Surf Forecasts:
How big are the waves at Portsea Back Beach today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 6ft (1.8m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 5.5ft (1.7m), 14s period with SW swell.
- Evening surf: Evening surf (29 Aug, local time) - 4.5ft (1.4m), 14s period with SW swell.
The current surf forecast for Portsea Back Beach at 3AM is: 1.9m 16s primary swell from a Southwest direction and 0.2m 16s secondary swell from a South direction, 0.6m 5s secondary swell from a South-southwest direction (forecast issued at 09:00pm August 28). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 6ft (1.8m) | 14s |
| Afternoon (29 Aug) | 5.5ft (1.7m) | 14s |
| Evening (29 Aug) | 4.5ft (1.4m) | 14s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Mon afternoon, min 9°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | ||||||||||||||||
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 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 2201 | 1983 | 1806 | 1761 | 1343 | 1289 | 1179 | 1163 | 865 | 690 | 1053 | 1053 | 1210 | 1191 | 1306 | 1306 | 1521 | 1619 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | on | on |
High Tide | 11:37PM1.13m | 12:43PM1.28m | 00:36AM1.22m | 1:18PM1.33m | ||||||||||||||
Low Tide | 6:08PM0.65m | 6:06AM0.36m | 6:51PM0.54m | 6:56AM0.34m | 7:28PM0.44m | |||||||||||||
 |  | | |  |  | | | | | | | | | | | | | |
 | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 10 | 9 | 9 | 9 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 11 | 11 | 10 |
Feels °C | 8 | 7 | 7 | 6 | 6 | 7 | 9 | 8 | 8 | 9 | 7 | 8 | 8 | 8 | 10 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 2201 | 1983 | 1806 | 1761 | 1343 | 1289 | 1179 | 1163 | 865 | 690 | 1053 | 1053 | 1210 | 1191 | 1306 | 1306 | 1521 | 1619 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | SSW 15 | S 15 | — | S 15 | SW 23 | SW 22 | SW 22 | SW 22 | SW 20 | SW 20 | SW 20 | SW 20 | SSW 15 | SSW 15 |
| kJ | 48 | 45 | 20 | 19 | 23 | 17 | — | 17 | 21 | 19 | 73 | 73 | 145 | 137 | 136 | 134 | 71 | 71 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 24 | SW 23 | SW 22 | WSW 22 | WSW 21 | SW 20 | SW 20 | SW 20 | WSW 20 | — | — |
| kJ | — | — | — | — | — | — | — | 11 | 21 | 18 | 45 | 44 | 103 | 98 | 98 | 149 | — | — |
Wind waves Height (m) Direction Period (s) | — | S 5 | SSW 5 | — | — | — | — | — | SW 5 | SW 5 | SW 5 | — | — | — | — | — | — | — |
| kJ | — | 7 | 17 | — | — | — | — | — | 36 | 57 | 47 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 27 | 25 | 17 | 17 | 13 | 13 | 13 | 45 | 31 | 17 | 13 | 17 | 7 | 13 | 27 | 45 | 31 | 17 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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