Portsea Back Beach surf break

Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia

information circle48hr Weather and Surf, issued 9 pm Friday 11 Jul 2025 AEST
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
13.4° C
(Which is 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 2AM is: 2.5m 13s primary swell from a Southwest direction and 0.3m 21s secondary swell from a Southwest direction (forecast issued at 09:00pm July 11). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (12 Jul)8ft (2.4m)13s
Afternoon (12 Jul)7.5ft (2.3m)13s
Evening (12 Jul)7.5ft (2.3m)16s

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

Updates in  hr  min  s Forecast update imminent
Fri
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Sat
19
7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.3
SW
3
SW
2.5
SW
2.5
SW
2.5
SW
2.4
SW
2.4
SW
2.2
SW
2.5
SW
2.3
SW
2.2
SW
2
SW
1.9
SW
1.8
SW
1.8
SW
1.8
SW
3
WSW
4
WSW
4
SW
3.5
SW
4
SW
3
SW
2.5
SW
2.4
SW
2.1
SW
2.1
SW
2
SW
2
SW
2
SW
1.9
SW
1.7
SW
1.6
SW
1.4
SW
1.2
SW
2.3
WSW
1.8
SW
1.6
SW
1.7
SW
2
SW
2.2
SW
2.4
SW
2.4
SW
2.3
SW
2.2
SW
2.2
SW
2.3
SW
2.4
SW
2.5
WSW
3
SW
3.5
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
2.5
SW
2.4
SW
2.5
SW
2.5
SW
Period(s) (?)111213131313131317161616151514141413131313131313131313131313121212121212121213131313141414141515201919181817171716161616
Wave
Graph
(?)Metric surfscale
Energy (?)193445482232206521762178222024793446283724411932166414581382128031595236568046458734325725492066164915301395134113051247940815645694251995187610211452171718902222223522172562312140745826797880688153767867676014505444273550302831603579
Wind
(km/h)
20
WSW
20
W
20
WNW
20
WNW
20
WNW
25
WNW
15
NW
10
NNW
15
NNW
25
NNW
30
N
30
N
40
N
45
N
45
NNW
40
WNW
45
W
40
W
35
SW
25
WSW
20
W
20
WNW
25
WNW
25
NW
25
NW
25
NW
35
WNW
30
WNW
25
W
20
W
25
WNW
25
W
25
W
25
WNW
25
WNW
30
WNW
25
WNW
25
WNW
25
WNW
25
NW
25
NNW
25
NNW
30
N
30
NNW
30
NNW
25
NW
25
W
10
WSW
10
NNW
5
NNW
5
WNW
0
NW
5
N
10
N
5
NNW
0
E
5
E
10
NNE
10
NNE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
off
cross-
off
crossglassglasscross-
off
cross-
off
glassglassoffoffcross-
off
High Tide
/ height (m)
11:16PM
1.20
1:14PM
1.46
12:14AM
1.21
1:54PM
1.48
1:10AM
1.25
2:30PM
1.50
2:03AM
1.29
3:04PM
1.50
2:55AM
1.34
3:37PM
1.50
3:46AM
1.38
4:10PM
1.50
4:38AM
1.41
4:45PM
1.49
Low Tide
/ height (m)
6:27PM
0.84
6:05AM
0.27
7:16PM
0.77
6:54AM
0.24
7:58PM
0.69
7:42AM
0.23
8:36PM
0.60
8:27AM
0.25
9:12PM
0.52
9:11AM
0.29
9:50PM
0.44
9:54AM
0.37
10:29PM
0.36
10:37AM
0.46
11:11PM
0.30
Fri
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Sat
19
Sunrise-----7:35-------7:35-------7:35-------7:35-------7:35-------7:33-------7:33------
Sunset-------5:16-------5:16-------5:17-------5:19-------5:19-------5:20-------5:21----
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Rain (mm)
----------------3-1-------11------------------231-----------
Temp. °C1312131212101415141313131213151412101110910111110998891012119810101113141412121110111010101010101010111211111010
Feels °C (?)8787751012108763455213345454211244653135579865436588889889119977
  • 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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