Surf Forecasts:
How big are the waves at Portsea Back Beach today (29 Jul):
- Afternoon surf: Afternoon surf (29 Jul, local time) - 13ft (4.0m), 16s period with SW swell.
- Evening surf: Evening surf (29 Jul, local time) - 11ft (3.5m), 15s period with SW swell.
The current surf forecast for Portsea Back Beach at 9PM is: 3.5m 15s primary swell from a Southwest direction and 3.5m 14s secondary swell from a Southwest direction, 0.4m 15s secondary swell from a South-southwest direction (forecast issued at 03:00pm July 29). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Jul) | - | - |
| Afternoon (29 Jul) | 13ft (4.0m) | 16s |
| Evening (29 Jul) | 11ft (3.5m) | 15s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 12°C on Wed afternoon, min 8°C on Sat morning). Winds decreasing (fresh winds from the SW on Wed afternoon, calm by Fri morning). | ||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | ||||||||||||||||||
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 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 9594 | 7557 | 5438 | 4310 | 3446 | 2499 | 1982 | 1730 | 1417 | 1299 | 1265 | 974 | 868 | 786 | 773 | 634 | 614 | 503 | 551 | 494 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy |
High Tide | 11:52AM1.32m | 10:44PM1.14m | 12:39PM1.36m | 11:48PM1.16m | 1:20PM1.40m | |||||||||||||||
Low Tide | 5:50PM0.83m | 5:32AM0.33m | 6:45PM0.74m | 6:25AM0.30m | 7:28PM0.65m | |||||||||||||||
 |  |  |  | |  | |  |  | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — |
 | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 12 | 11 | 10 | 11 | 11 | 11 | 10 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
Feels °C | 1 | 3 | 4 | 4 | 4 | 6 | 6 | 5 | 7 | 7 | 6 | 7 | 6 | 7 | 7 | 9 | 11 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | — | SSW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | — | 138 | 78 | 4310 | 3446 | 2499 | 1982 | 1730 | 1417 | 1299 | 1173 | 974 | 868 | 786 | 773 | 634 | 614 | 503 | 551 | 494 |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 15 | — | SSW 14 | SSW 15 | — | — | — | S 10 | — | S 24 | SW 24 | SW 23 | SW 22 | SW 21 | SW 21 | SW 20 | SW 20 | SW 20 |
| kJ | — | — | 75 | — | 37 | 42 | — | — | — | 90 | — | 11 | 22 | 21 | 18 | 72 | 71 | 137 | 186 | 134 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 23 | S 22 | S 21 | S 21 | S 20 | S 20 | S 20 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 9 | 9 | 9 | 8 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | — | — | — | S 7 | S 9 | — | WSW 5 | SW 13 | — | — | — | — | — | — | — | — | — |
| kJ | 9594 | 7557 | 5438 | — | — | — | 113 | 173 | — | 52 | 1265 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 346 | 266 | 31 | 31 | 25 | 25 | 25 | 25 | 25 | 27 | 17 | 17 | 17 | 13 | 13 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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