Portsea Back Beach Surf Break
Lat Long: 38.33° S 144.69° E

Portsea Back Beach 48 hour detailed Surf Forecast

Weather Forecast for Portsea Back Beach

Issued: 3 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

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

Slightly warmer than usual

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 (08 Jun):

  • Afternoon surf: Afternoon surf (08 Jun, local time) - 8ft (2.5m), 16s period with SW swell.
  • Evening surf: Evening surf (08 Jun, local time) - 7ft (2.1m), 15s period with SW swell.

The current surf forecast for Portsea Back Beach at 9PM is: 2.1m 15s primary swell from a Southwest direction and 0.4m 15s secondary swell from a South-southwest direction (forecast issued at 03:00pm June 08). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (08 Jun)--
Afternoon (08 Jun)8ft (2.5m)16s
Evening (08 Jun)7ft (2.1m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Very mild (max 17°C on Tue afternoon, min 12°C on Mon night). Winds decreasing (strong winds from the N on Tue night, calm by Thu morning).

Mon
8
Tuesday
9
Wednesday
10
Thu
11
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)
5
5
2
2
2
2
1
0
0
0
0
1
0
0
0
1
0
2
1
3
4
4
4
4
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
SW
16
2.5
SW
15
2.3
SW
15
2.1
SW
15
1.9
SW
15
1.7
SW
14
1.6
SW
14
1.4
SW
14
1.3
SW
14
1.3
SW
14
1.2
SW
14
1.4
SW
16
1.4
SW
16
1.4
SW
15
1.3
SW
15
1.3
SW
14
1.4
SW
14
1.6
SW
14
1.4
SW
14
1.1
SW
18
2.1
SW
18
2.5
SW
17
3
SW
17
3
SW
16
Wave Graph
Metric surfscale
Energy kJ
3311
2851
2238
1784
1526
1179
978
787
686
595
534
1027
989
939
695
676
752
1002
846
702
2813
4043
4473
4209
Wind (km/h)
15
NNE
20
NNE
25
N
30
N
30
NNE
30
NNE
35
NNE
40
N
40
NNE
40
NNE
40
NNE
40
N
45
N
45
N
45
N
35
NNW
30
NW
20
NW
15
W
10
W
10
WNW
5
WNW
10
NW
10
WNW
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross-on
High Tide
5:02PM1.45m
5:08AM1.25m
5:35PM1.42m
6:05AM1.26m
6:12PM1.38m
7:08AM1.28m
Low Tide
10:28AM0.41m
11:19PM0.56m
11:10AM0.50m
11:58PM0.52m
11:57AM0.61m
00:43AM0.47m
clear
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
cloud
part cloud
clear
cloud
cloud
part cloud
cloud
cloud
rain showers
cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:07
5:07
5:07
5:07
 mm
1
Temp °C
15
16
15
12
12
12
12
12
15
17
16
15
14
15
16
16
16
15
14
14
14
13
13
13
Feels °C
11
11
10
6
6
6
4
3
8
9
9
7
5
7
8
9
10
12
11
12
12
12
11
11
Swell 1
Height (m)
Direction
Period (s)
2.5
SW
16
2.5
SW
15
2.3
SW
15
2.1
SW
15
1.9
SW
15
1.7
SW
14
1.6
SW
14
1.4
SW
14
1.3
SW
14
1.3
SW
14
1.2
SW
14
1.4
SW
16
1.4
SW
16
1.4
SW
15
1.3
SW
15
1.3
SW
14
1.4
SW
14
1.6
SW
14
1.4
SW
14
1.2
SW
14
2.1
SW
18
2.5
SW
17
3
SW
17
3
SW
16
Energy kJ
3311
2851
2238
1784
1526
1179
978
787
686
595
534
1027
989
939
695
676
752
1002
846
581
2813
4043
4473
4209
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
16
0.6
SSW
16
0.4
SSW
15
0.5
SSW
14
0.4
SSW
14
0.3
SSW
15
0.1
SW
22
0.3
SSW
15
0.3
SW
20
0.6
SW
18
0.7
SW
18
0.3
SSW
16
0.3
SSW
16
0.3
SSW
16
0.2
SSW
16
0.2
SSW
15
0.3
SSW
15
0.3
S
18
0.7
SW
19
1.1
SW
18
1.5
WSW
13
0.4
SSW
17
0.5
SSW
17
Energy kJ
276
196
75
120
81
43
18
43
60
199
307
51
50
48
24
22
45
57
343
702
721
100
166
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
20
0.2
SSW
15
0.1
S
18
0.2
SSW
18
0.3
SSW
16
0.2
S
15
0.4
SSW
17
0.5
W
7
0.4
SSW
17
Energy kJ
38
21
6
30
52
17
94
27
99
Wind waves
Height (m)
Direction
Period (s)
0.6
N
3
0.7
N
4
0.7
NNE
4
0.8
NNE
4
1.1
N
4
1.2
N
5
1
N
4
1
NNE
4
1
N
4
1.2
N
4
1.3
NNE
5
1.3
N
5
1.1
N
4
0.7
NNW
4
0.6
NW
4
0.5
NW
3
Energy kJ
7
12
15
19
44
63
38
43
41
58
74
74
48
17
10
6
Nearest Offshore or Glassy
Rating
(10 max)
5
5
4
4
4
3
3
2
2
2
3
4
3
3
1
2
2
3
3
4
5
5
5
5
Distance (km)
0
0
7
7
7
7
19
44
48
48
48
63
63
63
201
25
25
17
17
13
17
4
7
17
Best forecast wave conditions in Mornington Peninsula
Rating
(10 max)
5
5
4
4
3
4
3
4
5
5
5
5
Best forecast wave conditions in Australia
Rating
(10 max)
7
6
5
5
5
3
4
4
4
4
4
4
5
5
5
5
5
4
5
9
9
9
9
9
Header Global
Rating
(10 max)
7
6
7
5
5
6
7
9
9
8
7
6
5
5
6
5
5
5
8
9
9
9
9
9
  • 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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