J-Bay surf break

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

information circle12 Day Weather and Surf, issued 1 am Friday 28 Nov 2025 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
20.5° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for J-Bay this week:

The surf forecast for J-Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 28) at 11PM. The primary swell is predicted to be 2.2m and 9s period with a secondary swell of 0.5m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at J-Bay in the next 12 days are 3.5m 13s and forecast to arrive on Sunday (Nov 30) at 5PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Saturday (Nov 29) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 28th Nov)7ft (2.2m) 9s
Best Surf 8PM (Mon 1st Dec)7.5ft (2.3m) 13s
Most Powerful 5PM (Sun 30th Nov)11ft (3.5m) 13s

Table - best surf conditions forecast for J-Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 38mm), heaviest during Fri night. Warm (max 28°C on Fri afternoon, min 17°C on Sun night). Winds decreasing (fresh winds from the WSW on Fri afternoon, light winds from the NNE by Sun night).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Tue morning. Warm (max 21°C on Mon morning, min 15°C on Wed night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
0
0
0
1
2
2
4
2
2
4
1
0
3
1
0
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
2.2
ESE
3
ESE
1.8
ESE
1.1
E
1.6
SW
1.5
SSW
2.5
SSW
3.5
SSW
3
SW
2.5
SW
2.4
SW
2.1
SW
2.3
SW
2.5
SSW
2.4
SSW
2
SSW
1.3
SW
1.1
SW
0.9
SW
2.1
E
2.3
E
Period(s) (?)8898671413131313131413121111111167
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6021051493165188204262941193193234519421452209524231613996437273175333572
Wind
(km/h)
15
E
35
WSW
35
W
30
SSW
30
SW
20
WSW
15
SSW
15
ESE
10
NE
15
SE
15
SE
10
WNW
25
SSW
25
SSE
5
SE
20
SE
25
ESE
15
NE
25
E
35
E
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossoncross-
on
oncross-
on
offcrosscross-
on
onononcross-
on
oncross-
on
cross
High Tide
/ height (m)
9:10AM
1.23
9:36PM
1.10
10:31AM
1.30
11:07PM
1.14
11:40AM
1.40
12:18AM
1.23
12:38PM
1.52
1:13AM
1.35
1:29PM
1.63
2:02AM
1.46
2:16PM
1.71
2:48AM
1.55
3:03PM
1.75
3:32AM
1.61
Low Tide
/ height (m)
3:37PM
0.59
3:48AM
0.51
5:03PM
0.51
5:05AM
0.47
6:11PM
0.38
6:11AM
0.39
7:06PM
0.25
7:08AM
0.29
7:54PM
0.13
7:59AM
0.19
8:39PM
0.05
8:47AM
0.12
9:23PM
0.01
Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Sunrise5:01--5:01--5:01--5:01--5:01--5:01--5:01--
Sunset-7:13--7:14--7:15--7:15--7:16--7:17--7:17-
part cloud
rain showers
rain showers
thunderstorm
rain showers
part cloud
part cloud
clear
clear
clear
cloud
part cloud
rain showers
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
-102521-------11-------
Temp. °C272822222220212018212120211918181817222319
Feels °C (?)262424181818181816201921171615161413171715
  • Map Icons:
  • Break
  • 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 12 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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