Surf Forecasts:
Jongensfontein surf forecast from 5 Sep 2026:
- Best quality surf: Monday 7 Sep, 11PM (local time) - 5ft (1.6m), 9s period, ESE swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 11AM (local time) - 8ft (2.5m), 18s period, SSW swell with 4,634 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 11PM (local time) - 5ft (1.6m), 9s period with ESE 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 Monday (Sep 07) at 11PM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 1.2m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Jongensfontein in the next 16 days are 2.5m 18s and forecast to arrive on Sunday (Sep 06) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 7th Sep) | 5ft (1.6m) 9s |
| Best Surf | 11PM (Mon 7th Sep) | 5ft (1.6m) 9s |
| Most Powerful | 11AM (Sun 6th Sep) | 8ft (2.5m) 18s |
Table - best surf conditions forecast for Jongensfontein over the next 16 days.
The Lowdown
Alright crew, Rusty here with the long-range picture for the next couple of weeks. Let’s get into it.
We’re starting off on a rough note. The first few days are a total washout for any decent paddling. Saturday the 5th and Sunday the 6th are blown to bits – fresh to strong cross-onshore winds wrecking a solid SSW swell. The wave energy is significant, sitting at values over 5000, but the wind makes it impossible to surf. You’d just be getting rag-dolled.
Monday the 7th through Wednesday the 9th is still poor. Swell drops, but the onshore and cross-shore winds keep the ocean lumpy and choppy. The combined energy dips into the weak 300-600 range. It’s a waiting game, plain and simple.
Thursday the 10th and Friday the 11th see a bigger SW swell push in, with combined energy around 1000-2000, but the wind is still onshore. The data calls it “marginal,” so there’s size but no quality yet.
Now here’s the real standout: Sunday the 20th of September. This one gets me excited. A solid 3.5m SSW swell is forecast, and here’s the kicker – the wind is glassy in the morning with a light NW breeze. The combined wave energy is cranked up to 3416, and with a very long 12-second period, this is a proper groundswell. The break is Jongensfontein, a reef setup, so that long-period energy will line up beautifully. But listen, at over 2.5m, this is strictly for the experienced surfer. Beginners, sit this one out.
There’s also a nice little window on Monday the 15th of September. The morning offers 1.9m of SW groundswell (11-second period, combined energy 1017) with a light WNW cross-offshore breeze. The data says it’s “excellent surf conditions for experienced surfers.” It’ll be clean, well-shaped, and a lot of fun for the right crew.
The rest of the second week is messy with a lot of wind and chop. Focus on Sunday the 20th for the biggest and cleanest waves. The water temp is sitting at 16°, which is just about average for this time of year, so nothing unusual there.
Stay safe out there, and I’ll see you in the water.
- Rusty
Short Range ForecastMostly dry. Warm (max 24°C on Mon afternoon, min 14°C on Sat morning). Winds decreasing (strong winds from the E on Sun night, calm by Mon night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 29°C on Tue afternoon, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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) | SSW 10 | SSW 10 | SSW 22 | SSW 18 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | ESE 9 | E 9 | E 9 | E 9 | SW 14 | SW 13 | SW 13 | SW 16 | SW 15 | SW 14 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 342 | 307 | 2292 | 4634 | 3312 | 1546 | 1079 | 936 | 422 | 430 | 325 | 194 | 257 | 199 | 273 | 2287 | 1941 | 1130 | 732 | 593 | 494 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | off | cross | cross | cross-on | on | on | cross-on | on | on | cross-on |
High Tide | 9:58AM1.27m | 10:57PM1.40m | 12:11PM1.40m | 00:37AM1.54m | 1:17PM1.64m | 1:34AM1.73m | 2:01PM1.86m | 2:17AM1.89m | 2:38PM2.05m | 2:54AM2.00m | 3:12PM2.18m | 3:28AM2.05m | 3:44PM2.23m | 4:00AM2.06m | |||||||
Low Tide | 4:13PM0.83m | 5:48AM0.69m | 6:28PM0.69m | 7:05AM0.50m | 7:33PM0.47m | 7:53AM0.31m | 8:18PM0.27m | 8:31AM0.15m | 8:55PM0.12m | 9:04AM0.05m | 9:29PM0.03m | 9:36AM0.00m | 10:01PM-0.00m | ||||||||
 | |  | | |  | | | | | | | | | |  | |  |  | |  | |
 | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 4 | 11 |
Temp °C | 14 | 15 | 16 | 16 | 16 | 15 | 20 | 24 | 23 | 24 | 29 | 25 | 18 | 17 | 15 | 16 | 17 | 16 | 16 | 15 | 15 |
Feels °C | 9 | 9 | 10 | 10 | 9 | 7 | 18 | 22 | 22 | 22 | 25 | 24 | 15 | 15 | 14 | 15 | 16 | 15 | 15 | 9 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 22 | SSW 18 | SSW 16 | SSW 15 | ESE 8 | ESE 8 | ESE 9 | E 9 | SSW 11 | E 9 | E 9 | SW 13 | SW 13 | SW 16 | SW 15 | SW 14 | SW 13 | SW 12 | SW 12 |
| kJ | 342 | 307 | 2292 | 4634 | 3312 | 1546 | 560 | 483 | 422 | 430 | 79 | 194 | 133 | 199 | 273 | 2287 | 1941 | 1130 | 732 | 593 | 494 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | SSW 10 | SSW 10 | — | — | SSW 14 | SSW 13 | SSW 12 | SW 12 | SSE 10 | SW 11 | SW 14 | E 9 | E 9 | SSE 5 | E 10 | E 10 | E 10 | E 11 | SW 15 |
| kJ | 28 | 26 | 258 | 129 | — | — | 1079 | 936 | 250 | 172 | 52 | 94 | 257 | 81 | 61 | 17 | 48 | 31 | 18 | 10 | 191 |
Swell 3 Height (m) Direction Period (s) | E 10 | SSW 13 | SW 12 | S 9 | — | — | SSE 14 | SSE 12 | SW 13 | SSE 10 | WSW 12 | S 9 | SSE 9 | SSE 10 | S 4 | E 9 | — | — | SE 13 | E 11 | — |
| kJ | 18 | 18 | 40 | 39 | — | — | 36 | 50 | 249 | 77 | 54 | 41 | 31 | 18 | 9 | 61 | — | — | 7 | 2 | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 6 | E 6 | E 7 | E 8 | E 8 | — | — | — | E 9 | — | — | SSW 3 | — | — | — | S 6 | SSE 7 | SSE 7 | ESE 7 |
| kJ | 286 | 223 | 235 | 334 | 488 | 756 | 761 | — | — | — | 325 | — | — | 4 | — | — | — | 167 | 532 | 480 | 489 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 274 | 274 | 141 | 141 | 229 | 121 | 103 | 123 | 0 | 141 | 141 | 0 | 78 | 8 | 52 | 180 | 141 | 8 | 103 | 121 | 274 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
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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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