J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 7 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
16.5°C
2.3° 

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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 4ft (1.2m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 5ft (1.6m), 10s period with SSW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 5ft (1.5m), 10s period with SSW swell.

The current surf forecast for J-Bay at 2PM is: 1.6m 11s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a West-southwest direction, 1.3m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am September 05). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (05 Sep)4ft (1.2m)10s
Afternoon (05 Sep)5ft (1.6m)10s
Evening (05 Sep)5ft (1.5m)10s

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


Short Range Forecast

Some drizzle, heaviest during Sat night. Warm (max 25°C on Mon afternoon, min 14°C on Sat morning). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
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)
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
3
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)
1.7
ESE
8
1.1
S
9
1.6
SSW
11
1.6
SSW
11
1.6
SSW
10
1.5
SSW
10
1.5
SSW
10
1.5
SSW
10
1.1
SSW
24
1.6
SSW
22
2.2
SSW
20
3
SSW
19
3.5
SSW
18
3.5
SSW
17
3.5
SSW
16
3
SSW
16
3
SSW
16
2.5
SSW
15
2.5
SSW
14
2.4
SSW
14
2.2
SSW
14
2
SSW
14
1.9
SSW
13
Wave Graph
Metric surfscale
Energy kJ
302
220
541
551
520
451
451
442
1256
2410
3786
5727
7256
7297
5686
4542
3754
2825
2515
2265
1733
1447
1206
Wind (km/h)
15
ENE
5
NNE
25
ESE
25
ESE
25
E
30
ESE
25
ESE
20
E
25
ESE
25
E
30
E
30
E
30
E
30
E
30
ENE
30
ENE
30
ENE
30
ENE
20
ENE
20
ENE
25
E
15
ENE
5
N
Wind State
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
9:45AM1.02m
10:56PM1.12m
12:16PM1.11m
00:45AM1.23m
1:25PM1.30m
Low Tide
3:16AM0.61m
4:00PM0.66m
5:47AM0.59m
6:28PM0.58m
7:10AM0.43m
7:38PM0.40m
clear
clear
cloud
part cloud
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:05
6:05
 mm
1
Temp °C
14
14
16
16
17
16
16
16
16
16
17
17
17
17
17
16
16
16
20
25
23
20
22
Feels °C
11
13
12
12
14
12
12
13
12
12
12
12
12
12
12
11
11
12
17
23
20
19
22
  • 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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