J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay Surf Forecast and Surf Report

Issued: 1 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
15.9°C
2.9° 

J-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


J-Bay surf forecast from 6 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 8PM (local time) - 8ft (2.5m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Sunday 6 Sep, 8PM (local time) - 11ft (3.5m), 17s period, SSW swell with 7,686 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 8 Sep, 2AM (local time) - 5ft (1.6m), 13s period with SW swell.

Best Forecast Surf Conditions for J-Bay this week:

The surf forecast for J-Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 2AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 2.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at J-Bay in the next 16 days are 3.5m 17s and forecast to arrive on Sunday (Sep 06) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Thursday (Sep 10) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 8th Sep)5ft (1.6m) 13s
Best Surf 8PM (Thu 10th Sep)8ft (2.5m) 16s
Most Powerful 8PM (Sun 6th Sep)11ft (3.5m) 17s

Table - best surf conditions forecast for J-Bay over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 30°C on Wed morning, min 16°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun night, calm by Tue morning).

Days 5-7 Weather Summary

Heavy rain (total 42mm), heaviest during Fri morning. Warm (max 25°C on Wed afternoon, min 15°C on Fri afternoon). Winds increasing (calm on Thu night, fresh winds from the ESE by Fri afternoon).

Sun
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
0
4
4
1
2
2
2
1
3
2
4
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)
3.5
SSW
18
3
SSW
16
2.5
SSW
14
2.2
SSW
14
1.6
SW
13
1.3
SW
13
1.1
SW
12
0.9
SW
12
1
E
9
1.1
SW
14
1
SW
13
1.3
SW
13
1.9
SW
17
3
SW
15
2.3
SW
14
2
SW
13
1.6
SW
12
2.5
E
8
3
E
8
2.2
SSW
16
Wave Graph
Metric surfscale
Energy kJ
7660
4542
2593
1758
854
591
367
232
169
404
326
581
2238
3330
2094
1326
812
852
1272
2330
Wind (km/h)
30
E
30
ENE
20
NE
25
E
5
NNW
5
NNW
10
ESE
5
N
5
WSW
20
WSW
20
W
15
SSW
15
SSE
10
ESE
30
ESE
35
ESE
35
E
30
E
40
E
40
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-off
glassy
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
on
on
on
cross-on
cross-on
High Tide
00:45AM1.23m
1:25PM1.30m
1:43AM1.38m
2:11PM1.50m
2:26AM1.51m
2:48PM1.66m
3:02AM1.61m
3:22PM1.77m
3:36AM1.66m
3:54PM1.83m
4:07AM1.67m
4:24PM1.83m
4:37AM1.64m
Low Tide
6:28PM0.58m
7:10AM0.43m
7:38PM0.40m
7:58AM0.27m
8:23PM0.24m
8:36AM0.13m
9:01PM0.11m
9:09AM0.03m
9:35PM0.03m
9:41AM-0.02m
10:07PM-0.00m
10:10AM-0.03m
10:36PM0.01m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
heavy rain
light rain
mod rain
heavy rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
6:28
6:26
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:05
6:06
6:07
6:07
6:07
6:08
 mm
3
17
4
7
11
2
2
Temp °C
17
16
20
24
22
28
28
24
30
25
19
20
19
18
16
15
15
16
17
18
Feels °C
12
11
18
23
21
28
27
24
30
25
18
19
19
19
16
10
10
13
12
12
  • 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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Information about the J-Bay Surf forecast

The above surf forecast table for J-Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at J-Bay can be found by selecting the local surf guide option on the grey menu. Our J-Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (J-Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for J-Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

J-Bay is 19 km (12 miles) from the city of Kruisfontein. If you plan a holiday in Eastern Cape (South), look for hotels and other accommodation in Kruisfontein. Kruisfontein has rooms for a wide range of budgets as well as car hire and transport links.

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