J-Bay surf break

J-Bay surfForecast / Eastern Cape (S) / South Africa

information circle16 Day Weather and Surf, issued 7 pm Tuesday 24 Mar 2026 SAST
Forecast update in hr  min  s Forecast update imminent
J-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's J-Bay sea temperature is
19.7° C
(Which is 2.3°C colder than average for this time of year)

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 Wednesday (Mar 25) at 8AM. The primary swell is predicted to be 2.4m and 9s period with a secondary swell of 2.0m and 9s. Another secondary swell of 1.4m and 12s is also forecast. 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 2.5m 12s and forecast to arrive on Sunday (Mar 29) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Saturday (Mar 28) at 5AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 25th Mar)8ft (2.4m) 9s
Best Surf 8AM (Wed 25th Mar)8ft (2.4m) 9s
Most Powerful 5AM (Sun 29th Mar)8ft (2.5m) 12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 29°C on Wed morning, min 19°C on Wed night). Winds decreasing (fresh winds from the SW on Wed afternoon, calm by Fri morning).

Days 3-6 Weather Summary Some drizzle, heaviest during Fri night. Warm (max 23°C on Fri night, min 16°C on Sat night). Wind will be generally light.

Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
1
4
1
0
2
3
2
1
1
2
4
3
2
4
2
0
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
SSW
1.8
E
1.3
SSW
1.4
SW
1.3
SSW
1.8
SW
1.9
SW
1.4
SW
1.3
E
0.9
SSW
1.2
SW
1.7
SW
2.4
SW
2.2
SW
2
SW
2.1
SW
1.5
SW
1.1
SSW
1.3
SSW
1.1
SSW
0.8
SSW
Period(s) (?)139121111111010811781011111110119910
Wave
Graph
(?)Metric surfscale
Energy kJ (?)908517436493396698783377203190124389124911098681045442292280197123
Wind
(km/h)
10
ENE
35
WSW
30
WSW
10
WNW
15
SSE
15
ESE
5
N
5
NNE
20
SW
20
W
20
SW
25
SW
10
WNW
15
SSW
15
S
5
NW
10
SE
20
SE
5
NW
15
ESE
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
cross-
off
offcross-
on
oncrossglasscross-
off
cross-
off
cross-
off
cross-
off
offcrosscrossoffcross-
on
onglassonon
High Tide
/ height (m)
7:37AM
1.25
8:24PM
1.09
9:21AM
1.07
11:09PM
1.05
12:01PM
1.09
12:52AM
1.21
1:15PM
1.23
1:42AM
1.39
1:59PM
1.36
2:19AM
1.54
2:35PM
1.47
2:51AM
1.66
3:06PM
1.55
Low Tide
/ height (m)
1:14AM
0.47
2:02PM
0.55
2:39AM
0.65
4:13PM
0.65
5:42AM
0.67
6:29PM
0.56
7:14AM
0.51
7:28PM
0.41
8:01AM
0.35
8:07PM
0.27
8:36AM
0.22
8:39PM
0.17
9:06AM
0.13
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
31
Sunrise-6:26--6:26--6:28--6:28--6:28--6:30--6:31-
Sunset--6:24--6:23--6:22--6:21--6:20--6:17--6:16
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
---------1-----------
Temp. °C242923202221202829232222182020182020192424
Feels °C (?)252518202119193029241918181817181918192422
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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