J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

Issued: 7 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
16.9° C

2.8°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 (21 Jun):

  • Afternoon surf: Afternoon surf (21 Jun, local time) - 4.5ft (1.4m), 12s period with SW swell.
  • Evening surf: Evening surf (21 Jun, local time) - 4ft (1.2m), 12s period with SW swell.

The current surf forecast for J-Bay at 12AM is: 1.2m 12s primary swell from a Southwest direction and 0.9m 7s secondary swell from a East direction (forecast issued at 07:00pm June 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (21 Jun)--
Afternoon (21 Jun)4.5ft (1.4m)12s
Evening (21 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 18°C on Tue afternoon). Wind will be generally light.

Sat
20
Sunday
21
Monday
22
Tue
23
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
11 AM
2 PM
Rating
(10 max)
2
3
3
3
2
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
2
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)
1.3
SW
12
1.2
SW
12
1.2
SW
11
1.2
SW
12
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
2
SW
13
1.9
SW
13
1.5
SW
12
1.9
SW
13
1.8
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
494
383
369
383
264
264
377
676
990
1152
1363
1285
1266
1360
1266
678
1247
1037
838
838
786
773
683
561
Wind (km/h)
10
NE
10
N
15
NNW
15
NNW
15
NNW
15
NW
10
NNW
10
NW
5
NE
5
NNW
5
NNW
10
NNW
15
NNW
15
NNW
10
N
15
NNW
10
NNW
15
N
10
N
15
NNW
15
NNW
15
NNW
15
W
25
SW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:03PM1.43m
8:17AM1.19m
9:00PM1.35m
9:22AM1.10m
10:05PM1.28m
10:40AM1.06m
Low Tide
2:23AM0.47m
2:23PM0.41m
3:27AM0.53m
3:22PM0.51m
4:39AM0.56m
clear
clear
part cloud
part cloud
cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
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
5:17
 mm
Temp °C
22
20
20
21
21
20
23
25
25
23
22
21
20
20
22
25
24
22
21
20
19
19
21
21
Feels °C
20
18
17
18
18
18
22
24
25
23
21
19
18
18
20
23
23
20
19
18
16
16
19
18
Swell 1
Height (m)
Direction
Period (s)
1.3
SW
12
1.2
SW
12
1.2
SW
11
1.2
SW
12
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
2
SW
13
1.9
SW
13
1.5
SW
12
1.9
SW
13
1.8
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.4
SW
12
Energy kJ
494
383
369
383
264
264
377
676
990
1152
1363
1285
1266
1360
1266
678
1247
1037
838
838
786
773
683
546
Swell 2
Height (m)
Direction
Period (s)
0.8
SSE
9
0.8
SSE
9
0.8
E
6
0.9
E
7
0.9
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
0.5
E
8
0.4
ENE
9
0.4
ENE
9
1.1
SSW
15
0.3
ENE
9
0.7
S
16
0.8
SSW
16
0.7
S
16
0.8
SSW
16
0.9
SSW
16
1.1
SSW
16
1.2
SSW
14
Energy kJ
115
110
51
76
85
95
233
140
45
33
35
36
37
25
30
530
15
254
333
251
337
353
554
561
Swell 3
Height (m)
Direction
Period (s)
0.8
E
6
0.8
E
6
0.8
SSE
9
0.7
SSE
9
0.7
SSE
9
0.7
SW
15
0.8
E
8
0.7
E
8
0.5
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.4
ENE
9
0.1
SE
8
0.3
ENE
9
0.1
SE
11
0.4
ENE
7
0.4
E
4
0.5
ENE
5
0.4
E
5
0.3
E
6
Energy kJ
48
51
92
84
82
220
80
63
40
27
27
18
17
10
10
25
2
15
4
19
6
13
8
6
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
7
0.6
ENE
4
0.4
NNW
3
0.4
NW
3
0.4
WNW
3
0.7
WSW
4
Energy kJ
20
10
2
3
3
12
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
2
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
Distance (km)
19
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
3
3
3
3
2
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
Header Global
Rating
(10 max)
5
5
5
9
9
9
8
8
7
7
7
6
6
6
7
7
5
5
5
5
5
6
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
How to use the Wavefinder 

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