Surf Forecasts:
How big are the waves at Portsea Back Beach today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 3.5ft (1.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.9m), 8s period with SSW swell.
- Evening surf: Evening surf (07 Sep, local time) - 6.5ft (2.0m), 8s period with SSW swell.
The current surf forecast for Portsea Back Beach at 7AM is: 1.1m 12s primary swell from a Southwest direction and 0.1m 22s secondary swell from a Southwest direction, 1.4m 6s secondary swell from a Southwest direction (forecast issued at 03:00am September 07). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 3.5ft (1.0m) | 12s |
| Afternoon (07 Sep) | 6ft (1.9m) | 8s |
| Evening (07 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon morning. Very mild (max 12°C on Mon morning, min 8°C on Mon night). Winds increasing (calm on Mon night, strong winds from the SSW by Tue night). | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SSW 7 | SSW 8 | SSW 8 | SSW 9 | SW 14 | SW 12 | SW 19 | SW 18 | SW 18 | SW 17 | WSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 19 | SW 18 | SW 18 | SW 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 903 | 449 | 392 | 292 | 355 | 430 | 551 | 475 | 1330 | 874 | 887 | 995 | 1087 | 2442 | 3543 | 1953 | 3544 | 5428 | 5937 | 6346 | 11156 | 10382 | 10148 | 10208 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-on | glassy | on | on | cross-on | on | on | on | cross-on | on | on | on | cross-on |
High Tide | 6:59AM1.31m | 6:13PM1.30m | 8:07AM1.24m | 7:28PM1.23m | 9:24AM1.22m | 8:58PM1.19m | ||||||||||||||||||
Low Tide | 00:08AM0.18m | 12:33PM0.74m | 1:09AM0.25m | 1:44PM0.76m | 2:23AM0.32m | 3:11PM0.74m | ||||||||||||||||||
 | |  |  | | |  | |  | | | | | | | | |  |  | | | | | | |
 | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 13 | 12 | 11 | 12 | 12 | 11 | 11 | 11 | 10 | 9 | 8 | 8 | 11 | 12 | 12 | 11 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 12 |
Feels °C | 9 | 7 | 6 | 4 | 4 | 5 | 6 | 8 | 7 | 7 | 6 | 4 | 9 | 9 | 9 | 5 | 2 | 1 | 1 | 2 | 2 | 2 | 3 | 4 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 21 | SSW 9 | SW 14 | SW 12 | SW 13 | SW 13 | SW 13 | SW 17 | SW 16 | SW 16 | SW 26 | SW 24 | SW 21 | SW 21 | SSW 19 | SSW 18 | SW 18 | SW 18 |
| kJ | 903 | 449 | 392 | 292 | 252 | 164 | 150 | 475 | 1330 | 874 | 825 | 790 | 732 | 2442 | 2568 | 1953 | 26 | 198 | 1015 | 1405 | 614 | 546 | 10148 | 10208 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 22 | SW 22 | SW 22 | SW 21 | SW 14 | SW 14 | SW 20 | SW 19 | SW 19 | SW 18 | SW 18 | SW 13 | — | — | SW 26 | SSW 24 | S 16 | SSW 21 | — | — | SSW 19 | S 18 |
| kJ | — | — | 18 | 18 | 73 | 69 | 93 | 149 | 377 | 716 | 887 | 995 | 1087 | 581 | — | — | 26 | 55 | 127 | 333 | — | — | 577 | 668 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 22 | S 22 | SW 21 | SW 14 | SW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | — | — | — | — | — | SSW 22 | S 15 | — | — | — | — |
| kJ | — | — | — | 9 | 9 | 70 | 65 | 261 | 37 | 36 | 70 | 61 | 101 | — | — | — | — | — | 156 | 155 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | SW 6 | SW 6 | SW 6 | SSW 7 | SSW 8 | SSW 8 | S 6 | — | — | — | — | — | — | WSW 16 | SW 6 | SW 16 | SW 16 | SW 16 | SW 16 | SW 19 | SW 18 | SW 18 | — |
| kJ | 99 | 99 | 157 | 230 | 355 | 430 | 551 | 97 | — | — | — | — | — | — | 3543 | 128 | 3544 | 5428 | 5937 | 6346 | 11156 | 10382 | 9157 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 17 | 27 | 357 | 484 | 170 | 31 | 27 | 31 | 0 | 0 | 25 | 0 | 27 | 17 | 25 | 484 | 484 | 511 | 567 | 1358 | 1114 | 511 | 511 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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