Surf Forecasts:
Magna Tubes surf forecast from 21 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 5AM (local time) - 10ft (3.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 2PM (local time) - 10ft (3.0m), 16s period, SSW swell with 4,659 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 5AM (local time) - 5.5ft (1.7m), 12s period with SSW 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 Saturday (Aug 22) at 5AM. The primary swell is predicted to be 1.7m and 12s period with a secondary swell of 0.6m and 4s. 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 2PM. 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 Saturday (Aug 22) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 22nd Aug) | 5.5ft (1.7m) 12s |
| Best Surf | 5AM (Tue 25th Aug) | 10ft (3.0m) 14s |
| Most Powerful | 2PM (Wed 26th Aug) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Magna Tubes over the next 16 days.
The Lowdown
Alright, we're looking at the next couple of weeks at Magna Tubes. First thing you need to know: the water is way freakin' cold, running 14°C right now, which is about 5° colder than usual for this time of year. Feels like winter's got a grip.
Friday the 21st is a no-go. You got 2.2m of SW swell but an onshore wind and marginal conditions. Just skip it.
Saturday the 22nd sees the swell building from 2.4m to 3.0m. Wind is a strong cross-off, so it'll stay clean enough. The combined energy is moderate to strong. Sunday morning the 23rd is a better chance for the experienced surfer: 2.5m SW swell with a gentle cross-off breeze for clean, lined-up waves.
Now, for the standout. Circle Tuesday morning, August 25th. You've got a solid 3.0m groundswell from the SW running on a very long 14-second period. That's a lot of water moving, with the combined energy hitting 3476 – that's big power. And the wind? Dead glassy. Completely flat calm at 5 km/h. This is going to be a clean, powerful, heavy reef break. At 3.0m, this is strictly for experts. That long period will make it pitchy and sucky.
Another promising window shows up on Monday, August 31st. Glassy winds again, a 3.0m SW swell, period 11 seconds, and a combined energy of 1913. Another one for the heavy hitters before the wind shifts.
In between those highlights, it gets choppy. The 26th and 27th get smashed by onshore winds. Thursday afternoon the 27th goes glassy on a long-period S swell, which can be a bit straight for the reef. Friday the 28th is worth a look for a glassy 1.5m morning.
Then it drops off a cliff from the 29th through the 30th with strong winds and tiny swell. Combined energy drops to just 41. That's a weekend to stay home.
The first few days of September are messy. Strong cross-onshore winds and windswell. However, Saturday, September 5th shows some promise: a 3.0m ESE swell under glassy winds. That's a good sign, but it's over a week away, so take it with a grain of salt.
Crowds at Magna Tubes will be an issue for those primo windows, especially the 25th. Be ready to fight for your waves.
So, the pattern is spikey. We've got a couple of world-class windows for experts early and late, but a lot of wind-affected junk in between. The second week is a real question mark with that wind.
Rusty out.
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Sun night). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Sun night). | Days 5-7 Weather SummarySome drizzle, heaviest during Tue night. Warm (max 25°C on Thu afternoon, min 12°C on Mon night). Winds increasing (calm on Tue night, fresh winds from the E by Wed afternoon). | ||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||
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 11 | SW 11 | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 14 | SSW 16 | SSW 16 | SSW 12 | SSW 12 | SSW 12 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 650 | 1279 | 878 | 524 | 1376 | 1447 | 1545 | 1025 | 836 | 1912 | 3519 | 2270 | 3060 | 3736 | 4007 | 1839 | 1158 | 861 | 1048 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | 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 | off |
High Tide | 10:35PM1.00m | 12:36PM0.96m | 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 | ||||||
Low Tide | 5:54AM0.72m | 6:33PM0.74m | 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 | |||||||
 |  | |  |  | | | | | | | |  | | | | | | | |
 | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — |
 | 5:53 | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 15 | 17 | 17 | 16 | 17 | 16 | 14 | 17 | 18 | 14 | 15 | 17 | 16 | 17 | 18 | 16 | 20 | 25 | 21 |
Feels °C | 13 | 11 | 10 | 13 | 17 | 13 | 14 | 16 | 15 | 13 | 13 | 15 | 17 | 13 | 13 | 11 | 19 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 14 | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 14 | SSW 16 | SSW 16 | SSW 12 | SSW 12 | SSW 12 | E 9 |
| kJ | 650 | 362 | 878 | 524 | 1376 | 1447 | 1545 | 1025 | 836 | 1912 | 3519 | 2270 | 3060 | 3736 | 4007 | 1839 | 1158 | 861 | 805 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | E 4 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | SSW 14 | WSW 12 | E 10 | SSW 16 | SSW 15 | SW 13 | WSW 13 | WSW 13 | S 16 | S 16 | S 12 |
| kJ | 329 | 2 | 5 | 5 | 5 | 1 | 5 | 6 | 236 | 111 | 7 | 950 | 1726 | 679 | 357 | 249 | 507 | 600 | 1048 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | E 8 | — | SE 11 | E 9 | E 10 | — | E 9 | E 9 | — | — | — | WSW 12 | WSW 12 | WSW 12 |
| kJ | 5 | 5 | — | — | — | 6 | — | 4 | 7 | 2 | — | 7 | 2 | — | — | — | 131 | 81 | 77 |
Wind waves Height (m) Direction Period (s) | E 4 | SW 11 | WSW 7 | SW 8 | — | — | — | — | — | — | — | — | — | E 4 | E 4 | E 6 | E 7 | E 8 | — |
| kJ | 10 | 1279 | 701 | 494 | — | — | — | — | — | — | — | — | — | 9 | 50 | 266 | 321 | 787 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 30 | 258 | 141 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 173 | 198 | 562 | 141 | 173 | 141 | 0 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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