Surf Forecasts:
Magna Tubes surf forecast from 22 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 11AM (local time) - 10ft (3.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 5PM (local time) - 10ft (3.0m), 16s period, SSW swell with 4,709 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 5AM (local time) - 8ft (2.5m), 11s period with SW swell.
Best Forecast Surf Conditions for Magna Tubes this week:
The surf forecast for Magna Tubes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 5AM. The primary swell is predicted to be 2.5m and 11s period with a secondary swell of 0.1m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Magna Tubes in the next 16 days are 3.0m 16s and forecast to arrive on Wednesday (Aug 26) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Sunday (Aug 30) at 2AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 23rd Aug) | 8ft (2.5m) 11s |
| Best Surf | 11AM (Tue 25th Aug) | 10ft (3.0m) 14s |
| Most Powerful | 5PM (Wed 26th Aug) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Magna Tubes over the next 16 days.
The Lowdown
Alright folks, Rusty here. We’ve got a solid run of surf on the cards at Magna Tubes, a heavy reef setup that’s for the experienced crew only.
The main event starts Sunday the 23rd of August with a strong 8ft swell from the SW, pushing a massive 1515 units of combined energy. That’s a lot of water moving, and with an 11-second period, it’s got some proper grunt. The morning is the pick with a light cross-offshore breeze making for clean, shaped-up lines. It’s a reef break, so long-period swells like this will draw right in. This is a top call for the advanced surfer.
Monday the 24th keeps the momentum, with a 7ft SW swell and a 12-second period, energy still high at 1101. The morning again is glassy with that perfect cross-off wind, but by afternoon the breeze picks up a notch, though it stays clean.
Now, the standout is shaping up for Tuesday the 25th of August. We’re looking at a 10ft SW groundswell with a 14-second period, and the combined energy punches through 3327. Morning winds are clean and cross-off. This is serious, powerful surf – well overhead and pushing a lot of water. It’s only for experts at this size. There will be long lulls between sets, but the waves that come through will be proper, lined-up reef bombs. Crowds are possible here, so get in early.
Wednesday the 26th sees the swell hold around 10ft, but a strong 30 km/h cross-onshore E wind ruins it. The energy is still massive at 3551, but it’s lumpy and blown out – a skip day.
Thursday and Friday slump. Swell drops to 5ft or less, with a messy mix of wind and directions. Friday afternoon turns glassy with a 4ft S swell at 11 seconds, but it’s small and weak for this spot. Not worth the paddle out.
Saturday the 29th gets smashed by 40 km/h winds. Swell is tiny anyway. Absolutely no go.
The next real window opens on Tuesday the 1st of September. A fresh 10ft SW swell arrives with a 13-second period and a massive 2909 energy reading. The morning is dead calm, glassy, and clean. This is another top-tier session for the experts. The water temp is about average for this time of year, so no surprises there.
Thursday the 3rd of September is the absolute standout of the whole run. We’ve got a 15ft SW groundswell at 13 seconds, and the combined energy is a colossal 7077. That’s a huge amount of power. The afternoon sees a 20 km/h offshore wind from the WNW, cleaning up what will be heaving, thick reef slabs. This is exceptional surf, but only for the most experienced. This is a day to remember, but it’s over a week away, so keep an eye on the forecasts.
After that, the swell hangs around 10ft+ but gets into a messy wind pattern through the start of September. Thursday the 3rd is the one to circle.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Tue night. Warm (max 36°C on Fri afternoon, min 13°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the E by Wed afternoon). | ||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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 9 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SSW 15 | SSW 15 | SSW 16 | SSW 12 | SSW 12 | E 9 | E 10 | E 10 | S 11 | SSE 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 861 | 1514 | 1242 | 1545 | 1094 | 897 | 1852 | 3325 | 2305 | 2173 | 3520 | 4709 | 1869 | 1252 | 881 | 913 | 484 | 403 | 277 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross | on | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross | glassy | cross-off |
High Tide | 00:52AM1.07m | 1:40PM1.10m | 1:44AM1.20m | 2:15PM1.24m | 2:18AM1.33m | 2:43PM1.39m | 2:47AM1.44m | 3:10PM1.52m | 3:15AM1.54m | 3:36PM1.63m | 3:42AM1.60m | 4:02PM1.72m | 4:10AM1.64m | ||||||
Low Tide | 7:28AM0.60m | 7:41PM0.62m | 8:04AM0.46m | 8:16PM0.49m | 8:32AM0.33m | 8:46PM0.36m | 8:58AM0.21m | 9:14PM0.25m | 9:23AM0.11m | 9:41PM0.15m | 9:49AM0.04m | 10:09PM0.09m | |||||||
 |  | | | | | |  | |  | | |  | | | | |  | | |
 | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — |
 | 5:53 | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 14 | 16 | 17 | 13 | 15 | 16 | 16 | 17 | 17 | 16 | 20 | 27 | 23 | 29 | 36 | 32 |
Feels °C | 12 | 15 | 14 | 14 | 15 | 15 | 12 | 13 | 14 | 15 | 11 | 11 | 10 | 18 | 26 | 21 | 27 | 32 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SSW 15 | SSW 15 | SSW 16 | SSW 12 | SSW 12 | S 12 | E 10 | E 10 | E 10 | E 10 |
| kJ | 400 | 1514 | 1242 | 1545 | 1094 | 897 | 1852 | 3325 | 2305 | 2173 | 3520 | 4709 | 1869 | 1252 | 553 | 913 | 484 | 314 | 266 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SW 14 | E 10 | SE 11 | SSW 15 | ESE 11 | E 10 | SSW 16 | SW 12 | WSW 12 | WSW 13 | S 16 | — | SW 12 | S 12 | S 11 | S 11 | S 11 |
| kJ | 1 | 1 | 284 | 2 | 5 | 411 | 11 | 2 | 848 | 836 | 504 | 69 | 132 | — | 463 | 535 | 483 | 403 | 220 |
Swell 3 Height (m) Direction Period (s) | — | — | E 9 | — | E 9 | SE 11 | SE 11 | — | — | E 9 | — | — | — | — | S 15 | SW 12 | S 14 | SSE 14 | SSE 14 |
| kJ | — | — | 2 | — | 2 | 4 | 5 | — | — | 2 | — | — | — | — | 113 | 195 | 100 | 81 | 277 |
Wind waves Height (m) Direction Period (s) | SW 9 | — | — | — | — | — | — | — | — | — | ESE 4 | E 5 | E 7 | E 8 | E 9 | — | — | W 4 | ENE 3 |
| kJ | 861 | — | — | — | — | — | — | — | — | — | 31 | 102 | 587 | 697 | 881 | — | — | 10 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 173 | 198 | 560 | 173 | 142 | 141 | 0 | 22 | 0 | 51 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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Information about the Magna Tubes Surf forecast
The above surf forecast table for Magna Tubes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Magna Tubes can be found by selecting the local surf guide option on the grey menu. Our Magna Tubes 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 (Magna Tubes) 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 Magna Tubes 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.
Magna Tubes 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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