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Surf Forecasts:

Portsea Back Beach surf break

Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia

information circle48hr Weather and Surf, issued 10 pm Sunday 11 Jan 2026 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
18.1° C
 (Which is 1.0°C warmer than 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 3AM is: 1.1m 11s primary swell from a Southwest direction and 0.7m 7s secondary swell from a South direction (forecast issued at 10:00pm January 11). The wind direction is predicted to be cross-shore.

Time (AEDT) & DateWave HeightWave Period
Morning (12 Jan)4ft (1.2m)10s
Afternoon (12 Jan)3.5ft (1.0m)10s
Evening (12 Jan)3ft (0.9m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sun
11
Monday
12
Tuesday
13
Wednesday
14
8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM
Rating
(10 max)
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
WSW
1.2
SW
1.1
SW
1.1
SW
1.2
SW
1.1
SW
1.1
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
1
SW
1.1
SW
1.1
SW
0.7
SW
0.9
SW
1.1
SW
1.4
SW
1.5
SW
1.5
SW
1.5
SW
1.6
SW
1.5
SW
Period(s) (?)11111110101010109999101010161615141414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)403347263281279245208154125138138144192226251264406485821874874874951825
Wind
(km/h)
20
SSE
25
SSE
20
SE
15
ESE
15
ESE
10
SE
25
S
30
S
25
SSE
25
S
20
S
20
S
15
SSE
20
S
25
S
25
S
25
S
25
S
25
S
20
S
20
S
20
S
30
S
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
6:42PM
1.28
6:30AM
1.40
7:29PM
1.24
7:00AM
1.34
8:18PM
1.20
7:31AM
1.28
Low Tide
/ height (m)
12:26AM
0.51
1:03PM
0.26
1:03AM
0.62
1:41PM
0.28
1:43AM
0.72
2:22PM
0.29
Sun
11
Monday
12
Tuesday
13
Wednesday
14
Sunrise----6:09-------6:11-------6:11---
Sunset8:46-------8:46-------8:46-------
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C141313131314151515151515151516161515151515171818
Feels °C (?)1089991110910111112121212111111111212151414
  • 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

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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.

View detailed surf forecast for Portsea Back Beach at:
surf-forecast.com

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