Portsea Back Beach surf break

Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia

information circle48hr Weather and Surf, issued 4 am Tuesday 02 Dec 2025 AEDT
Forecast 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
15.5° 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 12PM is: 1.9m 11s primary swell from a West-southwest direction and 1.5m 11s secondary swell from a West-southwest direction, 0.9m 6s secondary swell from a South direction (forecast issued at 04:00am December 02). The wind direction is predicted to be onshore.

Time (AEDT) & DateWave HeightWave Period
Morning (02 Dec)5ft (1.6m)12s
Afternoon (02 Dec)4.5ft (1.4m)11s
Evening (02 Dec)6ft (1.8m)11s

Table - waves today at Portsea Back Beach. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tuesday
02
Wednesday
03
Thursday
04
2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM
Rating
(10 max)
0
0
0
1
0
3
3
3
3
2
2
2
3
0
1
2
2
2
1
1
1
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WSW
1.5
WSW
1.6
SW
1.9
WSW
1.4
SW
1.9
SW
1.8
SW
1.4
SW
1.3
SW
1.4
SW
1.3
SW
1.3
SW
1.3
SW
1.1
SW
1.4
SW
1.4
SW
1.4
SW
1.4
SW
1.4
SW
1.1
SW
1.7
SW
1.7
SW
2.2
SW
1.6
SW
Period(s) (?)121212111111111111131313131111111111111615141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)756636660878512806771483453690543535519286447479479471471627122911791770919
Wind
(km/h)
25
WSW
25
WSW
25
WSW
20
WSW
15
SSW
10
SSW
10
S
5
ESE
15
NNW
15
NW
20
NNW
15
N
15
NNW
20
NW
10
NW
10
NNW
15
N
25
N
35
N
35
N
30
NW
20
WSW
35
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onononononcross-
on
glasscross-
off
crosscross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
oncross-
on
High Tide
/ height (m)
8:26AM
1.23
9:54PM
1.24
9:23AM
1.22
11:10PM
1.32
10:25AM
1.23
Low Tide
/ height (m)
2:24AM
0.64
3:05PM
0.35
3:38AM
0.72
4:08PM
0.28
4:57AM
0.76
5:13PM
0.20
Tuesday
02
Wednesday
03
Thursday
04
Sunrise--5:50-------5:50-------5:50-----
Sunset------8:29-------8:30-------8:30-
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C111213141314141413121318242725222120222631261515
Feels °C (?)5779912121310991420222219171514182323811
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Portsea Back Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest