Surf Forecasts:
Super Tubes surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 2AM (local time) - 10ft (3.0m), 13s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 8AM (local time) - 10ft (3.0m), 14s period, SW swell with 3,373 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 2AM (local time) - 10ft (3.0m), 13s period with SW swell.
Best Forecast Surf Conditions for Super Tubes this week:
The surf forecast for Super Tubes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 2AM. The primary swell is predicted to be 3.0m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Super Tubes in the next 16 days are 3.0m 14s and forecast to arrive on Tuesday (Aug 25) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Wednesday (Aug 26) at 11PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 21st Aug) | 10ft (3.0m) 13s |
| Best Surf | 2AM (Fri 21st Aug) | 10ft (3.0m) 13s |
| Most Powerful | 8AM (Tue 25th Aug) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Super Tubes over the next 16 days.
The Lowdown
Alright, Rusty here with the Imperial take.
We’re looking at just one spot for the next 16 days, a proper reef and point. The first real surf is Friday morning, August 21st, with a solid 8ft SW groundswell at 12 seconds. The energy is 1742 (moderate-strong). The wind is a light cross-onshore, so the surface will have a little texture, but it’s still surfable. The water temp is about normal for this time of year.
Saturday morning, August 22nd, the swell is 8ft from the SW, period 11 seconds, but the wind is a strong 25 mph offshore. It’ll be clean, but paddling out will be a workout. By Saturday afternoon, the wind drops to 19 mph offshore, the swell is 5ft, and it’s clean. A better window.
Sunday morning, August 23rd, is a standout. The swell is 8ft from the SW, period 11 seconds, with a light 3 mph offshore wind. The energy is 1764 (moderate-strong). The conditions are excellent for experienced surfers. This is the one. The afternoon has a light cross-shore, but the swell holds.
Monday, August 24th, is another good one. Morning has a 7ft SW groundswell with a clean cross-offshore breeze, energy 1098 (moderate). The afternoon turns offshore with a 6ft swell. Very good.
Tuesday, August 25th, is the real gem. Morning is glassy, 3 mph wind, and a 10ft SW swell at 14 seconds. Energy hits 3180 (strong). This is big, powerful, and clean. Experts only. The afternoon stays clean with a 10ft swell and a cross-off breeze.
A lull hits from Wednesday, August 26th, through the end of the month. Onshore winds and fading swell. There’s a small window on Thursday, August 27th, with a morning glass-off and a 5ft S swell, period 11 seconds. Clean, but weak energy at 802.
The first week of September brings a new pulse. Wednesday, September 2nd, has a strong 28 mph offshore wind with a 7ft SW swell. Clean, but you’ll need to be fit. Thursday, September 3rd, is a standout. Morning has a 10ft SW swell with a moderate offshore breeze, energy 2200 (strong). The afternoon is even better with a 10ft WSW swell and a light cross-off breeze, energy at 3399 (strong). Excellent for experts.
Friday, September 4th, is for the brave. The swell is a massive 18ft from the SW at 14 seconds, but the wind is onshore. The energy is crazy at 12299 (very strong), but it’ll be a mess. Saturday, September 5th, has a 13ft SSW swell with a cross-shore wind, but it’s choppy.
The best of the best is Tuesday, August 25th, with that glassy 10ft SW groundswell, and Thursday, September 3rd, with the same size and clean winds. Super Tubes is a reef and point, so those long period swells (over 11 seconds) will wrap in and give you barrels. It’s very consistent, so you can trust it. It’s also often crowded, so expect company. For the advanced crew only when it’s over 8ft.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Sat morning, min 13°C on Thu night). Winds increasing (calm on Thu night, strong winds from the WSW by Sat afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Mon afternoon, min 12°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the E by Wed afternoon). | ||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 13 | SW 12 | SW 12 | SSW 11 | SW 11 | SW 12 | SW 9 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 11 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 2815 | 1742 | 1420 | 662 | 1466 | 742 | 904 | 1764 | 1562 | 1778 | 1094 | 836 | 1519 | 3180 | 2740 | 2310 | 1448 | 521 | 669 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | off | off | cross-off | off | cross | cross | cross-off | off | cross-off | glassy | cross-off | on | on | on | on |
High Tide | 8:17PM1.09m | 9:08AM0.94m | 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 | ||||||
Low Tide | 2:53AM0.70m | 3:08PM0.75m | 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 | |||||||
 |  | | |  | | | | | | | | | | |  | | | | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — |
 | 5:52 | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 14 | 17 | 17 | 15 | 16 | 16 | 14 | 17 | 18 | 14 | 15 | 17 | 16 | 17 | 17 | 16 |
Feels °C | 15 | 14 | 13 | 11 | 10 | 8 | 11 | 15 | 14 | 14 | 16 | 15 | 13 | 14 | 15 | 16 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SSW 11 | SSW 14 | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 11 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 12 | SSW 12 |
| kJ | 2815 | 1742 | 1420 | 662 | 362 | 742 | 407 | 1764 | 1562 | 1778 | 1094 | 836 | 1519 | 3180 | 2740 | 2310 | 1448 | 514 | 669 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | WSW 11 | E 4 | E 8 | E 8 | — | SW 14 | E 10 | SE 10 | SSW 14 | WSW 12 | E 10 | — | E 9 | SSW 16 | WSW 12 | WSW 12 |
| kJ | 12 | 6 | 5 | 329 | 2 | 5 | 5 | — | 395 | 2 | 4 | 183 | 147 | 7 | — | 2 | 337 | 521 | 251 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 8 | E 8 | — | E 8 | — | E 8 | — | E 9 | E 9 | E 10 | — | — | — | SSW 16 | SSW 15 | — |
| kJ | — | — | — | 5 | 5 | — | 5 | — | 1 | — | 2 | 2 | 2 | — | — | — | 446 | 419 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 4 | SW 11 | WSW 7 | SW 9 | — | — | — | — | SW 4 | — | — | — | — | E 4 | E 6 | E 7 |
| kJ | — | — | — | 11 | 1466 | 701 | 904 | — | — | — | — | 16 | — | — | — | — | 37 | 293 | 554 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 16 | 198 | 0 | 180 | 143 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 198 | 198 | 141 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Super Tubes Surf forecast
The above surf forecast table for Super Tubes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Super Tubes can be found by selecting the local surf guide option on the grey menu. Our Super 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 (Super 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 Super 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.
Super 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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