J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 1 am 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
17.8° C
1.4° 

J-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 J-Bay today (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 10ft (3.0m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 8ft (2.5m), 12s period with SSW swell.
  • Evening surf: Evening surf (11 Jul, local time) - 8ft (2.4m), 12s period with SSW swell.

The current surf forecast for J-Bay at 6AM is: 3.0m 13s primary swell from a South-southwest direction and 0.2m 9s secondary swell from a East direction (forecast issued at 01:00am July 11). The wind direction is predicted to be glassy and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (11 Jul)10ft (3.0m)13s
Afternoon (11 Jul)8ft (2.5m)12s
Evening (11 Jul)8ft (2.4m)12s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light.

Saturday
11
Sunday
12
Monday
13
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
4
4
4
4
3
2
3
3
3
3
3
3
1
0
0
0
1
0
3
2
2
2
2
2
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)
3
SSW
13
3
SSW
13
3
SSW
13
3
SSW
12
3
SSW
12
2.5
SSW
12
2.4
SSW
12
2.4
SSW
12
2.4
SSW
12
2.3
SSW
12
2
SSW
12
1.7
SSW
12
1.7
SSW
11
1.5
SSW
11
1.4
SSW
11
1.4
SSW
11
2.1
E
8
1.9
E
8
2
E
8
1.9
E
8
1.5
E
8
1.4
E
8
1.4
ESE
8
1.4
ESE
8
Wave Graph
Metric surfscale
Energy kJ
2646
2581
2581
2540
2340
1949
1702
1632
1569
1390
1041
805
674
560
452
452
496
430
442
403
276
265
245
251
Wind (km/h)
0
NNW
0
N
5
NNE
5
NE
10
ESE
10
E
10
NE
5
ENE
10
ENE
10
ENE
10
NE
10
ENE
15
ESE
20
E
25
ENE
20
ENE
15
NE
15
NE
10
NNE
5
NE
5
SSE
10
SE
5
NE
5
NNW
Wind State
glassy
glassy
glassy
glassy
on
on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
glassy
cross-off
High Tide
00:31AM1.39m
1:19PM1.26m
1:39AM1.48m
2:19PM1.39m
2:36AM1.57m
3:09PM1.52m
Low Tide
7:06AM0.36m
7:17PM0.40m
8:07AM0.24m
8:21PM0.28m
8:58AM0.14m
9:15PM0.18m
cloud
rain showers
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
rain showers
rain showers
rain showers
clear
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:27
5:27
 mm
1
1
1
1
Temp °C
14
14
15
16
17
17
16
15
15
14
14
15
17
16
16
15
14
14
14
16
17
17
16
15
Feels °C
14
14
15
15
15
15
14
13
13
12
13
14
15
13
12
12
13
12
13
16
16
16
16
14
  • 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 

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our J-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.


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