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Surf Forecasts:

J-Bay surf break

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

information circle12 Day Weather and Surf, issued 7 pm Thursday 04 Sep 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
18.3° C
 (Which is slightly cooler than normal)

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 Thursday (Sep 04) at 11PM. The primary swell is predicted to be 2.1m and 11s period with a secondary swell of 0.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at J-Bay in the next 12 days are 3.5m 15s and forecast to arrive on Saturday (Sep 06) 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 1.1m 5s period and expected on Friday (Sep 05) at 5PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 4th Sep)7ft (2.1m) 11s
Best Surf 5AM (Sat 6th Sep)11ft (3.5m) 15s
Most Powerful 5AM (Sat 6th Sep)11ft (3.5m) 15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 3mm), mostly falling on Fri night. Very mild (max 19°C on Fri afternoon, min 14°C on Sat night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Tue morning. Warm (max 23°C on Tue morning, min 17°C on Sun night). Winds increasing (calm on Sun night, strong winds from the E by Mon night).

Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thu
11
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
4
3
3
6
4
0
3
3
3
5
0
0
0
4
3
4
3
1
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.1
SW
2.5
SSW
3
SSW
3.5
SSW
3.5
SSW
3
SSW
2.5
SSW
2.3
SSW
2.5
SSW
3
SSW
3
SSW
2.5
SSW
2.3
SW
2
SW
1.9
SW
1.5
SW
1.4
SW
1.3
SW
1.4
SW
2.3
WSW
3
WSW
Period(s) (?)11131313141413121315151414131313121313128
Wave
Graph
(?)Metric surfscale
Energy (?)126326053520517545923469226116081942370539203310282119051622109790681384015821185
Wind
(km/h)
5
ESE
15
SW
30
WSW
10
W
10
SE
20
ESE
5
NNE
10
S
10
S
0
ESE
30
E
40
E
40
E
0
S
20
WSW
15
W
5
SSE
15
SSE
5
SE
10
ESE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off		cross-
off		cross-
off		ononcrosscrosscrossglassonononglasscross-
off		offglasscross-
on		cross-
on		onon
High Tide
/ height (m)
2:12AM
1.40
2:36PM
1.49
2:44AM
1.54
3:06PM
1.66
3:17AM
1.65
3:37PM
1.79
3:49AM
1.71
4:08PM
1.88
4:23AM
1.73
4:41PM
1.90
4:57AM
1.69
5:15PM
1.85
5:32AM
1.61
5:51PM
1.73
Low Tide
/ height (m)
8:08PM
0.41
8:24AM
0.24
8:41PM
0.25
8:53AM
0.10
9:14PM
0.11
9:23AM
-0.01
9:47PM
-0.00
9:54AM
-0.07
10:20PM
-0.06
10:26AM
-0.09
10:54PM
-0.05
10:59AM
-0.05
11:29PM
0.01
11:33AM
0.05
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thu
11
Sunrise-6:33--6:31--6:31--6:30--6:28--6:26--6:26-
Sunset--6:04--6:05--6:05--6:06--6:07--6:07--6:07
cloud
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
light rain
cloud
rain showers
thunderstorm
thunderstorm
clear
clear
clear
part cloud
light rain
cloud
Rain (mm)
---3------1-421----2-
Temp. °C151819161818171919181919192323192321191818
Feels °C (?)141514131615161818201615172420182419201817
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for Eastern Cape (S)

  1. weather stationWind Update The wind is still cross-off at J-Bay (light winds from the SW at Cape Saint Francis 19 km from J-Bay). 2.2m 12s groundswell from the SW to make surfable waves.

    1 hour 29 minutes ago J-Bay
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19 km away, 1 h 29 min ago

13 km/h
SW
0.0
18.3
Air / Water (°C)
Please reload the page to see if there are any updates.

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.

View detailed surf forecast for J-Bay at:
surf-forecast.com

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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