 23 | 29 | 31 | 31 | 23 | 43 | 100 | 130 | 245 | 101 | 20 | 9 | 5 | 67 | 21 | 20 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | E 5 | ESE 9 | S 13 | SE 13 | — | — | — | ESE 6 | SW 18 | SW 17 | S 14 | S 14 | ESE 12 | ESE 3 | SSW 12 | ESE 12 | SSW 10 | ESE 12 | SE 12 | — | — | S 15 | S 14 |
| kJ | 8 | 2 | 9 | 3 | 7 | — | — | — | 4 | 12 | 11 | 16 | 15 | 14 | 1 | 27 | 14 | 21 | 13 | 5 | — | — | 17 | 16 |
Wind waves Height (m) Direction Period (s) | ENE 3 | ENE 3 | — | — | — | — | E 13 | NNE 2 | NNE 3 | NNE 3 | — | — | — | ESE 3 | — | ESE 3 | ESE 3 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | SE 6 | SE 6 | SE 7 |
| kJ | 6 | 3 | — | — | — | — | 28 | 1 | 2 | 1 | — | — | — | 2 | — | 1 | 8 | 22 | 54 | 74 | 87 | 138 | 265 | 371 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 119 | 4 | 4 | 159 | 282 | 290 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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