J-Bay Surf Break
Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Weather Forecast for J-Bay

Issued: 1 am 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
17.7° C

2.4°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 (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 6ft (1.8m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 5.5ft (1.7m), 12s period with SW swell.
  • Evening surf: Evening surf (09 Jun, local time) - 5ft (1.6m), 12s period with SW swell.

The current surf forecast for J-Bay at 6AM is: 2.0m 13s primary swell from a Southwest direction and 0.9m 10s secondary swell from a East direction (forecast issued at 01:00am June 09). The wind direction is predicted to be offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (09 Jun)6ft (1.8m)13s
Afternoon (09 Jun)5.5ft (1.7m)12s
Evening (09 Jun)5ft (1.6m)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 21°C on Wed afternoon, min 14°C on Tue night). Winds increasing (calm on Wed afternoon, strong winds from the WSW by Thu night).

Tuesday
9
Wednesday
10
Thursday
11
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)
4
4
4
4
3
3
3
2
2
3
4
4
4
3
4
4
4
3
3
3
2
3
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)
2.1
SW
13
2
SW
13
2
SW
13
1.8
SW
12
1.7
SW
12
1.7
SW
12
1.6
SW
12
1.6
SW
12
1.7
SW
12
1.8
SW
12
1.9
SW
12
2.1
SW
12
2.1
SW
12
2.2
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.2
SW
12
2.2
SW
12
Wave Graph
Metric surfscale
Energy kJ
1521
1306
1246
992
833
819
748
736
800
869
1013
1255
1255
1336
1229
1208
1111
1092
1092
1111
1234
1180
1324
1302
Wind (km/h)
15
WNW
10
WNW
10
WNW
10
WSW
10
SSW
5
SSW
5
N
5
N
10
N
10
N
10
N
10
NNW
5
E
10
E
5
N
10
NNW
15
NNW
15
NNW
20
NNW
20
NNW
25
WSW
20
WSW
10
WNW
5
N
Wind State
off
off
off
cross-off
cross-off
cross-off
glassy
cross
cross
cross-off
cross-off
cross-off
glassy
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
10:06AM1.13m
10:48PM1.35m
11:26AM1.16m
11:54PM1.43m
12:34PM1.25m
Low Tide
4:06AM0.53m
4:09PM0.48m
5:20AM0.45m
5:21PM0.45m
6:25AM0.35m
6:27PM0.38m
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:16
5:16
5:16
 mm
Temp °C
15
15
15
17
18
17
16
15
15
14
14
18
21
19
18
18
19
18
18
21
19
17
15
15
Feels °C
13
13
13
16
17
17
17
15
14
13
12
17
21
18
18
16
16
14
13
17
15
15
14
14
Swell 1
Height (m)
Direction
Period (s)
2.1
SW
13
2
SW
13
2
SW
13
1.8
SW
12
1.7
SW
12
1.7
SW
12
1.6
SW
12
1.6
SW
12
1.7
SW
12
1.8
SW
12
1.9
SW
12
2.1
SW
12
2.1
SW
12
2.2
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.1
SW
12
2.2
SW
12
2.2
SW
12
Energy kJ
1521
1306
1246
992
833
819
748
736
800
869
1013
1255
1255
1336
1229
1208
1111
1092
1092
1111
1234
1180
1324
1302
Swell 2
Height (m)
Direction
Period (s)
1
E
10
0.9
E
10
0.9
E
10
0.9
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.6
E
8
Energy kJ
202
161
161
161
127
123
123
121
90
90
89
62
60
60
58
58
85
85
78
99
74
74
54
52
Swell 3
Height (m)
Direction
Period (s)
0.8
SW
5
0.3
ENE
5
0.5
E
6
Energy kJ
34
5
16
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
5
0.5
N
3
0.5
NW
3
0.7
W
4
0.9
WSW
5
Energy kJ
8
4
5
13
42
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
3
3
3
3
1
3
4
4
4
4
4
4
4
4
3
1
3
3
4
4
Distance (km)
0
0
0
0
0
0
0
2
6
0
0
0
0
19
0
0
0
31
19
6
3
3
0
0
Best forecast wave conditions in Eastern Cape (South)
Rating
(10 max)
4
4
4
4
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
3
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
3
4
4
4
Header Global
Rating
(10 max)
9
9
8
7
6
5
5
5
5
5
4
7
8
8
9
9
9
7
6
8
6
6
5
6
  • 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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