J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 7 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
14.4° C
4.5° 

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 (14 Aug):

  • Afternoon surf: Afternoon surf (14 Aug, local time) - 5ft (1.5m), 16s period with SW swell.
  • Evening surf: Evening surf (14 Aug, local time) - 5ft (1.6m), 17s period with SW swell.

The current surf forecast for J-Bay at 12AM is: 1.6m 17s primary swell from a Southwest direction and 0.2m 9s secondary swell from a South direction, 2.3m 8s secondary swell from a East direction (forecast issued at 07:00pm August 13). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (14 Aug)--
Afternoon (14 Aug)5ft (1.5m)16s
Evening (14 Aug)5ft (1.6m)17s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sun morning, min 14°C on Fri night). Wind will be generally light.

Thu
13
Friday
14
Saturday
15
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)
0
0
3
3
4
4
3
3
3
4
2
3
2
3
3
1
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SW
17
1.7
SW
17
1.6
SW
17
1.6
SW
16
1.5
SW
16
1.5
SW
16
1.4
SW
15
1.4
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.2
SW
14
1.1
SW
13
1.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
1929
1737
1489
1225
1082
1055
930
894
831
757
676
676
676
492
465
465
532
458
406
Wind (km/h)
25
E
25
NE
15
NNE
10
N
15
N
15
N
15
N
15
NNW
10
NE
10
NW
25
W
15
W
20
WSW
10
WNW
0
ESE
15
SE
15
ESE
15
ENE
10
NNE
Wind State
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
off
cross-off
off
cross-off
off
glassy
cross-on
on
cross-on
cross
High Tide
4:20PM1.79m
4:32AM1.68m
4:55PM1.81m
5:06AM1.63m
5:28PM1.77m
Low Tide
10:32PM0.03m
10:40AM-0.04m
11:06PM0.05m
11:11AM-0.00m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
 mm
Temp °C
24
20
20
20
21
21
25
27
27
25
17
15
14
14
17
19
17
18
21
Feels °C
20
16
17
17
17
17
21
23
24
22
15
14
12
13
17
18
16
17
19
  • 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 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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