Johanna Surf Break

Lat Long: 38.78° S 143.42° E

Johanna 48 hour detailed Surf Forecast

Issued: 3 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Johanna sea temperature is
14.1°C
1.0° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 11ft (3.5m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 7.5ft (2.3m), 14s period with SSW swell.
  • Evening surf: Evening surf (17 Sep, local time) - 10ft (3.0m), 14s period with SW swell.

The current surf forecast for Johanna at 6AM is: 3.5m 14s primary swell from a Southwest direction (forecast issued at 03:00am September 17). The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (17 Sep)11ft (3.5m)14s
Afternoon (17 Sep)7.5ft (2.3m)14s
Evening (17 Sep)10ft (3.0m)14s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri morning, min 5°C on Thu night). Winds decreasing (fresh winds from the NW on Fri night, light winds from the WNW by Sat afternoon).

Thursday
17
Friday
18
Saturday
19
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)
5
5
4
3
2
2
4
4
5
5
4
8
5
5
5
7
7
3
4
3
2
3
3
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)
4
SW
15
4
SW
15
3.5
SW
14
3.5
SW
14
3
SW
14
2.3
SSW
14
3
SW
14
3
SW
14
3
SW
14
3
SW
14
3
SW
14
3.5
SW
17
3.5
SW
16
3.5
SW
16
3.5
SW
15
4
WSW
14
4.5
WSW
14
4
WSW
13
4
WSW
13
4
WSW
13
3.5
WSW
13
3.5
WSW
13
3
WSW
13
3
SW
16
Wave Graph
Metric surfscale
Energy kJ
6979
6102
5290
4369
3838
1973
3783
3893
3949
3555
3246
6909
6315
6080
5432
7125
7317
5619
5821
5133
4177
3425
2901
4645
Wind (km/h)
10
SW
15
SW
15
SW
15
WSW
20
WSW
15
W
15
W
10
WNW
10
NNW
15
NW
20
NNW
25
NW
25
WNW
25
WNW
20
NW
30
NW
30
NW
30
WNW
25
WNW
25
WNW
25
W
20
W
10
WNW
10
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
High Tide
2:55AM0.50m
2:17PM0.43m
3:27AM0.48m
2:38PM0.42m
3:59AM0.45m
2:56PM0.41m
Low Tide
8:49AM0.18m
8:44PM0.02m
9:15AM0.20m
9:11PM0.04m
9:39AM0.23m
9:38PM0.06m
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:19
 mm
Temp °C
10
9
9
9
10
10
9
7
6
5
6
13
19
19
16
16
17
17
14
16
17
17
14
13
Feels °C
7
5
5
5
6
6
5
4
3
1
2
7
13
14
11
9
9
10
9
11
13
14
13
11
  • 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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