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Portsea Back Beach Surf Forecast
/ VIC – Mornington Peninsula (24 breaks) / Victoria (127 breaks) /
Surf Forecasts
Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia
48hr Weather and Surf, issued 9 pm Friday 11 Jul 2025 AESTForecast update in hr min s Forecast update imminent
Portsea Back Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portsea Back Beach sea temperature is
13.4° C
(Which is normal for this time of year)How big are the waves at Portsea Back Beach today?
The current surf forecast for Portsea Back Beach at 2AM is: 2.5m 13s primary swell from a Southwest direction and 0.3m 21s secondary swell from a Southwest direction (forecast issued at 09:00pm July 11). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jul) | 8ft (2.4m) | 13s |
| Afternoon (12 Jul) | 7.5ft (2.3m) | 13s |
| Evening (12 Jul) | 7.5ft (2.3m) | 16s |
Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Sat 19 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 1934 | 4548 | 2232 | 2065 | 2176 | 2178 | 2220 | 2479 | 3446 | 2837 | 2441 | 1932 | 1664 | 1458 | 1382 | 1280 | 3159 | 5236 | 5680 | 4645 | 8734 | 3257 | 2549 | 2066 | 1649 | 1530 | 1395 | 1341 | 1305 | 1247 | 940 | 815 | 645 | 694 | 2519 | 951 | 876 | 1021 | 1452 | 1717 | 1890 | 2222 | 2235 | 2217 | 2562 | 3121 | 4074 | 5826 | 7978 | 8068 | 8153 | 7678 | 6767 | 6014 | 5054 | 4427 | 3550 | 3028 | 3160 | 3579 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- off | cross- off | cross | glass | glass | cross- off | cross- off | glass | glass | off | off | cross- off |
High Tide / height (m) | 11:16PM 1.20 | 1:14PM 1.46 | 12:14AM 1.21 | 1:54PM 1.48 | 1:10AM 1.25 | 2:30PM 1.50 | 2:03AM 1.29 | 3:04PM 1.50 | 2:55AM 1.34 | 3:37PM 1.50 | 3:46AM 1.38 | 4:10PM 1.50 | 4:38AM 1.41 | 4:45PM 1.49 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 6:27PM 0.84 | 6:05AM 0.27 | 7:16PM 0.77 | 6:54AM 0.24 | 7:58PM 0.69 | 7:42AM 0.23 | 8:36PM 0.60 | 8:27AM 0.25 | 9:12PM 0.52 | 9:11AM 0.29 | 9:50PM 0.44 | 9:54AM 0.37 | 10:29PM 0.36 | 10:37AM 0.46 | 11:11PM 0.30 | |||||||||||||||||||||||||||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Sat 19 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:21 | - | - | - | - |
 | |  |  | |  | |  | | | | | |  | | |  | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | - | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 13 | 12 | 12 | 10 | 14 | 15 | 14 | 13 | 13 | 13 | 12 | 13 | 15 | 14 | 12 | 10 | 11 | 10 | 9 | 10 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 9 | 10 | 12 | 11 | 9 | 8 | 10 | 10 | 11 | 13 | 14 | 14 | 12 | 12 | 11 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 10 | 10 |
| Feels °C (?) | 8 | 7 | 8 | 7 | 7 | 5 | 10 | 12 | 10 | 8 | 7 | 6 | 3 | 4 | 5 | 5 | 2 | 1 | 3 | 3 | 4 | 5 | 4 | 5 | 4 | 2 | 1 | 1 | 2 | 4 | 4 | 6 | 5 | 3 | 1 | 3 | 5 | 5 | 7 | 9 | 8 | 6 | 5 | 4 | 3 | 6 | 5 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 9 | 11 | 9 | 9 | 7 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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