Marion Bay Surf Break

Lat Long: 42.80° S 147.87° E

Marion Bay 48 hour detailed Surf Forecast

Issued: 9 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Marion Bay sea temperature is
12.7° C
0.2° 

Marion Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Marion Bay today (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 2ft (0.6m), 12s period with ENE swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.7m), 11s period with NE swell.
  • Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.8m), 11s period with ENE swell.

The current surf forecast for Marion Bay at 3PM is: 0.7m 11s primary swell from a Northeast direction and 0.4m 14s secondary swell from a Southeast direction (forecast issued at 09:00am July 20). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Jul)2ft (0.6m)12s
Afternoon (20 Jul)2.5ft (0.7m)11s
Evening (20 Jul)2.5ft (0.8m)11s

Table - waves today at Marion Bay. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 15°C on Mon morning, min 5°C on Wed night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
1
1
1
1
2
2
2
2
2
2
1
0
0
1
1
1
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ENE
12
0.6
ENE
11
0.7
ENE
11
0.7
NE
11
0.7
NE
11
0.8
ENE
11
0.8
ENE
11
0.8
ENE
11
0.9
NE
11
0.8
ENE
11
0.8
ENE
11
0.9
NE
11
0.8
ENE
11
0.8
ENE
11
0.7
NE
11
0.7
NE
11
0.7
NE
10
0.9
NE
10
0.8
NE
10
0.6
NE
10
0.6
ENE
10
0.4
S
13
Wave Graph
Metric surfscale
Energy kJ
96
85
107
121
119
149
149
151
172
151
151
172
149
149
117
115
110
173
122
80
67
56
Wind (km/h)
15
NNW
15
NNW
10
NW
15
NNW
15
NNW
10
NW
10
NNW
10
NW
5
NW
5
NNW
10
NNW
10
NNW
15
NNW
15
NNW
20
NNW
20
NW
15
NW
20
NW
25
W
25
SW
25
W
20
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
cross-off
cross-off
off
High Tide
1:21PM0.94m
1:18AM0.79m
2:01PM0.97m
2:22AM0.71m
2:40PM0.99m
Low Tide
6:44AM0.27m
7:36PM0.41m
7:19AM0.34m
8:43PM0.38m
7:52AM0.41m
9:44PM0.35m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:31
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:57
4:58
4:59
 mm
1
1
Temp °C
11
12
15
15
13
13
12
11
11
11
13
13
13
12
12
13
11
13
11
9
7
6
Feels °C
6
7
11
11
9
10
10
9
9
9
11
10
10
9
8
9
7
8
5
3
1
0
  • 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 Marion Bay 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.


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