
Surf Forecasts:
How big are the waves at Portsea Back Beach today (11 Jul):
- Morning surf: Morning surf (11 Jul, local time) - 3.5ft (1.1m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (11 Jul, local time) - 3.5ft (1.0m), 14s period with SW swell.
- Evening surf: Evening surf (11 Jul, local time) - 3.5ft (1.0m), 14s period with SW swell.
The current surf forecast for Portsea Back Beach at 3PM is: 1.0m 14s primary swell from a Southwest direction (forecast issued at 09:00am July 11). An open ocean swell of 1.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jul) | 3.5ft (1.1m) | 14s |
| Afternoon (11 Jul) | 3.5ft (1.0m) | 14s |
| Evening (11 Jul) | 3.5ft (1.0m) | 14s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sat afternoon. Very mild (max 14°C on Mon morning, min 8°C on Sat night). Winds decreasing (strong winds from the NNE on Sat afternoon, moderate winds from the WNW by Mon night). | ||||||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tue 14 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | SW 13 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | WSW 15 | WSW 15 |
Wave Graph | ||||||||||||||||||||||||
529 | 476 | 401 | 390 | 272 | 412 | 430 | 1754 | 3120 | 2207 | 2929 | 3266 | 3241 | 3532 | 3242 | 3717 | 4669 | 5255 | 5926 | 5926 | 6490 | 7370 | 10050 | 8772 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 7:52AM1.35m | 7:01PM1.39m | 9:01AM1.36m | 7:59PM1.36m | 10:15AM1.39m | 9:07PM1.33m | ||||||||||||||||||
Low Tide | 1:20PM0.83m | 1:59AM0.27m | 2:27PM0.89m | 3:02AM0.25m | 3:45PM0.91m | |||||||||||||||||||
7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | 7:35 | |
— | — | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | 5:17 | |
mm | — | — | — | — | 5 | 3 | — | 3 | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 10 | 11 | 13 | 13 | 11 | 9 | 8 | 10 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 |
Feels °C | 2 | 3 | 5 | 3 | 2 | 1 | -3 | 0 | 0 | 1 | 2 | 4 | 3 | 4 | 3 | 3 | 4 | 4 | 6 | 6 | 6 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 12 | — | SW 13 | — | SW 22 | SW 22 | SW 24 | SW 13 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
529 | 476 | 401 | 390 | 272 | 412 | 430 | 563 | — | 2207 | — | 19 | 20 | 22 | 3242 | 3717 | 4669 | 5255 | 5926 | 5926 | 6490 | 7370 | 7970 | 7319 | |
Swell 2 Height (m) Direction Period (s) | S 16 | — | — | — | NE 5 | SE 12 | — | — | — | — | — | — | — | — | — | SSW 17 | SW 21 | — | SSW 15 | S 15 | S 17 | — | — | — |
5 | — | — | — | 8 | 6 | — | — | — | — | — | — | — | — | — | 59 | 72 | — | 130 | 116 | 217 | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 19 | SSW 20 | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 74 | 75 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNE 4 | N 4 | N 4 | N 5 | NNW 5 | NW 4 | WNW 5 | WSW 12 | WSW 12 | NW 5 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | NW 5 | WNW 5 | NW 5 | WNW 5 | WNW 5 | NW 5 | NW 5 | NW 5 | WSW 15 | WSW 15 |
19 | 33 | 45 | 85 | 99 | 49 | 91 | 1754 | 3120 | 133 | 2929 | 3266 | 3241 | 3532 | 65 | 77 | 87 | 107 | 80 | 102 | 110 | 84 | 10050 | 8772 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 44 | 126 | 201 | 66 | 300 | 201 | 294 | 489 | 489 | 524 | 796 | 520 | 45 | 66 | 781 | 66 | 294 | 500 | 294 | 66 | 954 | 66 | 27 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












