Surf Forecasts:
Magna Tubes surf forecast from 9 Sep 2026:
- Best quality surf: Friday 11 Sep, 8AM (local time) - 7ft (2.1m), 13s period, SW swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 2PM (local time) - 11ft (3.5m), 15s period, SW swell with 5,158 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 2PM (local time) - 2.5ft (0.7m), 14s 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 Wednesday (Sep 09) at 2PM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 1.0m and 9s. Another secondary swell of 0.8m and 11s is also forecast. 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 3.5m 15s and forecast to arrive on Wednesday (Sep 16) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 11s period and expected on Wednesday (Sep 16) at 8AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Wed 9th Sep) | 2.5ft (0.7m) 14s |
| Best Surf | 8AM (Fri 11th Sep) | 7ft (2.1m) 13s |
| Most Powerful | 2PM (Wed 16th Sep) | 11ft (3.5m) 15s |
Table - best surf conditions forecast for Magna Tubes over the next 16 days.
The Lowdown
Alright, I’m Rusty, and here’s how this 16-day stretch shakes out at Magna Tubes. This is a reef break, exposed to the south-east, and it’s strictly for the experienced crew.
The water is running at 55° Fahrenheit, which is a full 11 degrees colder than average for this time of year. That’s a brutal cold snap—don’t even think about a spring suit.
The first days, Wednesday the 9th and Thursday the 10th, are weak. Swell is in the knee-to-waist high range, and the conditions are just marginal. The wave energy is low to moderate, so you’re not missing anything.
Friday the 11th is where it’s at. A 7-foot SW swell rolls in with a 13-second period, giving it real power. The energy is strong, and the morning winds are light, blowing cross-offshore, leaving the faces clean. This is the top pick: head high and a half, solid groundswell, and clean. The afternoon gets a bit grotty with onshore wind.
Saturday the 12th? Forget it—onshore winds and poor conditions.
Sunday the 13th has a 7-foot SW swell with a very long 15-second period and strong energy, but the wind is messy—cross-shore in the morning, then onshore. Surfable, but not classic.
Monday the 14th and Tuesday the 15th bring a new E swell. Monday has 8-foot waves from the east with a 9-second period, light cross-off wind. Tuesday morning is the real gem: glassy calm, 5- to 6-foot E swell at 11 seconds. It’s not the ideal direction, but with zero wind, the reef will be smooth as silk. That’s a close second to Friday.
From Wednesday the 16th, it gets big. Wednesday afternoon sees a 13-foot SW swell with massive energy (6140). That’s huge, clean for a window, but then the wind turns onshore and stays howling from the east at 20-30 mph or more, right through to the end of the period. The last week is largely blown out, lumpy, and messy, with only a brief clean-up on Saturday the 19th morning with an 8-foot east swell.
Best bet? Friday 11th morning—clean, solid SW groundswell. Tuesday 15th morning is your glassy, easy-riding alternative. The rest is either for the brave in big stuff or just a kook’s paradise for windsurfing.
Rusty, out.
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 33°C on Wed afternoon, min 16°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the SW by Thu afternoon). | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Sun night. Warm (max 25°C on Sun afternoon, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | E 9 | SW 14 | SW 13 | SSW 17 | SW 16 | SW 14 | SW 13 | SW 12 | SW 12 | SW 14 | SW 14 | SSW 16 | SW 15 | SW 14 | E 9 | E 9 | E 10 | E 11 | E 11 | SW 12 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 171 | 355 | 326 | 481 | 1284 | 1657 | 1408 | 1450 | 736 | 305 | 1382 | 2856 | 1956 | 1761 | 1137 | 1026 | 1138 | 1137 | 599 | 494 | 885 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-on | on | on | on | cross | on | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-off |
High Tide | 2:48PM1.66m | 3:02AM1.61m | 3:22PM1.77m | 3:36AM1.66m | 3:54PM1.83m | 4:07AM1.67m | 4:24PM1.83m | 4:37AM1.64m | 4:53PM1.77m | 5:06AM1.58m | 5:20PM1.67m | 5:33AM1.48m | 5:46PM1.53m | ||||||||
Low Tide | 8:36AM0.13m | 9:01PM0.11m | 9:09AM0.03m | 9:35PM0.03m | 9:41AM-0.02m | 10:07PM-0.00m | 10:10AM-0.03m | 10:36PM0.01m | 10:39AM0.02m | 11:04PM0.07m | 11:06AM0.10m | 11:30PM0.16m | 11:33AM0.21m | 11:56PM0.27m | |||||||
 | |  | |  |  | |  |  | | |  | | | |  | | |  | | | |
 | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 4 | 5 | 1 | 1 | 2 | — | — |
Temp °C | 31 | 33 | 26 | 21 | 20 | 18 | 19 | 17 | 17 | 20 | 21 | 19 | 22 | 25 | 22 | 19 | 22 | 17 | 17 | 20 | 17 |
Feels °C | 27 | 31 | 26 | 19 | 17 | 17 | 18 | 15 | 15 | 19 | 19 | 16 | 22 | 25 | 21 | 17 | 23 | 15 | 18 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | SW 13 | SW 13 | SW 16 | SW 14 | SW 13 | SW 12 | SW 12 | SE 7 | SW 14 | SSW 16 | SW 15 | SW 14 | E 9 | SW 13 | E 10 | E 11 | E 11 | E 11 | SW 11 |
| kJ | 153 | 164 | 326 | 418 | 1284 | 1657 | 1408 | 1450 | 736 | 127 | 1382 | 2856 | 1956 | 1761 | 1137 | 543 | 1138 | 1137 | 599 | 451 | 763 |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 14 | E 9 | SSW 17 | SW 12 | E 9 | E 10 | E 10 | SE 6 | WSW 12 | SSW 19 | SE 12 | — | — | SW 14 | — | SW 12 | SW 12 | SW 12 | SW 12 | SW 17 |
| kJ | 145 | 355 | 136 | 481 | 393 | 64 | 56 | 49 | 113 | 280 | 295 | 6 | — | — | 976 | — | 437 | 309 | 273 | 494 | 885 |
Swell 3 Height (m) Direction Period (s) | SW 15 | WSW 11 | SE 9 | E 10 | E 10 | — | S 5 | — | ENE 10 | SW 14 | ENE 9 | — | — | — | — | — | — | — | SW 6 | SSW 21 | E 10 |
| kJ | 171 | 45 | 22 | 90 | 88 | — | 14 | — | 31 | 305 | 29 | — | — | — | — | — | — | — | 70 | 175 | 247 |
Wind waves Height (m) Direction Period (s) | — | — | — | W 5 | WSW 4 | SW 4 | — | SSE 7 | ENE 5 | E 6 | SE 7 | ESE 8 | E 8 | E 9 | — | E 9 | — | WSW 5 | — | — | — |
| kJ | — | — | — | 42 | 26 | 38 | — | 51 | 32 | 41 | 204 | 487 | 935 | 1018 | — | 1026 | — | 48 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 59 | 1 | 1 | 1 | 1 | 0 | 59 | 30 | 143 | 198 | 198 | 30 | 141 | 51 | 0 | 0 | 1 | 0 | 1 | 0 |
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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