J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 7 am 30 Oct 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
18.1°C
1.8° 

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 Oct):

  • Morning surf: Morning surf (30 Oct, local time) - 6ft (1.8m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Oct, local time) - 5ft (1.6m), 12s period with SW swell.
  • Evening surf: Evening surf (30 Oct, local time) - 5ft (1.6m), 12s period with SW swell.

The current surf forecast for J-Bay at 1PM is: 1.6m 13s primary swell from a Southwest direction and 0.9m 9s secondary swell from a East-southeast direction, 1.1m 7s secondary swell from a East direction (forecast issued at 07:00am October 30). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (30 Oct)6ft (1.8m)13s
Afternoon (30 Oct)5ft (1.6m)12s
Evening (30 Oct)5ft (1.6m)12s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sun afternoon. Warm (max 22°C on Fri morning, min 14°C on Sun night). Wind will be generally light.

Friday
30
Saturday
31
Sunday
1
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
2
1
0
2
3
4
3
3
2
1
2
3
2
2
2
1
1
0
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)
1.8
SW
13
1.8
SW
13
1.7
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.5
SW
12
1.6
SW
12
1.4
SW
12
1.5
WSW
12
1.5
WSW
12
1.4
WSW
12
1.3
WSW
12
1.3
WSW
12
1.4
WSW
11
1.4
WSW
11
1.2
WSW
11
1.1
SW
14
1.6
SW
14
1.7
SW
14
1.8
SW
14
2.3
SW
13
2.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
1144
1144
961
736
700
700
634
772
607
636
615
527
491
475
466
475
353
457
976
1130
1133
1677
1352
Wind (km/h)
0
SSW
5
S
15
SSE
15
SSE
15
SE
5
SSE
10
SW
10
WSW
10
WSW
10
WSW
10
S
15
SSE
15
S
5
WSW
15
W
20
W
25
W
30
WSW
30
SSW
25
S
10
S
0
SW
10
NNW
Wind State
glassy
glassy
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
glassy
cross-off
High Tide
5:55AM1.45m
6:12PM1.43m
6:49AM1.32m
7:10PM1.26m
8:05AM1.22m
8:38PM1.11m
Low Tide
11:59AM0.30m
00:30AM0.32m
12:58PM0.46m
1:33AM0.46m
2:26PM0.59m
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
light rain
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
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5:20
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—
—
—
—
—
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5:20
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—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:45
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—
—
—
—
—
—
6:46
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—
—
—
—
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6:47
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
1
1
Temp °C
19
20
22
22
21
19
19
19
19
20
22
22
21
20
19
19
19
20
20
18
18
16
15
Feels °C
21
22
22
23
21
21
20
19
20
21
22
22
21
21
18
18
17
16
17
14
17
17
14
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our J-Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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