J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 7 am 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
15.1°C
4.0° 

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 (24 Sep):

  • Morning surf: Morning surf (24 Sep, local time) - 3.5ft (1.0m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (24 Sep, local time) - 4.5ft (1.4m), 15s period with SSW swell.
  • Evening surf: Evening surf (24 Sep, local time) - 6.5ft (2.0m), 14s period with SSW swell.

The current surf forecast for J-Bay at 12PM is: 0.8m 16s primary swell from a South-southwest direction and 1.4m 7s secondary swell from a South-southeast direction, 0.6m 8s secondary swell from a East direction (forecast issued at 07:00am September 24). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (24 Sep)3.5ft (1.0m)7s
Afternoon (24 Sep)4.5ft (1.4m)15s
Evening (24 Sep)6.5ft (2.0m)14s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Fri night. Warm (max 25°C on Fri afternoon, min 17°C on Sat night). Winds decreasing (fresh winds from the ESE on Thu afternoon, calm by Sat night).

Thursday
24
Friday
25
Saturday
26
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
0
0
0
0
1
2
3
4
4
2
2
2
3
3
2
3
3
1
1
4
4
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)
1.2
SSW
11
1
SSE
7
0.8
SSW
16
1.3
SSW
16
1.7
SSW
15
2
SSW
14
2
SSW
14
2.1
SSW
13
2
SSW
13
1.9
SSW
13
1.8
SW
13
1.7
SW
12
1.7
SSW
12
1.7
SSW
12
1.6
SW
12
1.7
SSW
12
1.7
SSW
12
1.4
SW
12
1.4
SW
12
1.9
SSW
14
2
SW
14
2.1
SW
14
2.2
SW
14
Wave Graph
Metric surfscale
Energy kJ
302
90
346
763
1254
1534
1447
1449
1289
1162
1028
864
782
769
683
769
864
568
578
1447
1626
1836
1922
Wind (km/h)
15
ESE
15
E
20
E
30
ESE
30
E
25
E
20
ENE
15
ENE
5
NNE
0
SW
15
SSW
20
SW
20
WSW
20
WSW
5
SSW
5
ESE
5
E
5
ENE
10
ENE
15
E
15
E
5
E
15
WSW
Wind State
on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
cross-on
on
on
glassy
cross-off
High Tide
2:35PM1.58m
2:45AM1.54m
3:01PM1.70m
3:14AM1.62m
3:29PM1.79m
Low Tide
8:22AM0.21m
8:44PM0.19m
8:48AM0.11m
9:12PM0.08m
9:16AM0.03m
9:40PM-0.00m
cloud
part cloud
clear
part cloud
cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:19
 mm
2
1
1
2
1
2
Temp °C
18
18
21
22
21
18
18
19
20
20
23
25
20
19
19
19
19
19
19
19
19
18
18
Feels °C
18
18
21
19
19
16
18
20
22
22
23
24
19
18
21
21
21
21
20
18
18
20
18
  • 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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