J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

Issued: 7 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

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

1.6°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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 8ft (2.4m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 8ft (2.5m), 15s period with SW swell.
  • Evening surf: Evening surf (18 Jun, local time) - 8ft (2.5m), 14s period with SW swell.

The current surf forecast for J-Bay at 12AM is: 2.5m 14s primary swell from a South-southwest direction and 0.2m 7s secondary swell from a East direction, 0.4m 6s secondary swell from a East-southeast direction (forecast issued at 07:00pm June 17). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Jun)8ft (2.4m)13s
Afternoon (18 Jun)8ft (2.5m)15s
Evening (18 Jun)8ft (2.5m)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 2mm), mostly falling on Thu night. Warm (max 22°C on Sat afternoon, min 12°C on Sat morning). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
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)
1
2
3
4
5
5
5
4
3
4
4
4
4
3
3
1
0
1
1
1
1
3
2
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)
2.1
SSW
13
2.4
SSW
14
2.5
SSW
14
2.5
SSW
14
2.5
SSW
14
2.5
SSW
13
1.8
SSW
16
2.5
SSW
16
2.5
SW
14
2.5
SW
14
2.5
SW
14
2.5
SW
14
2.5
SW
13
2.5
SW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
12
2.5
SSW
12
2.1
SSW
12
2.1
SSW
12
1.7
SW
12
1.6
SW
12
1.4
SW
12
Wave Graph
Metric surfscale
Energy kJ
1493
2068
2227
2441
2531
2053
1586
3552
2708
2795
2594
2267
2275
2111
2219
2098
2049
2171
2068
1280
1345
833
683
555
Wind (km/h)
15
ESE
15
NE
5
NNE
5
WNW
10
WNW
10
WNW
15
WSW
20
SW
20
WSW
15
W
15
WNW
10
W
10
SW
5
E
10
ESE
15
ESE
20
E
20
ENE
20
NE
20
NE
15
NE
15
NNE
10
NNE
10
NNE
Wind State
on
cross-on
cross
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
High Tide
5:33PM1.61m
5:47AM1.54m
6:21PM1.57m
6:34AM1.43m
7:11PM1.51m
7:22AM1.30m
Low Tide
11:43PM0.20m
12:01PM0.13m
00:33AM0.28m
12:46PM0.21m
1:26AM0.38m
1:32PM0.31m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
part cloud
light rain
rain showers
part cloud
part cloud
clear
clear
clear
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>
5:16
5:16
5:17
5:17
 mm
1
1
Temp °C
17
16
15
15
14
14
17
18
16
15
15
15
15
16
17
17
16
15
14
13
13
12
16
21
Feels °C
15
15
15
14
13
13
16
16
14
13
13
14
15
16
16
14
13
12
11
10
10
9
14
20
Swell 1
Height (m)
Direction
Period (s)
2.1
SSW
13
2.4
SSW
14
2.5
SSW
14
2.5
SSW
14
2.5
SSW
14
2.5
SSW
13
2.2
SW
13
2.5
SSW
16
2.5
SW
14
2.5
SW
14
2.5
SW
14
2.5
SW
14
2.5
SW
13
2.5
SW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
12
2.5
SSW
12
2.1
SSW
12
2.1
SSW
12
1.7
SW
12
1.6
SW
12
1.4
SW
12
Energy kJ
1493
2068
2227
2441
2531
2053
1535
3552
2708
2795
2594
2267
2275
2111
2219
2098
2049
2171
2068
1280
1345
833
683
555
Swell 2
Height (m)
Direction
Period (s)
0.2
E
7
0.2
E
7
0.2
E
7
0.4
ESE
6
0.9
SSW
18
1.5
SSW
16
1.8
SSW
16
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.1
E
9
0.1
E
9
0.7
SSW
17
0.8
SSW
16
0.1
E
9
1
SW
14
0.9
SSE
10
1
S
10
1
S
10
1
S
9
Energy kJ
4
4
4
14
559
1209
1586
8
8
8
8
7
7
2
2
255
298
2
384
163
196
184
180
Swell 3
Height (m)
Direction
Period (s)
0.3
ENE
7
0.4
ESE
6
0.4
ESE
6
0.3
E
7
0.1
E
9
0.5
SW
12
0.1
E
10
0.1
SW
18
Energy kJ
11
13
14
8
2
72
2
12
Wind waves
Height (m)
Direction
Period (s)
0.6
ESE
7
0.5
ESE
6
0.4
ESE
6
0.7
SW
4
0.9
ENE
4
0.9
ENE
4
1.2
ENE
5
1
ENE
5
0.9
E
5
0.9
E
6
Energy kJ
30
22
15
13
21
29
57
53
45
52
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
5
5
5
4
4
4
4
4
4
4
3
4
4
4
4
4
4
4
3
3
Distance (km)
31
31
2
0
0
0
0
3
3
0
0
0
0
2
68
325
197
31
140
140
140
31
31
31
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
4
4
5
5
5
9
9
9
5
5
5
5
6
6
6
5
9
5
4
5
4
4
4
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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