Johanna Surf Break

Lat Long: 38.78° S 143.42° E

Johanna 48 hour detailed Surf Forecast

Issued: 9 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Johanna sea temperature is
14.0° C
0.7° 

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 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 8ft (2.5m), 15s period with WSW swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 8ft (2.5m), 16s period with SW swell.
  • Evening surf: Evening surf (17 Aug, local time) - 8ft (2.5m), 15s period with WSW swell.

The current surf forecast for Johanna at 1AM is: 2.3m 14s primary swell from a West-southwest direction and 1.0m 12s secondary swell from a South direction (forecast issued at 09:00pm August 16). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (AEST) & DateWave HeightWave Period
Morning (17 Aug)8ft (2.5m)15s
Afternoon (17 Aug)8ft (2.5m)16s
Evening (17 Aug)8ft (2.5m)15s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 18°C on Tue morning, min 11°C on Sun night). Winds increasing (light winds from the NE on Sun night, fresh winds from the N by Wed morning).

Sun
16
Monday
17
Tuesday
18
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
4
4
4
5
5
4
4
5
5
4
4
4
4
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
WSW
14
2.4
WSW
14
2.3
WSW
14
2.3
WSW
14
2.3
WSW
14
2.5
WSW
16
2.5
WSW
16
2.5
SW
16
2.5
WSW
16
2.5
WSW
15
2.5
SW
15
2.4
WSW
15
2.1
WSW
14
2.1
WSW
14
2.1
WSW
14
1.9
WSW
14
1.8
SW
16
1.7
WSW
16
Wave Graph
Metric surfscale
Energy kJ
2378
2187
2091
2031
2031
2911
3456
3515
3691
3326
3004
2378
1809
1809
1759
1349
1551
1305
Wind (km/h)
10
E
10
ENE
10
ENE
10
NE
10
ENE
10
ENE
15
E
15
E
15
ENE
15
ENE
10
NE
15
ENE
15
NE
15
NE
15
NNE
10
NNE
10
NE
15
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
off
High Tide
2:02AM0.46m
2:07PM0.48m
2:44AM0.47m
2:31PM0.47m
Low Tide
7:56PM0.09m
8:02AM0.11m
8:26PM0.05m
8:38AM0.13m
8:56PM0.03m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
 mm
Temp °C
11
11
11
11
11
13
17
16
13
12
13
12
13
15
18
18
15
14
Feels °C
9
9
9
9
9
10
14
12
10
9
10
8
10
11
14
15
12
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.


Nearest locationNearest