Surf Forecasts:
How big are the waves at Portsea Back Beach today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 3.5ft (1.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (25 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
The current surf forecast for Portsea Back Beach at 4PM is: 1.1m 12s primary swell from a Southwest direction and 0.1m 24s secondary swell from a Southwest direction (forecast issued at 09:00am September 25). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 3.5ft (1.0m) | 12s |
| Afternoon (25 Sep) | 3.5ft (1.1m) | 12s |
| Evening (25 Sep) | 3ft (0.9m) | 13s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat morning. Very mild (max 19°C on Fri afternoon, min 7°C on Sun night). Winds increasing (calm on Fri morning, fresh winds from the S by Sat afternoon). | ||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 20 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 335 | 292 | 287 | 330 | 295 | 299 | 398 | 478 | 453 | 565 | 511 | 455 | 608 | 942 | 2042 | 2312 | 2531 | 2326 | 2545 | 2383 | 1742 | 1531 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross |
High Tide | 10:12AM1.12m | 10:15PM1.08m | 11:08AM1.16m | 11:26PM1.18m | 11:53AM1.21m | |||||||||||||||||
Low Tide | 4:22PM0.65m | 4:40AM0.49m | 5:21PM0.55m | 5:45AM0.47m | 6:07PM0.43m | |||||||||||||||||
 | | | |  |  | | |  | | | |  | | | |  | | | | | | |
 | 6:07 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 17 | 19 | 14 | 13 | 12 | 12 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 9 |
Feels °C | 15 | 16 | 17 | 16 | 11 | 12 | 10 | 9 | 7 | 7 | 5 | 4 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 3 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 335 | 292 | 287 | 330 | 295 | 299 | 398 | 478 | 453 | 565 | 511 | 386 | 437 | 942 | 2042 | 2312 | 2531 | 2326 | 2545 | 2383 | 1742 | 1531 |
Swell 2 Height (m) Direction Period (s) | — | SW 16 | — | SW 24 | SW 24 | SW 4 | SW 4 | SW 22 | SW 22 | SW 21 | SW 20 | SW 20 | SW 19 | SW 13 | SW 13 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 |
| kJ | — | 41 | — | 23 | 22 | 13 | 7 | 75 | 163 | 157 | 264 | 455 | 608 | 437 | 431 | 99 | 97 | 85 | 85 | 80 | 82 | 93 |
Swell 3 Height (m) Direction Period (s) | — | SW 3 | — | W 24 | E 9 | SW 23 | SW 23 | S 16 | SSW 15 | S 21 | S 21 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | — | — | — | — | — | — | — |
| kJ | — | 1 | — | 12 | 1 | 21 | 82 | 20 | 21 | 9 | 8 | 40 | 35 | 69 | 102 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 2 | — | — | — | SW 4 | — | — | SW 4 | SSW 4 | SSW 4 | S 5 | S 6 | S 6 | S 7 | S 7 | S 6 | SSE 6 | SSE 6 | SSE 5 | SSE 5 | SSE 5 | SE 5 |
| kJ | 1 | — | — | — | 10 | — | — | 7 | 10 | 12 | 52 | 149 | 251 | 284 | 250 | 206 | 126 | 83 | 50 | 45 | 80 | 70 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 35 | 0 | 0 | 44 | 43 | 31 | 35 | 43 | 31 | 43 | 615 | 722 | 170 | 403 | 155 | 155 | 43 | 43 | 163 | 155 | 155 | 138 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||
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