Surf Forecasts:
How big are the waves at Portsea Back Beach today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 8ft (2.4m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 7ft (2.1m), 13s period with SW swell.
- Evening surf: Evening surf (19 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
The current surf forecast for Portsea Back Beach at 3PM is: 2.1m 13s primary swell from a Southwest direction (forecast issued at 09:00am September 19). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 8ft (2.4m) | 13s |
| Afternoon (19 Sep) | 7ft (2.1m) | 13s |
| Evening (19 Sep) | 6ft (1.8m) | 13s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 24°C on Sun afternoon, min 10°C on Sun night). Winds increasing (light winds from the WSW on Sat afternoon, strong winds from the N by Sun morning). | ||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1810 | 1874 | 1634 | 1494 | 1185 | 1092 | 1021 | 1091 | 1238 | 1107 | 1075 | 891 | 1390 | 1678 | 1903 | 2602 | 2813 | 2413 | 2752 | 3544 | 3594 | 3216 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 5:05AM1.42m | 4:30PM1.33m | 5:41AM1.34m | 4:59PM1.26m | 6:21AM1.27m | 5:34PM1.18m | ||||||||||||||||
Low Tide | 10:52AM0.62m | 11:02PM0.25m | 11:26AM0.67m | 11:37PM0.30m | 12:05PM0.71m | |||||||||||||||||
 | | | |  | | | | | | | | |  |  | |  |  | | |  | | |
 | 6:16 | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 21 | 20 | 21 | 19 | 17 | 16 | 15 | 19 | 22 | 24 | 19 | 16 | 12 | 11 | 10 | 11 | 11 | 11 | 11 | 11 |
Feels °C | 8 | 13 | 16 | 17 | 20 | 17 | 13 | 11 | 7 | 10 | 12 | 17 | 13 | 11 | 5 | 4 | 1 | 4 | 3 | 4 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 12 | — | — | SSW 18 | SW 12 | SW 13 | SW 14 | SW 14 | SW 14 |
| kJ | 1810 | 1874 | 1634 | 1494 | 1185 | 1092 | 1021 | 1091 | 1238 | 1107 | 1075 | 891 | 1390 | 1678 | — | — | 31 | 2413 | 2752 | 3544 | 3594 | 3216 |
Swell 2 Height (m) Direction Period (s) | S 14 | — | — | — | SSW 14 | SSW 16 | SSW 16 | S 16 | S 16 | S 16 | S 15 | SSW 16 | SSW 14 | SW 14 | — | — | — | S 16 | SSW 16 | SSW 15 | S 15 | SSW 15 |
| kJ | 103 | — | — | — | 41 | 48 | 85 | 127 | 124 | 122 | 121 | 81 | 36 | 361 | — | — | — | 132 | 188 | 246 | 119 | 76 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | — | — | — | — | NW 3 | N 3 | N 4 | N 5 | N 5 | NNW 5 | W 5 | WSW 10 | SW 12 | SW 12 | SW 12 | — | — | — | — | — |
| kJ | 24 | 15 | — | — | — | — | 2 | 4 | 23 | 74 | 64 | 77 | 49 | 1434 | 1903 | 2602 | 2813 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 66 | 27 | 27 | 17 | 17 | 0 | 7 | 7 | 17 | 44 | 513 | 38 | 66 | 27 | 294 | 31 | 597 | 170 | 43 | 170 | 43 | 31 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||
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