Surf Forecasts:
How big are the waves at Portsea Back Beach today (17 Jun):
- Morning surf: Morning surf (17 Jun, local time) - 4ft (1.2m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (17 Jun, local time) - 3.5ft (1.1m), 14s period with SW swell.
- Evening surf: Evening surf (17 Jun, local time) - 3.5ft (1.0m), 13s period with SW swell.
The current surf forecast for Portsea Back Beach at 12PM is: 1.2m 14s primary swell from a Southwest direction and 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 09:00am June 17). An open ocean swell of 0.8m 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 (17 Jun) | 4ft (1.2m) | 14s |
| Afternoon (17 Jun) | 3.5ft (1.1m) | 14s |
| Evening (17 Jun) | 3.5ft (1.0m) | 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 5mm), mostly falling on Thu afternoon. Very mild (max 19°C on Wed afternoon, min 10°C on Fri night). Winds decreasing (strong winds from the N on Thu morning, light winds from the NW by Fri night). | ||||||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 22 | SW 21 | SW 20 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 691 | 597 | 581 | 412 | 342 | 336 | 277 | 256 | 248 | 175 | 167 | 134 | 137 | 163 | 220 | 309 | 450 | 577 | 817 | 1213 | 1282 | 1537 | 1774 | 1552 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 1:38PM1.63m | 00:51AM1.40m | 2:26PM1.65m | 1:54AM1.41m | 3:11PM1.65m | 2:54AM1.42m | ||||||||||||||||||
Low Tide | 6:35AM0.15m | 7:37PM0.74m | 7:32AM0.13m | 8:29PM0.66m | 8:26AM0.15m | 9:18PM0.58m | ||||||||||||||||||
 |  | | |  | | | | | | |  |  |  | | | | | |  | | | | | |
 | 7:35 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | 7:37 |
 | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | 5:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 18 | 19 | 18 | 17 | 18 | 17 | 16 | 16 | 17 | 15 | 14 | 14 | 13 | 13 | 12 | 13 | 12 | 13 | 13 | 12 | 11 | 10 |
Feels °C | 11 | 10 | 13 | 16 | 13 | 11 | 13 | 11 | 9 | 8 | 9 | 8 | 11 | 9 | 8 | 7 | 5 | 5 | 4 | 6 | 6 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 |
| kJ | 691 | 597 | 581 | 412 | 342 | 336 | 277 | 256 | 248 | 175 | 167 | 134 | 137 | 139 | 169 | 172 | 169 | 577 | 817 | 1213 | 1282 | 1537 | 1774 | 1552 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | — | — | — | — | — | — | — | — | SW 24 | SW 24 | SW 23 | SW 22 | SW 21 | SW 20 | SW 19 | SW 12 | SW 12 | S 18 | SSW 17 | N 5 | SW 11 | SSW 16 |
| kJ | 19 | 19 | — | — | — | — | — | — | — | — | 23 | 22 | 82 | 163 | 220 | 309 | 450 | 169 | 112 | 156 | 59 | 15 | 297 | 53 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 24 | S 23 | S 22 | SW 21 | S 9 | SW 19 | W 9 | W 8 | WSW 8 | — | SSW 12 | SSW 17 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 11 | 10 | 9 | 216 | 2 | 380 | 78 | 34 | 21 | — | 50 | 97 | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | N 4 | N 4 | N 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | N 4 | N 4 | N 4 | N 5 | NNW 4 | NW 4 | NNW 4 | NNW 4 | N 4 | N 4 | N 5 | NNW 4 | NNW 4 | WNW 4 | W 4 | WSW 4 |
| kJ | 18 | 27 | 21 | 14 | 9 | 14 | 19 | 20 | 35 | 50 | 48 | 60 | 25 | 35 | 26 | 28 | 33 | 42 | 61 | 31 | 38 | 40 | 9 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 17 | 17 | 7 | 17 | 44 | 44 | 44 | 48 | 44 | 44 | 25 | 13 | 17 | 17 | 7 | 17 | 44 | 34 | 25 | 25 | 17 | 25 | 25 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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