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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 Friday 30 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
18.7° 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 11PM is: 1.0m 10s primary swell from a Southwest direction and 0.4m 4s secondary swell from a South-southeast direction (forecast issued at 04:00pm January 30). The wind direction is predicted to be cross-onshore.

Time (AEDT) & DateWave HeightWave Period
Morning (30 Jan)--
Afternoon (30 Jan)3.5ft (1.1m)10s
Evening (30 Jan)3.5ft (1.0m)10s

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
Friday
30
Saturday
31
Sunday
01
Monday
02
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1
SW
1
SW
1.1
SW
1.1
SW
1.2
SW
1.2
SW
1.1
SW
1.2
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.9
SW
2.1
SW
2.3
SW
3
SW
3
SW
3
SSW
2.5
SSW
2.4
SSW
2.3
SSW
2.1
SSW
Period(s) (?)10101010101212121212111111111167891010111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)235231200196235361403396349389320273268268821341480957143014171509136313141095
Wind
(km/h)
20
S
25
S
20
S
15
SSW
10
SSW
10
S
5
SSE
15
SW
25
SSW
30
SSW
30
SSW
30
SSW
25
SW
25
SW
35
SW
40
SW
45
SW
45
SSW
45
SSW
35
S
30
S
30
SSE
25
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		onononononononcross-
on		cross-
on		cross-
on		crosscross
High Tide
/ height (m)
10:14PM
1.25
9:09AM
1.21
11:37PM
1.26
10:32AM
1.17
12:51AM
1.31
Low Tide
/ height (m)
3:04PM
0.16
3:41AM
0.82
4:16PM
0.19
5:15AM
0.80
5:35PM
0.19
6:49AM
0.71
Friday
30
Saturday
31
Sunday
01
Monday
02
Sunrise------6:31-------6:31-------6:33-
Sunset--8:37-------8:36-------8:35-----
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C192018181717171819181716161615151515151414141415
Feels °C (?)17181718171718171614131111118765556789
  • 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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