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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 Thursday 14 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
16.3° 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 4AM is: 1.4m 18s primary swell from a Southwest direction and 0.2m 19s secondary swell from a South-southwest direction (forecast issued at 09:00pm May 14). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 4.5ft (1.4m) | 17s |
| Afternoon (15 May) | 4.5ft (1.3m) | 16s |
| Evening (15 May) | 4ft (1.2m) | 15s |
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 8mm), mostly falling on Sun afternoon. Warm (max 21°C on Fri afternoon, min 14°C on Sun afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sunday 17 | |||||||||||||||||||||
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 21 | SW 20 | SW 19 | SW 18 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | SW 13 | SW 18 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | SW 14 | WSW 14 | |
222 | 478 | 693 | 1136 | 1086 | 919 | 864 | 843 | 759 | 584 | 482 | 431 | 352 | 323 | 313 | 332 | 412 | 412 | 1479 | 1373 | 1423 | 1297 | 1016 | 921 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | |
High Tide | 8:31PM1.25m | 9:52AM1.30m | 9:27PM1.27m | 11:03AM1.40m | 10:24PM1.30m | 12:06PM1.51m | ||||||||||||||||||
Low Tide | 3:06AM0.48m | 3:43PM0.78m | 4:06AM0.39m | 4:57PM0.79m | 5:05AM0.29m | |||||||||||||||||||
 |  | | | |  |  | | |  | | | | | |  | | |  | | |  | | | |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | 2 | |
Temp °C | 20 | 19 | 18 | 17 | 16 | 15 | 19 | 21 | 20 | 19 | 18 | 17 | 17 | 17 | 20 | 19 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 14 |
17 | 15 | 15 | 13 | 11 | 9 | 14 | 17 | 16 | 15 | 14 | 13 | 11 | 11 | 14 | 15 | 14 | 15 | 14 | 14 | 13 | 11 | 13 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 20 | SW 19 | SW 18 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | SW 13 | SW 13 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | SW 14 | WSW 14 |
 kJ | 90 | 478 | 693 | 1136 | 1086 | 919 | 864 | 843 | 759 | 584 | 482 | 431 | 352 | 323 | 313 | 332 | 412 | 412 | 1479 | 1373 | 1423 | 1297 | 1016 | 921 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 15 | SW 14 | SSW 19 | S 18 | S 18 | S 17 | — | SSE 16 | SSE 16 | SE 15 | SSE 15 | ESE 7 | SE 7 | SE 7 | SE 7 | SW 20 | SW 18 | WSW 17 | S 16 | ESE 7 | ESE 8 | E 8 | E 8 |
| kJ | 222 | 176 | 251 | 37 | 26 | 24 | 23 | — | 24 | 24 | 9 | 21 | 5 | 2 | 2 | 2 | 60 | 375 | 798 | 46 | 5 | 13 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SW 16 | S 21 | SSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 7 | ESE 6 | S 17 | — | — | — | SSW 15 | SSW 14 |
| kJ | 64 | 9 | 39 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 50 | — | — | — | 21 | 19 |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 3 | E 4 | — | — | NNE 3 | NNE 3 | NNE 3 | — | — | NE 3 | NE 3 | NNE 3 | NNE 4 | NNE 4 | N 4 | N 4 | N 3 | — | — | N 3 | ENE 8 | ENE 8 | — |
| kJ | 9 | 5 | 6 | — | — | 5 | 7 | 4 | — | — | 2 | 3 | 6 | 14 | 15 | 13 | 6 | 3 | — | — | 5 | 12 | 13 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 0 | 7 | 17 | 7 | 7 | 0 | 0 | 0 | 0 | 19 | 34 | 34 | 13 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 7 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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