Johanna Surf Break

Lat Long: 38.78° S 143.42° E

Johanna 48 hour detailed Surf Forecast

Issued: 3 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Johanna sea temperature is
14.0°C
0.8° 

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


How big are the waves at Johanna today (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 16ft (5.0m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 15ft (4.5m), 16s period with SW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 13ft (4.0m), 15s period with SW swell.

The current surf forecast for Johanna at 6AM is: 5.5m 17s primary swell from a Southwest direction (forecast issued at 03:00am September 10). The wind direction is predicted to be cross-onshore and the swell rating is 11.

Time (AEST) & DateWave HeightWave Period
Morning (10 Sep)16ft (5.0m)16s
Afternoon (10 Sep)15ft (4.5m)16s
Evening (10 Sep)13ft (4.0m)15s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat morning, min 9°C on Thu night). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
!
!
!
7
7
7
8
8
7
6
6
6
7
7
8
9
9
8
7
6
6
4
5
5
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
6
SW
17
5.5
SW
17
5.5
SW
16
5
SW
16
5
SW
16
4.5
SW
16
4.5
SW
16
4
SW
15
4
SW
15
3.5
SW
15
3.5
SW
15
3.5
SW
15
4
SW
15
4
SW
15
4
SW
16
4
SW
16
4
SW
16
4
SW
16
3.5
SW
16
3.5
SW
15
3.5
SW
15
3
SW
15
3
SW
15
3
SW
15
Wave Graph
Metric surfscale
Energy kJ
20715
18592
15637
13174
11605
10343
8767
7265
6498
5872
5651
6034
7019
7730
8821
8630
8233
7312
6461
5822
5024
4668
4139
3612
Wind (km/h)
15
SSW
10
SSW
10
SW
15
SW
15
SW
10
WSW
10
SW
5
SW
0
WNW
0
N
0
WSW
5
SSW
10
S
10
S
10
ESE
5
ENE
5
NE
5
NE
5
NE
0
NE
5
SSE
10
SSE
10
NE
10
NNE
Wind State
on
on
on
cross-on
cross-on
cross-on
on
glassy
glassy
glassy
glassy
on
on
cross-on
cross
cross-off
cross-off
glassy
off
glassy
glassy
cross-on
cross-off
off
High Tide
11:24AM0.40m
10:19PM0.32m
11:51AM0.42m
11:39PM0.38m
12:17PM0.43m
Low Tide
3:17AM0.14m
5:45PM0.26m
4:54AM0.14m
6:00PM0.20m
5:53AM0.13m
6:25PM0.14m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:12
6:13
 mm
Temp °C
10
9
9
10
11
11
10
10
9
9
9
12
13
12
10
10
10
9
10
14
17
17
14
14
Feels °C
6
6
6
6
7
8
8
9
8
8
8
10
10
9
7
8
8
7
7
12
15
14
12
12
  • 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 Johanna 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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