I and Js Surf Break

I and Js 48 hour detailed Surf Forecast

Lat Long: 34.16° S 18.33° E

Issued: 1 pm 19 Jun 2026 (local time)

Forecast update in  hr  min

Today's I and Js sea temperature is
15.4° C

Slightly cooler than normal

I and Js surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at I and Js today (19 Jun):

  • Morning surf: Morning surf (19 Jun, local time) - 5ft (1.6m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (19 Jun, local time) - 4ft (1.2m), 12s period with SW swell.
  • Evening surf: Evening surf (19 Jun, local time) - 4.5ft (1.4m), 13s period with SW swell.

The current surf forecast for I and Js at 7PM is: 1.4m 13s primary swell from a Southwest direction and 1.0m 12s secondary swell from a West-southwest direction (forecast issued at 01:00pm June 19). An open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (19 Jun)5ft (1.6m)13s
Afternoon (19 Jun)4ft (1.2m)12s
Evening (19 Jun)4.5ft (1.4m)13s

Table - waves today at I and Js. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Sun night. Warm (max 23°C on Sat morning, min 17°C on Fri afternoon). Wind will be generally light.

Fri
19
Saturday
20
Sunday
21
Mon
22
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
5 AM
8 AM
Rating
(10 max)
2
4
4
3
3
3
3
3
3
3
3
2
2
3
4
4
4
4
4
3
4
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)
1.4
WSW
12
1.2
SW
12
1.3
SSW
12
1.4
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.5
SW
12
1.6
SW
12
1.6
SW
12
1.4
SW
11
1.2
WSW
11
1.2
WSW
11
1.1
SW
15
1.8
SW
14
1.9
SW
14
2
SW
14
2
SW
14
2.1
SW
14
2.1
SW
14
2.1
SW
13
2.1
SW
13
1.9
SW
13
1.9
SW
13
Wave Graph
Metric surfscale
Energy kJ
554
435
488
623
748
748
695
583
644
644
501
335
329
542
1273
1273
1494
1494
1570
1570
1524
1502
1269
1249
Wind (km/h)
30
ESE
15
ESE
10
ESE
10
ESE
10
E
10
ESE
10
E
10
E
10
ENE
0
ESE
5
S
15
SE
10
SE
10
E
10
NNE
10
N
5
N
5
NNE
10
E
15
ESE
10
E
5
NNE
5
ENE
5
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
glassy
glassy
off
High Tide
6:52PM1.44m
7:13AM1.23m
7:46PM1.37m
8:13AM1.13m
8:44PM1.30m
Low Tide
12:30PM0.22m
1:14AM0.31m
1:20PM0.32m
2:15AM0.38m
2:14PM0.41m
3:20AM0.44m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:50
7:52
7:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:44
5:44
 mm
1
1
2
1
Temp °C
14
17
19
19
19
20
20
22
23
23
22
22
22
21
22
19
18
18
19
18
19
17
17
18
Feels °C
9
15
17
16
17
17
17
18
20
21
19
18
19
18
19
17
17
17
18
15
18
17
17
18
Swell 1
Height (m)
Direction
Period (s)
1.4
WSW
12
1.2
SW
12
1.3
SSW
12
1.4
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.5
SW
12
1.6
SW
12
1.6
SW
12
1.4
SW
11
1.2
WSW
11
1.2
WSW
11
1.3
SW
11
1.8
SW
14
1.9
SW
14
2
SW
14
2
SW
14
2.1
SW
14
2.1
SW
14
2.1
SW
13
2.1
SW
13
1.9
SW
13
1.9
SW
13
Energy kJ
554
435
488
623
748
748
695
583
644
644
501
335
329
377
1273
1273
1494
1494
1570
1570
1524
1502
1269
1249
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
13
1.1
WSW
12
1.1
WSW
12
1
WSW
12
1
SE
7
0.9
SE
7
0.7
SE
6
0.6
SE
7
0.4
SW
16
0.4
SW
16
0.5
SW
15
0.7
S
8
0.8
SW
15
1.1
SW
15
0.5
S
8
0.5
S
8
0.3
ESE
7
0.4
SSE
8
0.2
SSE
7
0.2
SSE
8
0.2
SSE
8
0.1
SE
8
0.1
SE
8
Energy kJ
286
347
328
269
88
63
41
27
91
90
110
68
309
542
33
32
11
20
5
6
6
3
3
Swell 3
Height (m)
Direction
Period (s)
0.8
SSW
16
0.9
SW
15
0.7
SW
15
0.3
SW
18
0.3
SW
18
0.3
SW
18
0.3
SW
17
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SE
7
0.6
SW
15
0.6
S
9
0.6
S
9
0.3
ESE
7
0.1
SE
9
0.3
SE
8
Energy kJ
326
318
220
51
49
49
47
91
91
90
11
137
57
55
9
3
11
Wind waves
Height (m)
Direction
Period (s)
1.9
SE
6
1.5
SE
6
1.2
SE
6
1.1
SE
7
1.6
SE
6
1.2
SE
6
0.4
SE
8
0.4
SE
8
Energy kJ
287
183
116
111
207
123
16
17
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
3
3
3
3
3
3
2
2
3
3
4
4
4
4
4
4
4
4
4
4
Distance (km)
5
0
0
0
0
0
0
0
0
0
2
2
2
0
0
0
0
0
0
2
0
0
0
0
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
4
4
4
4
4
5
5
5
5
5
5
8
9
9
9
8
7
7
7
7
6
6
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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