Portsea Back Beach Surf Break

Lat Long: 38.33° S 144.69° E

Issued: 3 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Portsea Back Beach sea temperature is
15.0° C

1.0°C warmer than normal for this time of year

Portsea Back Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Portsea Back Beach today (20 Jun):

  • Afternoon surf: Afternoon surf (20 Jun, local time) - 8ft (2.4m), 11s period with SSW swell.
  • Evening surf: Evening surf (20 Jun, local time) - 6ft (1.9m), 14s period with SW swell.

The current surf forecast for Portsea Back Beach at 7PM is: 1.8m 11s primary swell from a Southwest direction and 1.2m 15s secondary swell from a Southwest direction, 1.0m 5s secondary swell from a Southeast direction (forecast issued at 03:00pm June 20). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Jun)--
Afternoon (20 Jun)8ft (2.4m)11s
Evening (20 Jun)6ft (1.9m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 13°C on Mon afternoon, min 9°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the W by Tue morning).

Sat
20
Sunday
21
Monday
22
Tue
23
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
Rating
(10 max)
0
0
0
3
2
2
2
2
3
0
1
2
2
3
3
3
3
3
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SSW
11
2.3
SSW
11
1.8
SW
11
1.9
SW
14
1.1
SW
14
1.2
SW
14
1.2
SW
14
1.7
SW
14
1.6
SW
14
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.5
SW
13
1.5
SW
14
1.5
SW
15
1.5
SW
15
1.5
SW
14
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.4
SW
14
1.6
SW
14
Wave Graph
Metric surfscale
Energy kJ
1736
1170
716
1500
520
598
598
1163
1004
947
933
846
846
834
767
899
924
924
911
736
726
676
715
891
Wind (km/h)
35
SSW
30
SSW
30
SSE
20
ESE
15
SE
15
SE
15
SE
15
SSE
15
SSE
15
SSE
15
SSE
10
SSE
5
SSE
5
SE
5
N
10
N
15
NW
10
WNW
15
W
20
WNW
20
WNW
25
WNW
25
NW
25
WNW
Wind State
cross-on
cross-on
cross-on
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
glassy
glassy
cross-off
cross
cross
cross-on
cross-on
cross
cross
cross
cross
High Tide
3:55PM1.63m
3:52AM1.42m
4:36PM1.60m
4:49AM1.40m
5:16PM1.55m
5:46AM1.37m
Low Tide
10:05PM0.51m
10:05AM0.30m
10:51PM0.46m
10:53AM0.42m
11:36PM0.43m
cloud
part cloud
light rain
light rain
light rain
rain showers
light rain
rain showers
light rain
cloud
cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:37
7:37
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:07
5:07
5:07
5:07
 mm
2
2
1
1
1
1
1
Temp °C
13
12
11
11
12
12
12
12
12
12
12
12
12
12
11
11
11
13
13
12
10
9
10
12
Feels °C
6
5
5
7
9
9
9
8
8
8
8
9
10
10
9
9
8
10
9
7
5
3
4
6
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
16
1.3
SW
16
1.8
SW
11
1.9
SW
14
1.4
SW
10
1.2
SW
14
1.2
SW
14
1.7
SW
14
1.6
SW
14
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.5
SW
13
1.5
SW
14
1.5
SW
15
1.5
SW
15
1.5
SW
14
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.4
SW
14
1.6
SW
14
Energy kJ
546
763
716
1500
377
598
598
1163
1004
947
933
846
846
834
767
899
924
924
911
736
726
676
715
891
Swell 2
Height (m)
Direction
Period (s)
1.1
SW
16
1.1
SW
16
1.2
SW
15
0.2
S
15
1.1
SW
14
1.2
SW
10
1.1
SW
10
0.4
SE
5
0.4
SE
5
0.4
SE
5
0.2
ESE
5
0.2
ESE
4
0.2
ESE
6
0.2
ESE
6
0.3
SSW
15
0.4
SSW
17
0.4
SSW
16
0.4
SSW
15
0.4
SSW
15
0.3
SSW
15
0.1
E
6
0.1
E
6
0.2
S
13
0.3
SSW
14
Energy kJ
620
612
614
18
520
281
240
7
6
6
2
2
3
3
47
96
81
77
72
43
1
1
14
41
Swell 3
Height (m)
Direction
Period (s)
0.2
S
16
0.2
S
16
0.2
S
15
0.6
SE
6
0.6
SE
6
0.5
SE
6
0.2
ESE
6
0.2
ESE
5
0.1
E
5
0.1
E
11
0.1
E
11
0.1
E
6
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
Energy kJ
20
20
19
19
24
15
3
3
1
2
2
1
2
2
2
2
Wind waves
Height (m)
Direction
Period (s)
2.5
SSW
11
2.3
SSW
11
1
SE
5
0.9
SE
5
0.8
SE
6
0.3
SE
5
0.4
WNW
3
0.6
W
3
0.7
WNW
4
0.6
NW
4
0.8
WNW
4
Energy kJ
1736
1170
44
47
36
3
3
8
11
11
16
Nearest Offshore or Glassy
Rating
(10 max)
5
4
2
4
3
3
3
3
4
2
3
3
3
3
3
3
3
4
3
3
2
2
2
2
Distance (km)
403
43
358
43
4
4
4
43
4
44
4
4
4
0
0
0
17
13
17
17
25
25
25
27
Best forecast wave conditions in Mornington Peninsula
Rating
(10 max)
3
3
3
4
3
3
3
3
3
3
3
4
3
3
2
Best forecast wave conditions in Australia
Rating
(10 max)
5
5
5
5
4
3
4
4
4
3
3
4
4
4
4
4
5
4
4
3
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
8
9
9
9
8
7
7
8
7
7
6
6
8
6
5
5
5
5
  • 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
How to use the Wavefinder 

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