Marion Bay Surf Break

Lat Long: 42.80° S 147.87° E

Marion Bay 48 hour detailed Surf Forecast

Issued: 3 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Marion Bay sea temperature is
12.5° C
0.6° 

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 (13 Aug):

  • Afternoon surf: Afternoon surf (13 Aug, local time) - 3.5ft (1.1m), 16s period with S swell.
  • Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.0m), 16s period with S swell.

The current surf forecast for Marion Bay at 11PM is: 0.9m 16s primary swell from a South-southeast direction and 0.6m 10s secondary swell from a East direction (forecast issued at 03:00pm August 13). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (AEST) & DateWave HeightWave Period
Morning (13 Aug)--
Afternoon (13 Aug)3.5ft (1.1m)16s
Evening (13 Aug)3.5ft (1.0m)16s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 14°C on Thu afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the W on Thu night, calm by Sun morning).

Thu
13
Friday
14
Saturday
15
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)
2
3
3
2
1
0
0
1
2
0
1
2
2
3
3
3
2
1
1
2
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)
1
S
16
1.1
S
16
1
S
16
0.9
SSE
16
0.9
SSE
16
0.8
S
16
0.8
S
16
0.9
S
16
1
S
16
0.9
SSE
16
0.9
SSE
15
0.8
SSE
15
0.8
SSE
15
1.1
S
15
1.1
SSE
15
1.1
SSE
15
1
SSE
15
1
SSE
15
0.9
SSE
15
0.7
SSE
15
Wave Graph
Metric surfscale
Energy kJ
503
597
516
416
411
314
310
386
496
406
395
308
304
559
589
581
474
462
355
222
Wind (km/h)
20
WSW
15
WNW
20
WNW
25
WNW
25
W
30
W
30
W
25
W
25
WSW
20
SSW
20
SSW
10
SW
5
WSW
5
W
5
W
5
WNW
5
NE
5
ENE
5
NNE
5
NNW
Wind State
cross-off
off
off
off
off
cross-off
cross-off
off
cross-off
cross
cross
cross-off
cross-off
cross-off
off
glassy
glassy
cross-on
cross
cross-off
High Tide
8:18PM1.19m
9:41AM0.84m
9:13PM1.11m
10:24AM0.87m
Low Tide
3:21AM0.07m
2:57PM0.40m
4:04AM0.14m
4:00PM0.38m
part cloud
part cloud
clear
cloud
part cloud
part cloud
cloud
clear
light rain
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:21
5:22
5:22
 mm
1
1
Temp °C
14
14
12
13
12
12
11
12
11
10
9
9
8
8
7
8
10
10
9
9
Feels °C
9
10
7
7
6
5
4
5
6
6
4
5
5
5
4
6
7
7
6
7
  • 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.


Nearest locationNearest