Jongensfontein Surf Break

Lat Long: 34.43° S 21.33° E

Jongensfontein Surf Forecast and Surf Report

Issued: 1 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Jongensfontein sea temperature is
16.8°C
0.5° 

Jongensfontein surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Jongensfontein surf forecast from 11 Sep 2026:

  • Best quality surf: Monday 14 Sep, 2AM (local time) - 11ft (3.5m), 10s period, ESE swell with cross-shore winds.
  • Most powerful swell: Sunday 13 Sep, 11AM (local time) - 15ft (4.5m), 10s period, ESE swell with 3,535 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 5AM (local time) - 4.5ft (1.4m), 13s period with SW swell.

Best Forecast Surf Conditions for Jongensfontein this week:

The surf forecast for Jongensfontein over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 5AM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Jongensfontein in the next 16 days are 4.5m 10s and forecast to arrive on Sunday (Sep 13) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 6s period and expected on Monday (Sep 14) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 11th Sep)4.5ft (1.4m) 13s
Best Surf 2AM (Mon 14th Sep)11ft (3.5m) 10s
Most Powerful11AM (Sun 13th Sep)15ft (4.5m) 10s

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


The Lowdown

Right then, let’s get a look at what’s happening. Overall, we’ve got a bit of a mixed bag on our hands. The window kicks off Friday, 11 September, with a bit of promise, but then things get messy for a stretch before we see some real quality again. There are a few true standouts if you time it right.

First call is Jongensfontein on Friday morning, 11 September. The swell is a clean 4ft from the SW with a solid 12-second period – that’s groundswell with some real push behind it. The combined energy is moderate at 864, but the magic is in the wind. It’s glassy, mate. Dead calm. When you get a reef break like this, with a S direction being its optimum, and the wind is off the SSE at just 3 mph, it’ll be as clean as a whistle. Perfect for an intermediate. The water temp anomaly is about average for the time of year, nothing wild.

But don’t get too comfortable. Later Friday afternoon the wind swings onshore, and it’s game over for quality.

Saturday, 12 September, the swell jumps to 5ft and then 7ft with a 15-second and 17-second period, which is very long period groundswell. The energy rockets up to 1312 then 2856. But the wind is howling onshore from the ESE at 12-22 mph. This will be a mess, and at that size and period, it’s expert territory anyway, but with the chop, even they’ll struggle.

Sunday, 13 September, is a blowout. 12ft of sloppy ESE windswell with 25 mph cross-onshore winds. That’s massive (3701 combined energy), but it’s a write-off for paddling. With that setup and those conditions, this is more a kiteboarding session than a surf session.

The week cools off. Monday and Tuesday have size, 8ft and 5ft, but the wind is never right for long, and the swell periods drop. There’s a flicker on Tuesday morning, 15 September, with a 5ft wave from the E, 11-second period, and a light cross-offshore wind. The combined energy is moderate (701), and the report says “expect very good surf conditions.” It’s worth a paddle but only if you’re keen for a trade-off because the afternoon goes onshore again.

A long gap with poor quality follows, from 16 September right through until the 18th. The wind is constantly onshore or cross-onshore, and the surf is lumpy or messy. It’s a flat spell for quality.

Now, for the real standout. You want to mark your calendar for Saturday morning, 19 September. This is the one. We’ve got a 5ft swell from the SW with a 14-second period, giving a combined energy of 1497. The wind is a light cross-offshore from the WSW at just 6 mph. The report says “excellent surf conditions for experienced surfers.” It’s clean, it’s got energy, and for a reef, that long period SW groundswell will wrap in beautifully. It’s going to be a gem.

Sunday morning, 20 September, is also promising, but it’s a bigger step up. 8ft from the SSW with a 16-second period (2680 combined energy). That’s a lot of power and likely too big for anyone but experts. The wind is light cross-offshore again (WSW, 9 mph), so it’ll be clean, but you need to know what you’re doing. It’s a standout for the big-wave crew.

After that, the pattern turns messy again for the final few days of the forecast window, with onshore winds and dropping quality right through to 26 September.

So, to wrap it up: your best bet is Saturday morning, 19 September, for a clean, high-quality session at Jongensfontein. Sunday 20 September is a big-wave second option for experienced surfers only. Don’t bother with the rest until those mornings.

Rusty.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 18°C on Fri afternoon, min 15°C on Fri morning). Winds increasing (calm on Fri morning, near gales from the E by Sun afternoon).

Days 4-6 Weather Summary

Heavy rain (total 24mm), heaviest during Mon afternoon. Warm (max 20°C on Tue afternoon, min 13°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the SW by Tue night).

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
1
1
0
0
0
0
!
1
4
4
4
3
1
1
1
3
2
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SW
12
1.2
SW
12
0.8
WSW
12
1.6
SW
15
2.1
SW
17
2.1
SW
16
4.5
ESE
10
3.5
ESE
10
3.5
ESE
10
2.5
ESE
10
2.1
ESE
10
1.7
ESE
10
1.5
E
11
2.3
WSW
8
1.7
SW
15
1.6
SW
14
1.8
SW
13
1.9
SSW
12
1.6
SW
12
2.3
SW
12
2.5
SSW
13
Wave Graph
Metric surfscale
Energy kJ
423
396
171
1124
2541
2185
3535
2498
2578
1220
889
647
525
721
1305
957
1086
1091
747
1572
1992
Wind (km/h)
5
SSE
15
ESE
5
E
20
ESE
40
SE
40
E
45
E
50
E
20
NE
25
SSW
0
NW
15
NW
10
W
10
SW
25
SW
20
SSE
15
S
20
WSW
25
WSW
25
SSW
20
SSE
Wind State
glassy
on
cross-on
on
on
cross-on
cross-on
cross-on
cross
cross
glassy
off
cross-off
cross
cross
cross-on
cross-on
cross-off
cross-off
cross-on
cross-on
High Tide
3:44PM2.23m
4:00AM2.06m
4:15PM2.22m
4:30AM2.01m
4:44PM2.14m
4:59AM1.92m
5:11PM2.01m
5:26AM1.80m
5:38PM1.85m
5:53AM1.65m
6:04PM1.67m
6:20AM1.49m
6:31PM1.49m
Low Tide
9:36AM0.00m
10:01PM-0.00m
10:05AM0.01m
10:30PM0.03m
10:33AM0.08m
10:57PM0.11m
10:59AM0.18m
11:23PM0.23m
11:25AM0.32m
11:48PM0.37m
11:50AM0.47m
00:13AM0.53m
12:15PM0.64m
00:44AM0.70m
cloud
part cloud
part cloud
light rain
light rain
light rain
cloud
cloud
light rain
light rain
rain showers
part cloud
part cloud
cloud
light rain
light rain
rain showers
part cloud
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:37
6:35
6:35
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:23
6:23
6:24
6:25
6:27
 mm
1
2
4
3
4
12
2
4
2
1
5
Temp °C
17
18
16
17
17
16
17
16
18
18
18
18
19
20
17
14
14
14
13
14
13
Feels °C
18
16
15
15
13
11
10
8
17
17
19
18
17
18
14
12
10
10
7
10
7
  • 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 Jongensfontein Surf forecast

The above surf forecast table for Jongensfontein provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jongensfontein can be found by selecting the local surf guide option on the grey menu. Our Jongensfontein 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 (Jongensfontein) 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 Jongensfontein 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.

Are you planning a holiday in Overberg? If you are looking for accommodation near Jongensfontein, camping, hotels and holiday cottages in Overberg, consider staying in Riversdale which is 39 km (24 miles) away. Alternatively, find information about places to stay and car hire in Mossel Bay which is 78 km (48 miles) away

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