J-Bay surf break

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

information circle16 Day Weather and Surf, issued 7 am 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 2AM. The primary swell is predicted to be 2.5m and 8s period with a secondary swell of 1.6m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at J-Bay in the next 16 days are 2.0m 14s and forecast to arrive on Tuesday (Mar 24) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Wednesday (Mar 25) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 25th Mar)5ft (1.6m) 13s
Best Surf 2AM (Wed 25th Mar)5ft (1.6m) 13s
Most Powerful 2PM (Tue 24th Mar)6.5ft (2.0m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Tue night. Warm (max 28°C on Wed morning, min 19°C on Wed night). Mainly strong winds.

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Fri night. Warm (max 28°C on Fri afternoon, min 18°C on Sat night). Wind will be generally light.

Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
4
2
1
3
2
1
2
2
0
3
1
1
4
3
2
4
3
2
3
Swell
Height Map
Wave Height (m) & direction (?)
2.1
SSW
1.9
SSW
1.6
SSW
1.9
E
1.3
SSW
1.7
WSW
1.6
SW
1.9
SW
1.9
SW
1.4
SW
1.1
SSW
1.4
E
1.1
WSW
0.6
S
2.1
SW
2.4
SW
2.4
SW
2.3
SW
2.1
SW
1.9
SW
1.4
SSW
Period(s) (?)14131391281111101111891410111111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)174613221014580436356617813678458275223190146847144114781264990720371
Wind
(km/h)
25
ENE
40
E
0
SW
30
WSW
25
SW
10
WNW
15
S
15
ESE
10
NNE
5
ESE
20
ESE
5
WSW
25
SW
25
SW
10
W
10
S
15
SE
5
NW
10
SSW
5
ESE
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
glasscross-
off
cross-
off
offcrossoncrossononcross-
off
cross-
off
cross-
off
offcrosscross-
on
glasscrossonoff
High Tide
/ height (m)
7:09PM
1.25
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
Low Tide
/ height (m)
1:01PM
0.37
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
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Sunrise6:26--6:26--6:26--6:28--6:28--6:28--6:30--
Sunset-6:25--6:24--6:23--6:22--6:21--6:20--6:17-
clear
clear
rain showers
part cloud
rain showers
clear
clear
clear
clear
clear
rain showers
thunderstorm
part cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
Rain (mm)
--2-1-----112---------
Temp. °C252723282320222119262825232319212019191919
Feels °C (?)232326251820211919282829191819211919192020
  • 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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