J-Bay Surf Break

Lat Long: 34.05° S 24.93° E

J-Bay Surf Forecast and Surf Report

Issued: 7 pm 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's J-Bay sea temperature is
14.6° C
4.2° 

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 8 Aug 2026:

  • Best quality surf: Saturday 8 Aug, 5AM (local time) - 10ft (3.0m), 14s period, SW swell with offshore winds.
  • Most powerful swell: Tuesday 11 Aug, 2AM (local time) - 11ft (3.5m), 14s period, SSW swell with 4,635 kJ wave energy.
  • Next surfable swell (1★+): Saturday 8 Aug, 5AM (local time) - 10ft (3.0m), 14s 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 Saturday (Aug 08) at 5AM. The primary swell is predicted to be 3.0m and 14s period with a secondary swell of 0.9m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at J-Bay in the next 16 days are 3.5m 14s and forecast to arrive on Tuesday (Aug 11) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Saturday (Aug 08) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sat 8th Aug)10ft (3.0m) 14s
Best Surf 5AM (Sat 8th Aug)10ft (3.0m) 14s
Most Powerful 2AM (Tue 11th Aug)11ft (3.5m) 14s

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


The Lowdown

Alright, grab your board. This is Rusty, and here’s how the next couple of weeks are shaping up for our stretch of coast.

The long-range models are showing us a bit of a mixed bag, but there's a serious pulse of energy on the horizon that has me amped. The first few days are going to be a bit of a write-off, but we’ve got a solid window of groomed swell coming our way after a bit of a wait.

Right now, the surf is on the small side and the wind is messy. Saturday morning, we’re looking at a clean but marginal 8ft of southwest swell, but the cross-off wind at 19 mph is making things a bit lumpy and the tide is questionable. Not worth paddling out for. The afternoon drops a touch to 8ft, still with a cross-off breeze. It’s just not coming together.

Sunday morning brings a bigger pulse of 10ft at 13 seconds, and it’s clean with a light cross-off breeze. This is the most surfable it will be for a few days, for the intermediates out there. The afternoon, however, turns ugly. The wind swings south at 22 mph and it’s onshore and bumpy. That’s a hard pass.

Monday and Tuesday are looking pretty bleak. We’ve got onshore winds and lumpy, cross-chop conditions with waves in the 7ft to 8ft range. Tuesday is a total loss with the wind straight onshore. It's not going to be pretty.

We then hit a real flat spell. From Wednesday through Sunday, the swell drops off significantly and the wind stays messy. There’s a lot of short-period windswell mixed with some tired, long-period leftovers, but the wind is all wrong. It’s a pretty long stretch of nothing, about five days where you’re better off finding something else to do. The water is about average for the time of year, no major temp swings.

Now, keep your eyes on the prize, because this is where it gets good. The standout window is shaping up for the following Tuesday morning. We’re looking at a clean 8ft of east swell, but it’s the conditions that have me stoked. A light offshore wind and clean, glassy faces at J-Bay. This is going to be the best surf of the period up to that point. It’s a good one for the experienced crew. The energy is moderate at 1861, but the quality looks fantastic.

The following Saturday, the 22nd, is the one you circle on the calendar. This is the big one. A hefty 16ft of west-southwest swell is forecast to unload at J-Bay, with a light offshore breeze and a period of 11 seconds. The energy reading is a massive 6385, which is some serious power. This is an expert-only day—this is a big, powerful wave. For the few who are ready, this will be truly exceptional. The break at J-Bay (Western Cape) is a consistent one, so you know it’ll be handling this size.

This is a forecast that rewards patience. The first week is a grind, but that final Saturday is a genuine standout. It’s far out, so we’ll watch it, but if it holds, it's going to be a day to remember.

Rusty out.

Short Range Forecast

Heavy rain (total 26mm), heaviest during Sun afternoon. Very mild (max 17°C on Sat morning, min 11°C on Sun afternoon). Winds increasing (light winds from the NNE on Fri night, fresh winds from the S by Sun afternoon).

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Mon night. Very mild (max 19°C on Thu afternoon, min 13°C on Mon night). Mainly fresh winds.

Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
5
2
2
4
4
0
2
2
1
2
0
0
1
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
14
2.5
SW
14
2.3
SW
13
3.5
SW
14
3
SW
13
2.5
SW
13
3
SSW
12
2.5
SW
12
3
SSW
11
3.5
SSW
14
2.4
SSW
13
2
SSW
12
2.3
ESE
8
0.8
SSW
22
1.1
SSW
20
1.4
SSW
18
1.7
SSW
16
1.4
SW
16
1.7
SW
17
Wave Graph
Metric surfscale
Energy kJ
3517
2462
1919
4427
3422
2345
2936
1986
2061
4635
1879
1117
686
597
932
1159
1408
989
1605
Wind (km/h)
15
N
35
WSW
25
WSW
20
W
25
W
40
S
25
SSW
25
S
15
SSE
20
ESE
30
E
25
E
20
ENE
30
ENE
30
E
30
ENE
25
ENE
30
E
15
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:46PM1.22m
11:59AM1.09m
00:33AM1.28m
1:24PM1.24m
1:44AM1.41m
2:20PM1.42m
2:35AM1.53m
3:04PM1.59m
3:18AM1.63m
3:44PM1.72m
3:57AM1.68m
4:20PM1.79m
4:32AM1.68m
Low Tide
5:36AM0.55m
6:00PM0.57m
7:09AM0.43m
7:29PM0.44m
8:08AM0.28m
8:27PM0.28m
8:52AM0.14m
9:13PM0.15m
9:31AM0.03m
9:54PM0.07m
10:06AM-0.03m
10:32PM0.03m
part cloud
part cloud
clear
rain showers
light rain
mod rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:05
7:05
7:03
7:03
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
5:45
5:45
5:46
5:46
5:47
 mm
2
3
10
5
3
3
4
2
1
Temp °C
15
17
16
14
13
13
14
13
13
14
14
15
15
15
18
16
16
19
15
Feels °C
12
12
11
12
6
6
6
8
8
10
10
10
9
8
11
11
11
14
10
  • 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 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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