J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 1 am 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
18.0° C
1.1° 

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 (19 Jul):

  • Morning surf: Morning surf (19 Jul, local time) - 5ft (1.6m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (19 Jul, local time) - 6.5ft (2.0m), 9s period with SW swell.
  • Evening surf: Evening surf (19 Jul, local time) - 10ft (3.0m), 9s period with SW swell.

The current surf forecast for J-Bay at 5AM is: 1.8m 9s primary swell from a Southwest direction and 1.0m 11s secondary swell from a South direction (forecast issued at 01:00am July 19). The wind direction is predicted to be offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (19 Jul)5ft (1.6m)9s
Afternoon (19 Jul)6.5ft (2.0m)9s
Evening (19 Jul)10ft (3.0m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 13°C on Sun night). Winds decreasing (fresh winds from the W on Sun night, calm by Tue morning).

Sunday
19
Monday
20
Tuesday
21
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)
4
3
3
3
3
2
1
2
3
4
4
4
4
4
4
4
4
3
4
4
3
2
2
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)
1.9
SW
9
1.8
SW
9
1.7
SW
9
1.6
SW
9
1.9
SW
9
1.7
SW
9
3
SW
9
3.5
WSW
9
3.5
WSW
9
3
WSW
9
2.5
WSW
9
2.1
WSW
10
1.9
WSW
11
1.8
SW
10
1.9
SW
11
1.7
SW
10
1.5
SW
10
1
SSW
16
1.1
SSW
16
1.8
SW
15
2.1
SSW
14
2.5
SSW
14
2.5
SSW
14
2.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
606
540
450
362
514
440
1192
1742
1860
1479
1131
868
784
650
804
580
433
493
546
1396
1835
2412
2576
2496
Wind (km/h)
10
WNW
10
WNW
10
NW
10
WSW
10
SSW
30
SW
35
W
35
W
30
W
25
WNW
15
NW
15
W
10
SW
15
SSW
10
W
10
NW
10
NW
10
NNW
5
NNW
5
NE
10
SE
10
ESE
10
ENE
10
NNE
Wind State
off
off
off
cross-off
cross
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
glassy
on
on
cross-on
cross
High Tide
6:48AM1.39m
7:17PM1.51m
7:26AM1.26m
7:58PM1.38m
8:10AM1.14m
8:45PM1.26m
Low Tide
00:52AM0.28m
12:52PM0.23m
1:32AM0.39m
1:29PM0.36m
2:16AM0.49m
2:10PM0.49m
part cloud
part cloud
part cloud
part cloud
clear
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:20
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:31
5:31
 mm
Temp °C
15
14
14
16
19
16
16
15
15
13
13
16
19
16
14
14
13
13
13
15
16
15
15
14
Feels °C
13
12
12
15
18
12
10
9
9
9
10
13
16
13
13
12
11
11
11
14
14
13
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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