Portsea Back Beach surf break

Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia

information circle48hr Weather and Surf, issued 3 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 7PM is: 2.3m 11s primary swell from a Southwest direction and 1.3m 14s secondary swell from a Southwest direction, 0.1m 22s secondary swell from a Southwest direction (forecast issued at 03:00pm July 11). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (11 Jul)--
Afternoon (11 Jul)10ft (3.0m)14s
Evening (11 Jul)7ft (2.2m)13s

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

Updates in  hr  min  s Forecast update imminent
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM
Rating
(10 max)
0
0
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 (?)
2.5
SW
3
SW
2.3
SW
3
SW
2.5
SW
2.5
SW
2.5
SW
2.4
SW
2.4
SW
2.2
SW
2.4
SW
2.3
SW
2.1
SW
2
SW
1.9
SW
1.8
SW
1.8
SW
1.9
SW
3
WSW
4
WSW
4
SW
4.5
SW
4
SW
3.5
SW
3
SW
2.5
SW
2.2
SW
2.1
SW
2
SW
1.9
SW
1.8
SW
1.8
SW
1.9
SW
1.9
SW
2.1
WSW
2
WSW
1.6
SW
1.6
SW
1.7
SW
1.8
SW
2.1
SW
2.3
SW
2.4
SW
2.4
SW
2.2
SW
2.3
SW
2.3
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
1.7
SW
2.1
SW
3
SW
3
SW
3
SW
2.5
SW
2.5
SW
2.3
SW
2.2
SW
Period(s) (?)141311121313131313131716161615151414141313141314131313131313131313131212121212121212131313151414141414201919181817171717
Wave
Graph
(?)Metric surfscale
Energy (?)2563288619344548223220652176217822232564325726672291193216641458138214533282495460856461110273788282423101701152013811248112110081200108824412141776808911104113811636200320702142287527303332382239394401465852236341587351144470394032912729
Wind
(km/h)
35
W
25
SW
20
WSW
15
W
20
WNW
20
WNW
20
WNW
25
WNW
20
NW
15
NNW
15
NNW
25
NNW
30
N
35
N
40
N
45
N
45
NNW
40
WNW
45
WSW
35
W
30
WSW
25
WSW
20
W
15
WNW
25
WNW
30
WNW
25
WNW
25
WNW
25
WNW
30
WNW
30
WNW
25
WNW
30
WSW
20
WSW
20
W
20
WNW
25
WNW
25
WNW
25
WNW
30
NW
25
WNW
25
NW
25
NNW
30
NNW
30
NNW
35
NW
35
NW
30
WNW
25
WSW
20
SW
20
SW
15
WSW
10
WSW
10
W
5
WNW
10
NNW
10
N
10
NE
10
ENE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
ononcross-
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
cross-
on
oncross-
on
cross-
on
crosscross-
on
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
onononcross-
on
cross-
on
cross-
on
cross-
off
cross-
off
offcross-
off
off
High Tide
/ height (m)
12:29PM
1.42
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
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Sunrise-------7:35-------7:35-------7:35-------7:35-------7:35-------7:33-------7:33----
Sunset-5:15-------5:16-------5:16-------5:17-------5:19-------5:19-------5:20-------5:21--
clearrain showersclearclearcloudpart cloudcloudclearclearpart cloudcloudcloudpart cloudcloudcloudcloudcloudlight rainlight rainclearcloudlight rainpart cloudpart cloudclearcloudpart cloudcloudpart cloudclearclearcloudlight rainrain showersclearclearcloudcloudcloudpart cloudcloudclearpart cloudpart cloudpart cloudcloudlight rainlight rainlight rainlight raincloudcloudcloudpart cloudclearclearclearclearclearpart cloud
Rain (mm)
-1---------------13--1----------11------------1111----------
Temp. °C141413121211121013141413131312131513111091010101111988778101111109101011131514111112101111121212111110910101110
Feels °C (?)78887675911108763454122456443220023665344579844434667888767785
  • 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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