Magna Tubes Surf Break

Lat Long: 34.03° S 24.93° E

Magna Tubes Surf Forecast and Surf Report

Issued: 1 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Magna Tubes sea temperature is
14.4° C
4.5° 

Magna Tubes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Magna Tubes surf forecast from 10 Aug 2026:

  • Best quality surf: Friday 14 Aug, 5AM (local time) - 5ft (1.5m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 11 Aug, 8AM (local time) - 11ft (3.5m), 13s period, S swell with 3,583 kJ wave energy.
  • Next surfable swell (1★+): Friday 14 Aug, 5AM (local time) - 5ft (1.5m), 16s 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 Friday (Aug 14) at 5AM. The primary swell is predicted to be 1.5m and 16s period with a secondary swell of 2.0m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Magna Tubes in the next 16 days are 3.5m 13s and forecast to arrive on Tuesday (Aug 11) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 14s period and expected on Monday (Aug 17) at 5AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 14th Aug)5ft (1.5m) 16s
Best Surf 5AM (Fri 14th Aug)5ft (1.5m) 16s
Most Powerful 8AM (Tue 11th Aug)11ft (3.5m) 13s

Table - best surf conditions forecast for Magna Tubes over the next 16 days.


The Lowdown

Right then, let’s have a look at what’s on offer over the next couple of weeks. It’s a bit of a mixed bag, if I’m honest, with a rough start but some real promise if you’re patient.

Right now, Monday the 10th, the swell is actually there at Magna-Tubes – we’re looking at 8 ft from the SW with a period of 12 seconds and a cross-on wind, so it’s messy. The water is a frigid 58°, which is 8° colder than normal for this time of year, so that’s very unusual. You’ll need a thick hooded suit for sure. The combined energy is a hefty 1862, so there’s plenty of push, but the quality is poor. That sets the tone for the first few days, honestly.

Tuesday the 11th sees the swell easing a bit, 8 ft on the morning and 6 ft in the afternoon, but that easterly wind just ruins it. Wednesday the 12th is even worse – the swell is small but messy, with a 19 mph cross-on wind. Not a time to be out there unless you’re keen on a beating.

We finally get a glimmer on Thursday the 13th morning. The swell picks back up to 5 ft from the SW, the period stretches to 16 seconds, but it’s still a cross-on wind, and the energy is massive at 2573. It’s marginal at best.

Friday the 14th is where it starts to turn. That morning session is the first real standout. We’ve got a clean 5 ft SW swell coming in at 16 seconds, with a light cross-offshore breeze from the north. The combined energy is 1917, so there’s plenty of grunt. The water temperature is still cold, but the conditions are clean and excellent for experienced surfers.

Saturday the 15th stays clean but the swell drops a little to 4 ft. It’s not a standout, but it’s a decent small-wave option.

Now, the big one hits on Monday the 17th afternoon. This is the best of the forecast. We’re looking at 8 ft of SW groundswell with a 16-second period, and the wind is a light cross-offshore from the southwest. The combined energy is 2982. It will be big, powerful, and clean – keep in mind that long period swell can break a bit straight at beach breaks, but at a reef like Magna-Tubes, it should be firing. This is for experienced surfers only.

Tuesday the 18th is a great follow-up. The morning is clean with a 7 ft SW swell and a light cross-offshore wind. Energy is still strong at 1928.

From Wednesday the 19th, it goes flat and messy again for a few days with rain and strong onshore winds, especially Thursday the 20th with winds hitting 25 mph. Not worth paddling.

Then we see another potential on Saturday the 22nd morning. It’s a clean 6 ft from the SE with a light cross-offshore breeze. The period is a shorter 9 seconds, but the conditions are good. The energy is moderate at 866.

The 16-day window closes out with a massive pulse on Monday the 24th and Tuesday the 25th. We’re talking 10 ft to 12 ft of SW swell, with very high combined energy over 4000. Unfortunately, the wind is onshore or cross-onshore, making it messy and dangerous. That’s one for the experts only in a chase boat.

In short: don’t bother until Friday the 14th morning for a small clean wave. The absolute standout is Monday 17th afternoon and Tuesday 18th morning. After that, keep an eye on Saturday 22nd morning. The rest is a write-off.

Rusty.

Short Range Forecast

Light rain (total 9mm), mostly falling on Mon morning. Very mild (max 18°C on Wed afternoon, min 11°C on Mon morning). Winds increasing (light winds from the SW on Mon morning, fresh winds from the E by Wed afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 29°C on Sat afternoon, min 12°C on Thu morning). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
0
0
0
0
0
0
2
0
3
4
2
4
2
2
3
1
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SW
12
3
SSW
11
3.5
S
11
2.3
SSW
13
1.9
SSW
12
2.3
ESE
8
0.9
SSW
21
1.1
SSW
19
1.5
SSW
17
1.6
SW
16
1.9
SW
17
1.6
SW
16
1.4
SW
16
1.3
SW
16
1.3
SW
14
1.2
SW
14
1.2
SW
13
2.1
E
8
1.6
E
9
1.2
SW
13
1.4
SW
14
Wave Graph
Metric surfscale
Energy kJ
1645
2155
3102
1775
1022
604
712
922
1294
1271
2054
1347
942
853
746
532
525
559
373
509
752
Wind (km/h)
20
S
20
SE
20
ESE
20
E
30
E
20
ENE
30
ENE
35
E
25
NE
15
NE
20
E
10
NE
15
N
10
NE
15
NNW
15
NNW
10
NE
10
N
20
NNW
20
SW
15
W
Wind State
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-on
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
High Tide
2:20PM1.42m
2:35AM1.53m
3:04PM1.59m
3:18AM1.63m
3:44PM1.72m
3:57AM1.68m
4:20PM1.79m
4:32AM1.68m
4:55PM1.81m
5:06AM1.63m
5:28PM1.77m
5:38AM1.56m
5:59PM1.67m
Low Tide
8:08AM0.28m
8:27PM0.28m
8:52AM0.14m
9:13PM0.15m
9:31AM0.03m
9:54PM0.07m
10:06AM-0.03m
10:32PM0.03m
10:40AM-0.04m
11:06PM0.05m
11:11AM-0.00m
11:39PM0.11m
11:41AM0.08m
00:10AM0.20m
light rain
light rain
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:03
7:03
7:01
7:01
7:00
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:46
5:47
5:49
5:50
5:50
 mm
3
2
4
Temp °C
13
13
14
14
15
14
15
18
15
17
22
19
24
27
25
26
29
25
27
30
17
Feels °C
8
8
9
9
9
9
9
11
9
14
18
16
20
24
21
21
25
21
22
26
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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