J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 1 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
13.5°C
5.5° 

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 (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 3.5ft (1.1m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
  • Evening surf: Evening surf (22 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.

The current surf forecast for J-Bay at 8AM is: 1.1m 11s primary swell from a Southwest direction and 0.7m 14s secondary swell from a Southwest direction, 1.3m 5s secondary swell from a East direction (forecast issued at 01:00am September 22). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (22 Sep)3.5ft (1.1m)11s
Afternoon (22 Sep)3ft (0.9m)13s
Evening (22 Sep)6.5ft (2.0m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 29°C on Tue afternoon, min 18°C on Tue morning). Mainly fresh winds.

Tuesday
22
Wednesday
23
Thursday
24
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)
0
0
1
1
1
0
2
3
3
3
3
2
1
1
2
2
3
1
0
0
0
0
0
0
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)
1.3
SW
12
1.2
SW
12
1.1
SW
11
0.9
SW
11
0.9
SW
13
1.1
SW
13
2
E
8
1.8
E
8
1.7
E
8
1.1
SW
12
1.1
SW
12
1.1
SW
11
1.1
SW
11
1
SW
11
0.9
SW
11
0.9
SW
11
1.1
SW
11
0.8
SW
11
1.9
SE
8
0.8
SSW
16
1.3
SSW
16
1.6
SSW
15
2
SSW
14
2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
448
376
278
217
286
369
454
398
377
343
305
273
263
224
194
191
270
134
382
346
763
1106
1534
1447
Wind (km/h)
15
ENE
15
NE
15
NE
15
ENE
15
E
20
ESE
10
NNE
20
W
5
WNW
10
NW
5
NW
15
SSW
35
WSW
25
WSW
10
W
5
W
5
SSW
10
ESE
20
E
20
E
25
E
25
E
25
E
25
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
cross
off
glassy
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
on
on
on
on
on
cross-on
cross-on
High Tide
1:16AM1.16m
1:43PM1.27m
1:48AM1.30m
2:09PM1.43m
2:17AM1.43m
2:35PM1.58m
Low Tide
7:28AM0.48m
7:49PM0.47m
7:55AM0.34m
8:16PM0.32m
8:22AM0.21m
8:44PM0.19m
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:16
 mm
1
1
Temp °C
17
16
18
25
29
27
25
24
22
23
23
23
21
19
18
18
18
18
18
18
20
20
18
18
Feels °C
16
15
17
25
29
27
25
23
23
23
24
22
17
17
18
19
19
20
17
17
18
18
16
17
  • 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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