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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 4 pm Saturday 31 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
18.4° C
 (Which is slightly warmer than usual)

How big are the waves at Portsea Back Beach today?

The current surf forecast for Portsea Back Beach at 9PM is: 1.2m 11s primary swell from a Southwest direction and 0.7m 4s secondary swell from a South-southwest direction (forecast issued at 04:00pm January 31). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (AEDT) & DateWave HeightWave Period
Morning (31 Jan)--
Afternoon (31 Jan)4ft (1.2m)12s
Evening (31 Jan)4ft (1.2m)11s

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
Saturday
31
Sunday
01
Monday
02
Tuesday
03
2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
1
2
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
1.2
SW
1.2
SW
1.6
SW
1.1
SW
1.1
SW
1.8
SW
2.1
SW
2.2
SW
3
SW
3
SW
3
SW
2.5
SSW
2.5
SSW
2.4
SSW
2.2
SSW
2
SW
1.8
SW
1.9
SSW
1.6
SW
1.6
SW
1.5
SW
1.3
SW
1.3
SW
Period(s) (?)12121111111111668910111111111112121212111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3963893635892682688073073989081486159915971447140012871004897939699633563461453
Wind
(km/h)
20
S
30
SSW
25
SSW
25
SSW
25
SW
25
SW
35
SW
40
SW
40
SW
45
SW
45
SSW
35
S
35
S
30
SSE
25
SSE
25
SSE
25
SSE
25
SSE
25
SSE
25
SE
20
ESE
20
E
20
N
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		ononononononononcross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
11:37PM
1.26
10:32AM
1.17
12:51AM
1.31
12:01PM
1.17
1:49AM
1.37
Low Tide
/ height (m)
4:16PM
0.19
5:15AM
0.80
5:35PM
0.19
6:49AM
0.71
6:51PM
0.18
7:54AM
0.57
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Sunrise------6:31-------6:33-------6:35-
Sunset--8:36-------8:35-------8:35-----
cloud
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C191818171616151615151514141515151514141414131321
Feels °C (?)181415131112886545689910889109916
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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