J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 1 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
17.5° C
1.6° 

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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 4.5ft (1.3m), 11s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 5ft (1.6m), 8s period with E swell.
  • Evening surf: Evening surf (13 Jul, local time) - 5.5ft (1.7m), 8s period with E swell.

The current surf forecast for J-Bay at 6PM is: 1.7m 8s primary swell from a East direction and 1.0m 10s secondary swell from a South-southwest direction, 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 01:00pm July 13). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (13 Jul)4.5ft (1.3m)11s
Afternoon (13 Jul)5ft (1.6m)8s
Evening (13 Jul)5.5ft (1.7m)8s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 14°C on Tue night). Wind will be generally light.

Mon
13
Tuesday
14
Wednesday
15
Thu
16
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
2 AM
5 AM
8 AM
Rating
(10 max)
1
1
0
1
3
2
2
3
3
2
1
2
2
2
2
2
1
1
2
4
4
4
4
5
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
10
1.1
SSW
10
1.6
E
8
1.7
E
8
1.7
E
8
1.3
E
8
1.6
ESE
8
1.6
ESE
9
1.6
ESE
9
1.5
E
9
1.4
ESE
9
1.4
E
9
1.4
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.2
E
10
1.1
E
10
1
SW
12
2.3
SW
11
2.3
SW
11
1.6
SW
15
2.1
SW
15
3
SW
14
Wave Graph
Metric surfscale
Energy kJ
296
281
300
393
377
224
376
422
432
372
318
318
332
334
295
295
260
219
273
1215
1149
1135
1889
3555
Wind (km/h)
10
NE
15
E
20
ESE
10
ENE
10
N
10
NNW
10
WNW
10
WNW
10
WSW
15
SSW
20
SW
15
WNW
15
WNW
10
WNW
10
WNW
15
NW
15
WSW
20
WSW
20
WSW
15
W
10
WNW
10
NW
5
NNW
10
N
Wind State
cross-on
on
on
cross-on
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
High Tide
3:09PM1.52m
3:25AM1.64m
3:55PM1.63m
4:10AM1.67m
4:39PM1.70m
4:52AM1.65m
Low Tide
8:58AM0.14m
9:15PM0.18m
9:43AM0.05m
10:03PM0.12m
10:25AM0.01m
10:48PM0.10m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:27
5:28
5:28
5:29
 mm
Temp °C
16
20
19
17
17
17
16
16
18
20
17
15
15
15
14
14
17
19
17
16
15
15
15
15
Feels °C
15
18
16
16
15
15
14
14
16
18
15
14
13
13
12
12
14
15
14
15
13
14
14
13
  • 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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