J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

Issued: 7 am 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
18.2° C

1.2°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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 10ft (3.0m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Jun, local time) - 8ft (2.5m), 13s period with SW swell.
  • Evening surf: Evening surf (30 Jun, local time) - 7.5ft (2.3m), 13s period with SW swell.

The current surf forecast for J-Bay at 3PM is: 2.5m 13s primary swell from a Southwest direction and 0.3m 8s secondary swell from a East direction (forecast issued at 07:00am June 30). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (30 Jun)10ft (3.0m)13s
Afternoon (30 Jun)8ft (2.5m)13s
Evening (30 Jun)7.5ft (2.3m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed night. Very mild (max 17°C on Tue afternoon, min 11°C on Tue morning). Winds increasing (light winds from the NE on Tue night, strong winds from the W by Thu afternoon).

Tuesday
30
Wednesday
1
Thursday
2
Fri
3
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
2 AM
Rating
(10 max)
5
4
3
3
3
3
4
4
4
4
4
3
4
4
4
3
1
1
0
0
0
0
2
4
Swell
Height Map
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)
3
SW
14
3
SW
13
3
SW
13
2.5
SW
13
2.5
SW
13
2.4
SW
13
2.3
SW
13
2.2
SW
12
2.1
SW
12
2.1
SW
12
2
SW
12
2
SSW
12
1.9
SSW
11
2.1
SSW
12
2
SSW
13
1.9
SW
13
2.5
SW
13
3.5
WSW
8
4.5
WSW
8
4.5
WSW
9
5
WSW
10
5
SW
10
4.5
SW
10
4
SW
10
Wave Graph
Metric surfscale
Energy kJ
3466
2887
2574
2283
2045
1912
1736
1439
1315
1200
1111
1138
907
1256
1317
1249
2362
1497
2666
3572
4823
4476
3714
2636
Wind (km/h)
5
NNW
10
N
10
NE
10
ENE
10
ESE
5
NE
5
NW
10
WNW
10
W
15
WNW
15
W
15
SSW
15
WSW
10
W
20
W
20
WSW
40
W
40
W
50
W
50
W
45
W
50
WSW
40
W
30
WNW
Wind State
cross-off
cross-off
cross
cross-on
on
cross-on
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
4:16PM1.44m
4:21AM1.49m
4:49PM1.48m
4:52AM1.49m
5:21PM1.49m
Low Tide
10:04AM0.21m
10:16PM0.31m
10:35AM0.18m
10:49PM0.30m
11:06AM0.17m
11:23PM0.31m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
rain showers
rain showers
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:21
5:21
5:22
5:22
 mm
3
2
6
1
1
1
Temp °C
11
11
14
17
17
15
14
13
13
12
15
16
14
14
13
14
13
13
14
14
14
14
14
13
Feels °C
9
9
12
15
15
14
12
11
11
9
12
13
11
12
10
11
6
5
5
4
5
5
6
7
Swell 1
Height (m)
Direction
Period (s)
3
SW
14
3
SW
13
3
SW
13
2.5
SW
13
2.5
SW
13
2.4
SW
13
2.3
SW
13
2.2
SW
12
2.1
SW
12
2.1
SW
12
2
SW
12
2
SSW
12
1.9
SSW
11
2.1
SSW
12
2
SSW
13
1.9
SW
13
0.8
E
8
0.7
E
8
0.5
E
9
0.5
SE
10
0.7
ESE
10
0.7
SE
11
1.3
SE
11
2
SE
10
Energy kJ
3466
2887
2574
2283
2045
1912
1736
1439
1315
1200
1111
1138
907
1256
1317
1249
89
69
39
48
85
115
437
836
Swell 2
Height (m)
Direction
Period (s)
0.2
E
9
0.3
E
9
0.3
E
9
0.3
E
8
0.3
E
8
0.3
E
9
0.5
E
4
0.5
E
5
0.6
E
6
0.6
S
7
0.7
SSW
15
0.9
SSW
15
1.4
SSW
14
0.9
SSE
7
0.9
S
7
0.9
E
8
0.7
SE
7
0.6
SE
7
0.4
SE
7
0.4
E
9
1.2
S
8
0.1
S
20
Energy kJ
6
14
13
13
13
13
10
12
22
40
231
392
800
91
83
112
51
43
18
26
200
8
Swell 3
Height (m)
Direction
Period (s)
0.4
ENE
8
0.3
E
9
0.3
E
9
0.3
E
9
0.5
E
6
0.5
E
6
0.7
E
9
0.8
E
8
0.9
E
8
0.9
E
8
0.8
SSE
7
0.1
SE
10
0.4
SE
10
Energy kJ
22
14
14
15
18
20
74
86
109
112
54
4
26
Wind waves
Height (m)
Direction
Period (s)
0.5
ENE
8
0.5
E
4
0.7
WSW
4
2.5
SW
13
3.5
WSW
8
4.5
WSW
8
4.5
WSW
9
5
WSW
10
5
SW
10
4.5
SW
10
4
SW
10
Energy kJ
38
8
13
2362
1497
2666
3572
4823
4476
3714
2636
Nearest Offshore or Glassy
Rating
(10 max)
5
4
4
4
4
4
4
4
4
4
4
3
4
4
4
3
3
3
4
4
3
4
4
5
Distance (km)
0
0
19
19
19
19
0
0
0
0
0
3
0
0
0
3
257
257
531
537
537
256
143
141
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
5
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)
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
7
9
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
8
5
7
6
6
5
7
9
  • 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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