Surf Forecasts:
Jongensfontein surf forecast from 16 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 5AM (local time) - 8ft (2.5m), 13s period, S swell with 2,252 kJ wave energy.
Best Forecast Surf Conditions for Jongensfontein this week:
The most powerful waves expected at Jongensfontein in the next 16 days are 2.5m 13s and forecast to arrive on Thursday (Sep 17) at 5AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Thu 17th Sep) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Jongensfontein over the next 16 days.
The Lowdown
Alright, let's get real about the surf down at Jongensfontein. It's a reef, it likes a south swell, and for the next week and a half it's basically flat-lining. The forecast is a bit of a heartbreaker.
The next several days are a total washout. From Wednesday the 16th through to early next week, it's all cross-onshore winds, chopped-up faces, and wave heights hovering between the 4 and 7 foot mark. The swell energy is moderate but weak, ranging from 700 to 1500, but it’s just messy. There's a solid five or six-day stretch here where you'd be fighting a losing battle.
Then, things start to get interesting around the 24th. The swell really starts to fill in, and that's when we see the big numbers. We've got a massive SSW swell arriving, with heights of 10 feet plus and the energy readings going bananas into the 3,000 to 5,000 range. But hold on—this is a double-edged sword. The wind is going to be howling cross-onshore, and frankly, this break is going to be too big and too gnarly. This is not a day for the faint of heart.
The one real standout in this whole period is the morning of Friday the 26th. The swell eases back to a more manageable 7 feet from the SSW, but here's the kicker—we get a light cross-offshore wind from the WSW. That means clean, rippable waves. The energy is still pumping at 2700, which is strong. The sets will be long and lined up thanks to that 13-second period, but beware, it’s still pushing 2m+ which is serious for this spot. This is where the experts step up.
Beyond that, there's a small window on Tuesday the 30th that shapes up clean, but with a much smaller 1.7m swell. The period drops a bit, but it should still be rideable for the average surfer. The rest of that week looks like it’s fading away again. So, the long and the short of it is this: we’re in a drought for days, then we get a swell that’s just too mean and mighty for its own good, and then a couple of days of hoping for a window in between. Water temp is a bit cooler than usual, about 16°, so you'll want the booties and a hood.
Stay patient and wait for that Friday.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed morning. Very mild (max 16°C on Fri morning, min 14°C on Wed morning). Winds increasing (light winds from the S on Wed morning, fresh winds from the ESE by Fri morning). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun morning. Very mild (max 18°C on Mon morning, min 15°C on Sat afternoon). Winds decreasing (strong winds from the SE on Sat night, light winds from the SE by Sun night). | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | ESE 8 | SW 12 | ESE 8 | SW 14 | SW 13 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 8 | E 9 | WSW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1891 | 628 | 2190 | 977 | 794 | 671 | 589 | 589 | 607 | 450 | 460 | 1459 | 984 | 697 | 721 | 436 | 366 | 402 | 376 | 506 | 431 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:04PM1.67m | 6:20AM1.49m | 6:31PM1.49m | 6:51AM1.32m | 7:05PM1.31m | 8:01AM1.16m | 9:29PM1.17m | 12:07PM1.20m | 00:19AM1.27m | 1:00PM1.38m | 1:05AM1.44m | 1:30PM1.57m | 1:37AM1.61m | ||||||||
Low Tide | 11:50AM0.47m | 00:13AM0.53m | 12:15PM0.64m | 00:44AM0.70m | 12:47PM0.81m | 1:34AM0.86m | 1:58PM0.98m | 5:13AM0.93m | 6:27PM0.93m | 6:48AM0.77m | 7:13PM0.76m | 7:21AM0.60m | 7:41PM0.57m | ||||||||
 |  |  |  | |  | | | |  | |  |  | | | | | | | |  | |
 | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — |
 | — | 6:25 | — | — | 6:27 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — | — | 6:29 | — | — | 6:30 | — |
mm | 3 | — | 1 | — | — | — | — | — | — | — | — | 4 | 7 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 19 | 20 | 18 |
Feels °C | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 11 | 12 | 12 | 11 | 14 | 16 | 16 | 16 | 15 | 16 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | SW 14 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SW 12 | SW 11 | ESE 8 | ESE 9 | ESE 9 |
| kJ | 1891 | 628 | 2190 | 977 | 794 | 671 | 589 | 589 | 555 | 450 | 263 | 1459 | 534 | 697 | 564 | 436 | 268 | 150 | 376 | 380 | 238 |
Swell 2 Height (m) Direction Period (s) | E 10 | SW 9 | E 10 | E 10 | E 10 | E 10 | — | — | SW 18 | SW 16 | SW 14 | — | SW 13 | SW 13 | SW 12 | SW 12 | SW 15 | SSW 14 | SSW 13 | SW 11 | S 10 |
| kJ | 106 | 190 | 73 | 50 | 52 | 35 | — | — | 12 | 40 | 130 | — | 984 | 659 | 398 | 319 | 56 | 138 | 222 | 250 | 33 |
Swell 3 Height (m) Direction Period (s) | S 11 | E 10 | — | — | — | — | — | — | — | — | SW 18 | — | — | — | S 6 | SSW 16 | SSW 16 | SSW 9 | WSW 11 | — | S 14 |
| kJ | 2 | 75 | — | — | — | — | — | — | — | — | 83 | — | — | — | 32 | 26 | 47 | 26 | 79 | — | 16 |
Wind waves Height (m) Direction Period (s) | — | SSE 7 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | — | — | ESE 9 | — | ESE 9 | E 9 | — | E 9 | WSW 7 |
| kJ | — | 77 | 196 | 244 | 207 | 170 | 329 | 392 | 607 | 373 | 460 | 576 | — | — | 721 | — | 366 | 402 | — | 506 | 431 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 78 | 121 | 141 | 141 | 1195 | 141 | 269 | 1790 | 141 | 141 | 364 | 122 | 274 | 141 | 78 | 103 | 139 | 141 | 141 | 141 | 78 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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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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