Marion Bay Surf Break

Lat Long: 42.80° S 147.87° E

Marion Bay 48 hour detailed Surf Forecast

Issued: 3 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Marion Bay sea temperature is
12.4° C
0.5° 

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 (17 Aug):

  • Afternoon surf: Afternoon surf (17 Aug, local time) - 1.5ft (0.5m), 16s period with S swell.
  • Evening surf: Evening surf (17 Aug, local time) - 1.5ft (0.5m), 16s period with S swell.

The current surf forecast for Marion Bay at 9PM is: 0.5m 16s primary swell from a South direction and 0.3m 10s secondary swell from a South direction (forecast issued at 03:00pm August 17). The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (17 Aug)--
Afternoon (17 Aug)1.5ft (0.5m)16s
Evening (17 Aug)1.5ft (0.5m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Wed morning, min 9°C on Mon night). Wind will be generally light.

Mon
17
Tuesday
18
Wednesday
19
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)
0
0
0
0
1
1
1
0
0
0
0
1
2
0
0
0
0
0
0
0
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)
0.4
SSE
17
0.5
S
16
0.5
S
16
0.5
S
16
0.5
S
15
0.4
SSE
15
0.4
SSE
15
0.4
SSE
16
0.3
S
16
1.1
NE
5
1.3
NE
6
1.2
NE
6
1.5
NNE
6
1.7
NNE
6
1.7
NNE
7
1.2
NE
7
1.4
NE
7
1.8
NE
7
1.8
NE
8
1.7
NE
8
Wave Graph
Metric surfscale
Energy kJ
96
135
131
122
116
76
78
81
45
63
100
96
170
253
269
128
181
355
375
337
Wind (km/h)
5
E
10
NE
10
NE
15
NNE
10
N
10
N
10
NNW
15
NNE
20
NE
25
NE
25
NNE
15
N
10
N
15
NNE
20
NNE
20
NNE
25
NNE
25
NNE
20
NNE
25
N
Wind State
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
High Tide
00:01AM0.81m
12:25PM0.96m
1:01AM0.74m
1:06PM0.97m
Low Tide
6:05PM0.36m
5:55AM0.37m
7:07PM0.35m
6:30AM0.43m
8:07PM0.34m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:25
5:28
 mm
Temp °C
12
11
11
11
10
9
10
13
14
13
12
12
11
11
11
14
16
16
15
14
Feels °C
10
8
8
8
7
6
7
9
9
8
8
9
8
8
8
10
11
11
10
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
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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