J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay 48 hour detailed Surf Forecast

Issued: 7 pm 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
14.3° C
4.6° 

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 (10 Aug):

  • Afternoon surf: Afternoon surf (10 Aug, local time) - 10ft (3.0m), 11s period with SSW swell.
  • Evening surf: Evening surf (10 Aug, local time) - 10ft (3.0m), 11s period with SSW swell.

The current surf forecast for J-Bay at 10PM is: 3.0m 11s primary swell from a South-southwest direction and 0.9m 14s secondary swell from a South-southwest direction, 0.9m 8s secondary swell from a East-southeast direction (forecast issued at 07:00pm August 10). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (10 Aug)--
Afternoon (10 Aug)10ft (3.0m)11s
Evening (10 Aug)10ft (3.0m)11s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Mon night. Warm (max 23°C on Thu afternoon, min 12°C on Wed night). Winds increasing (light winds from the E on Tue morning, fresh winds from the E by Wed afternoon).

Mon
10
Tuesday
11
Wednesday
12
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)
1
1
1
0
2
3
0
0
0
0
1
1
1
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SSW
11
3
SSW
11
3.5
SSW
11
3.5
S
11
3.5
S
11
2.5
SSW
13
2.3
SSW
13
2
SSW
13
1.9
SSW
12
1.7
SSW
12
2.5
ESE
8
2.5
ESE
8
2.3
ESE
8
2.3
ESE
8
0.9
SSW
21
1.1
SSW
20
1.1
SSW
19
3
E
8
3
E
8
Wave Graph
Metric surfscale
Energy kJ
2155
2155
2766
3102
3145
2278
1775
1276
1022
840
778
765
688
653
712
951
922
1103
1268
Wind (km/h)
20
SE
15
ESE
20
ESE
20
ESE
20
E
15
E
25
E
30
E
30
E
25
ENE
20
ENE
20
NE
20
ENE
20
ENE
35
ENE
35
E
40
E
40
ENE
35
ENE
Wind State
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:20PM1.42m
2:35AM1.53m
3:04PM1.59m
3:18AM1.63m
3:44PM1.72m
Low Tide
8:27PM0.28m
8:52AM0.14m
9:13PM0.15m
9:31AM0.03m
9:54PM0.07m
rain showers
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:46
 mm
1
1
1
1
2
1
1
Temp °C
14
14
13
13
13
14
15
15
15
14
14
13
14
14
16
18
17
15
14
Feels °C
10
10
9
9
9
11
10
8
9
9
11
10
10
10
9
10
10
8
7
  • 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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