J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

Issued: 1 am 29 Jun 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
18.1° C

1.3°C colder than average for this time of year

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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 15ft (4.5m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 13ft (4.0m), 14s period with SW swell.
  • Evening surf: Evening surf (29 Jun, local time) - 11ft (3.5m), 14s period with SW swell.

The current surf forecast for J-Bay at 4AM is: 5.0m 16s primary swell from a Southwest direction (forecast issued at 01:00am June 29). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (29 Jun)15ft (4.5m)16s
Afternoon (29 Jun)13ft (4.0m)14s
Evening (29 Jun)11ft (3.5m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed night. Very mild (max 17°C on Tue afternoon, min 10°C on Tue morning). Winds decreasing (fresh winds from the WSW on Mon afternoon, calm by Wed night).

Monday
29
Tuesday
30
Wednesday
1
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)
6
7
6
6
5
5
5
5
5
5
4
2
1
2
3
4
4
4
4
4
4
4
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)
5
SW
16
5
SW
16
4.5
SW
16
4.5
SW
15
4
SW
14
4
SW
14
3.5
SW
14
3.5
SW
14
3
SW
14
3
SW
14
3
SW
13
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.4
SW
13
2.4
SW
13
2.1
SW
12
2
SW
12
2.1
SW
12
1.9
SW
12
1.9
SW
12
1.8
SW
12
2
SSW
12
2
SSW
13
Wave Graph
Metric surfscale
Energy kJ
12122
11566
10546
9672
7176
6163
4748
4183
3949
3159
2740
2436
2283
2045
1912
1762
1249
1131
1223
1025
1047
857
1144
1317
Wind (km/h)
35
WSW
35
W
35
W
35
WSW
35
WSW
25
WSW
15
WNW
10
NW
10
NW
10
NNW
10
N
15
NE
15
ENE
15
E
10
NE
5
NW
10
WNW
10
WNW
15
WNW
10
W
15
SW
10
W
10
WNW
5
NW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-off
off
off
off
cross-off
cross-off
cross-off
off
off
High Tide
3:15AM1.44m
3:43PM1.40m
3:49AM1.47m
4:16PM1.44m
4:21AM1.49m
4:49PM1.48m
Low Tide
9:32AM0.26m
9:42PM0.34m
10:04AM0.21m
10:16PM0.31m
10:35AM0.18m
10:49PM0.30m
cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:21
 mm
1
1
Temp °C
14
13
13
14
14
13
12
11
11
11
10
14
16
17
15
15
13
12
12
15
15
15
15
14
Feels °C
8
7
6
7
6
7
9
8
8
9
8
11
12
14
13
13
10
10
9
13
12
14
14
14
Swell 1
Height (m)
Direction
Period (s)
0.4
ENE
8
4
SW
14
3.5
SW
14
3.5
SW
14
3
SW
14
3
SW
14
3
SW
13
2.5
SW
13
2.5
SW
13
2.5
SW
13
2.4
SW
13
2.4
SW
13
2.1
SW
12
2
SW
12
2.1
SW
12
1.9
SW
12
1.9
SW
12
1.8
SW
12
2
SSW
12
2
SSW
13
Energy kJ
22
6163
4748
4183
3949
3159
2740
2436
2283
2045
1912
1762
1249
1131
1223
1025
1047
857
1144
1317
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
ENE
8
0.3
E
8
0.3
E
9
0.3
E
9
0.7
S
8
0.7
S
9
0.6
E
6
0.7
SSW
15
0.9
SSW
15
1.3
SSW
14
1
SSW
15
1
SE
7
Energy kJ
15
14
14
14
13
14
12
13
14
64
73
22
231
392
697
417
88
Swell 3
Height (m)
Direction
Period (s)
0.3
E
9
0.6
E
5
0.6
E
5
0.3
E
9
0.6
S
7
0.5
E
6
0.7
E
9
0.7
E
8
0.8
E
8
Energy kJ
14
17
20
15
40
17
71
68
84
Wind waves
Height (m)
Direction
Period (s)
5
SW
16
5
SW
16
4.5
SW
16
4.5
SW
15
4
SW
14
0.4
ENE
8
0.4
ENE
3
0.6
E
4
0.9
E
8
0.4
WNW
3
Energy kJ
12122
11566
10546
9672
7176
28
4
14
113
3
Nearest Offshore or Glassy
Rating
(10 max)
4
3
5
5
4
4
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Distance (km)
143
427
278
143
142
142
0
0
0
0
0
52
256
31
19
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
9
5
5
9
7
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
9
6
6
7
7
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
  • 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 

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