J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

Issued: 1 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
17.1° C

2.6°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 (20 Jun):

  • Morning surf: Morning surf (20 Jun, local time) - 6ft (1.9m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Jun, local time) - 4.5ft (1.4m), 12s period with SW swell.
  • Evening surf: Evening surf (20 Jun, local time) - 4ft (1.2m), 12s period with SW swell.

The current surf forecast for J-Bay at 9AM is: 1.9m 12s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a East direction, 1.1m 5s secondary swell from a East direction (forecast issued at 01:00am June 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (20 Jun)6ft (1.9m)12s
Afternoon (20 Jun)4.5ft (1.4m)12s
Evening (20 Jun)4ft (1.2m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 13°C on Sat morning). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
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)
1
2
4
4
2
2
2
3
3
2
3
3
3
4
4
3
4
4
4
4
3
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)
2.3
SSW
12
2.1
SSW
12
2
SSW
12
1.8
SSW
12
1.5
SW
12
1.3
SW
12
1.2
SW
12
1.2
SW
12
1.2
SW
12
1.1
SW
12
1
SW
12
0.9
SSW
15
1.3
SW
14
1.6
SW
14
1.8
SW
14
1.9
SW
14
1.9
SW
13
1.9
SW
13
1.9
SW
13
1.9
SW
13
1.5
SW
12
1.7
SW
13
1.6
SW
13
1.6
SW
13
Wave Graph
Metric surfscale
Energy kJ
1546
1299
1117
936
614
494
383
376
383
298
264
377
676
990
1152
1363
1285
1266
1266
1266
678
946
878
784
Wind (km/h)
20
NE
15
NE
10
N
10
N
10
NNE
10
NNE
5
N
10
NNW
15
NNW
10
NW
10
NNW
10
NW
5
WSW
5
E
5
ENE
5
N
10
N
10
NNW
10
N
10
N
15
NW
10
N
10
N
10
N
Wind State
cross-on
cross
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
off
cross-off
off
cross-off
glassy
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:22AM1.30m
8:03PM1.43m
8:17AM1.19m
9:00PM1.35m
9:22AM1.10m
10:05PM1.28m
Low Tide
1:26AM0.38m
1:32PM0.31m
2:23AM0.47m
2:23PM0.41m
3:27AM0.53m
3:22PM0.51m
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:17
5:17
 mm
Temp °C
13
12
13
18
23
23
21
21
20
20
20
23
25
22
21
22
21
20
20
23
25
24
23
21
Feels °C
10
9
10
16
21
22
20
18
17
18
18
22
25
23
21
22
20
19
19
21
22
23
21
19
Swell 1
Height (m)
Direction
Period (s)
2.3
SSW
12
2.1
SSW
12
2
SSW
12
1.8
SSW
12
1.5
SW
12
1.3
SW
12
1.2
SW
12
1.2
SW
12
1.2
SW
12
1.1
SW
12
1
SW
12
0.9
SSW
15
1.3
SW
14
1.6
SW
14
1.8
SW
14
1.9
SW
14
1.9
SW
13
1.9
SW
13
1.9
SW
13
1.9
SW
13
1.5
SW
12
1.7
SW
13
1.6
SW
13
1.6
SW
13
Energy kJ
1546
1299
1117
936
614
494
383
376
383
298
264
377
676
990
1152
1363
1285
1266
1266
1266
678
946
878
784
Swell 2
Height (m)
Direction
Period (s)
0.9
SW
15
0.1
E
10
1
E
6
0.9
SSE
9
0.8
SSE
9
0.8
E
6
0.9
E
7
1
E
7
1
E
7
0.9
E
8
1
SW
11
0.8
WSW
11
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.4
ENE
9
0.4
E
9
0.4
ENE
9
1.1
SSW
15
0.8
SSW
16
0.7
S
16
0.8
SSW
16
Energy kJ
314
2
64
144
115
51
73
102
107
93
233
140
44
30
34
37
25
24
25
530
337
254
333
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
18
0.9
E
6
0.8
E
6
0.9
SSE
9
0.7
SSE
9
0.7
SSE
9
0.6
SSE
9
0.7
SW
15
0.8
E
8
0.7
E
8
0.5
SSE
8
0.4
SSE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.4
E
8
0.4
E
8
0.4
E
8
0.1
SE
11
Energy kJ
12
59
50
119
84
84
62
220
80
63
40
27
18
18
17
10
10
23
21
20
4
Wind waves
Height (m)
Direction
Period (s)
1
ENE
4
1.3
ENE
5
1.1
E
5
0.7
ENE
8
0.4
ENE
4
0.7
ENE
8
0.5
ENE
7
0.5
E
7
Energy kJ
41
78
71
65
5
50
29
24
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
2
1
3
3
3
2
3
3
3
4
4
4
4
4
4
4
4
4
4
4
Distance (km)
140
140
0
0
6
6
2
0
0
0
0
0
0
0
0
19
0
0
0
0
19
0
0
0
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
4
4
3
3
3
3
3
2
3
3
3
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
8
9
9
9
8
8
6
8
8
7
6
8
6
6
5
5
5
  • 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
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