Johanna Surf Break

Lat Long: 38.78° S 143.42° E

Johanna 48 hour detailed Surf Forecast

Issued: 9 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Johanna sea temperature is
13.9°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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 11ft (3.5m), 17s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 11ft (3.5m), 16s period with SW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 13ft (4.0m), 14s period with WSW swell.

The current surf forecast for Johanna at 2AM is: 3.0m 14s primary swell from a Southwest direction and 0.9m 19s secondary swell from a Southwest direction (forecast issued at 09:00pm September 17). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (AEST) & DateWave HeightWave Period
Morning (18 Sep)11ft (3.5m)17s
Afternoon (18 Sep)11ft (3.5m)16s
Evening (18 Sep)13ft (4.0m)14s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun morning, min 5°C on Thu night). Winds increasing (light winds from the WNW on Thu night, fresh winds from the WNW by Sun afternoon).

Thu
17
Friday
18
Saturday
19
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)
4
4
5
5
4
8
4
4
8
7
7
3
4
3
2
3
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
14
3.5
SW
14
3
SW
14
3
SW
14
3
SW
14
3.5
SW
17
3.5
SW
16
3.5
SW
16
4
WSW
15
4
WSW
14
4.5
WSW
14
4
WSW
13
4
WSW
13
4
WSW
13
3.5
WSW
13
3
WSW
13
3
WSW
13
3
WSW
13
Wave Graph
Metric surfscale
Energy kJ
3783
4074
3781
3555
3246
6616
6315
5863
6629
6816
7430
5961
5576
4904
4075
3148
2714
2533
Wind (km/h)
15
WNW
10
WNW
10
NNW
15
NNW
15
NNW
25
NW
25
WNW
25
WNW
25
NW
30
NW
30
NW
30
WNW
20
WNW
25
WNW
25
W
20
W
10
WNW
10
NNW
Wind State
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
3:27AM0.48m
2:38PM0.42m
3:59AM0.45m
2:56PM0.41m
Low Tide
8:44PM0.02m
9:15AM0.20m
9:11PM0.04m
9:39AM0.23m
9:38PM0.06m
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:19
 mm
Temp °C
8
7
6
5
6
13
19
19
17
16
16
17
14
16
17
17
15
15
Feels °C
5
4
3
1
2
8
13
14
12
9
8
10
9
11
12
13
13
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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