
Surf Forecasts:
Off The Wall surf forecast from 13 Sep 2026:
- Best quality surf: Sunday 13 Sep, 5PM (local time) - 6ft (1.8m), 14s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 15 Sep, 11PM (local time) - 10ft (3.0m), 15s period, WSW swell with 3,879 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 5PM (local time) - 6ft (1.8m), 14s period with SW swell.
Best Forecast Surf Conditions for Off The Wall this week:
The surf forecast for Off The Wall over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 13) at 5PM. The primary swell is predicted to be 1.8m and 14s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Off The Wall in the next 16 days are 3.0m 15s and forecast to arrive on Tuesday (Sep 15) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Thursday (Sep 17) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sun 13th Sep) | 6ft (1.8m) 14s |
| Best Surf | 5PM (Sun 13th Sep) | 6ft (1.8m) 14s |
| Most Powerful | 11PM (Tue 15th Sep) | 10ft (3.0m) 15s |
Table - best surf conditions forecast for Off The Wall over the next 16 days.
The Lowdown
G’day, Rusty here. Looks like the next couple of weeks are going to have a bit of everything for Off The Wall, but you’ve got to pick your moments.
The water is sitting at 56°F, which is a solid 4°F colder than normal for this time of year—definitely a notable chill, so you’ll want a good steamer. The real standout is the last weekend of the month, where a big, long-period groundswell lines up with clean offshore winds. That’s the one to circle on the calendar.
We’re kicking off this Sunday the 13th. Morning is a bit average—cloudy, with a slight cross-shore breeze and 7ft SW swell (period 14 seconds). The combined energy is strong at 1865. It’s not firing on all cylinders. But by the afternoon, the wind goes glassy, the swell drops to a cleaner 6ft from the SW, still with that nice 14-second period, and the energy is still solid at 1201. That afternoon session will be well worth it for the experienced crew.
Monday the 14th and Tuesday the 15th are write-offs. Strong cross-onshore winds from the NNW, 15 to 19 mph, chop everything up. Swell drops right off, and the energy is weak. Don’t bother.
Wednesday the 16th through to Friday the 18th sees a return of clean, offshore winds from the SSE, blowing 19 to 22 mph. Swell sits around 5ft to 6ft from the SW and WSW, with periods of 11 to 14 seconds. Wave energy is moderate to strong (830 to 2399). The wind is fresh and the surf is clean, but the quality is only marginal—it’s more for the committed surfer than a standout session.
Saturday the 19th is a beauty. Glassy in the morning with a clean 5ft SW swell (period 12 seconds) and energy at 1028. By the afternoon, a light cross-off breeze from the SSW picks up, and the swell bumps to 6ft from the SW (period 13 seconds, energy 1074). Clean conditions, and the waves will be well-shaped for the advanced surfer. This is a good day.
Sunday the 20th is okay—onshore wind in the morning, then a light cross-on breeze in the afternoon with a 6ft SW swell (period 13 seconds). Nothing special.
Monday the 21st has moderate cross-off winds from the SSE, 16 to 22 mph, with a 7ft WSW swell (period 14 seconds, energy 1670). Clean but a bit lumpy from the wind. Not a standout.
Now, here’s the real highlight. Tuesday the 22nd starts with a light cross-off breeze and a 6ft WSW swell (period 13 seconds, energy 2034). But the afternoon is where it gets serious—the swell jumps to 10ft from the SW with a period of 16 seconds and massive energy at 4038. That’s a powerful, long-period groundswell. Winds are moderate cross-off from the SSW. This is big, so only for the experienced. At this size, with a long period, the reef will handle it beautifully, but it could be a bit too much for beginners.
Wednesday the 23rd and Thursday the 24th keep the offshore flow going from the SSE. Swell stays solid at 7ft to 8ft from the SW and SSW, with periods around 12 to 14 seconds. Energy is strong (1346 to 2344). Clean conditions, good for the advanced crew.
Friday the 25th is okay but fading—offshore in the morning, then cross-off in the afternoon, with swell dropping to 5ft.
Now, the big one. Saturday the 26th morning is an absolute cracker. Light offshore breeze from the SSE, an 8ft SW swell with a long 16-second period, and energy at 3357. That’s a serious groundswell with clean conditions—perfect for the experts. By the afternoon, it gets even bigger at 10ft from the SW (period 15 seconds, energy 4101), but the wind picks up to a moderate cross-off, so the morning window is the pick.
Sunday the 27th is also excellent. Gentle offshore winds in the morning with an 8ft SW swell (period 14 seconds, energy 2633). Afternoon sees moderate offshore winds and a 8ft WSW swell (period 14 seconds, energy 2156). Two solid days of quality surf.
Monday the 28th is a no-go—strong onshore winds from the NNW at 19 mph, with a big, messy 10ft to 12ft swell. Poor conditions.
Overall, the best on offer is Saturday the 26th morning and Sunday the 27th. That’s where you’ll find the biggest, cleanest, and most powerful swell of the run. For a mid-range option, Tuesday the 22nd afternoon is also a standout for the experienced. Crowds are sometimes an issue at Off The Wall, so be prepared for company on the best days.
Rusty.
Short Range ForecastHeavy rain (total 32mm), heaviest during Tue night. Warm (max 21°C on Sun morning, min 12°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the NNW by Tue afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Fri afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the SE on Wed night, light winds from the E by Fri night). | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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) | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | NW 7 | SW 18 | SW 16 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 |
Wave Graph | |||||||||||||||||||||
1787 | 1119 | 663 | 473 | 309 | 251 | 246 | 1210 | 3761 | 1941 | 865 | 911 | 913 | 726 | 673 | 1307 | 1144 | 971 | 551 | 1053 | 809 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | off | off | off | off | off | off | off | off | cross-off | glassy | cross-off | cross-off |
High Tide | 4:37PM1.83m | 4:54AM1.67m | 5:08PM1.74m | 5:25AM1.58m | 5:38PM1.62m | 5:57AM1.48m | 6:09PM1.50m | 6:32AM1.36m | 6:43PM1.36m | 7:19AM1.25m | 7:33PM1.24m | 8:50AM1.17m | 9:28PM1.15m | ||||||||
Low Tide | 10:23AM0.31m | 10:48PM0.33m | 10:52AM0.38m | 11:17PM0.41m | 11:21AM0.48m | 11:46PM0.52m | 11:50AM0.60m | 00:18AM0.63m | 12:24PM0.73m | 00:57AM0.74m | 1:11PM0.85m | 2:06AM0.84m | 3:12PM0.95m | 4:29AM0.87m | |||||||
6:48 | — | — | 6:48 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | |
— | 6:36 | — | — | 6:36 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:39 | — | |
mm | — | 2 | 1 | 1 | — | — | — | — | 28 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 18 | 16 | 16 | 17 | 15 | 15 | 15 | 15 | 13 | 14 | 14 | 14 | 16 | 14 | 15 | 18 | 16 | 16 | 18 | 19 |
Feels °C | 21 | 17 | 16 | 12 | 12 | 10 | 10 | 10 | 10 | 8 | 6 | 6 | 7 | 8 | 7 | 9 | 11 | 11 | 14 | 14 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 11 | SW 11 | SW 16 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 |
1787 | 1119 | 663 | 473 | 309 | 250 | 168 | 1210 | 3761 | 1941 | 865 | 911 | 913 | 726 | 673 | 1307 | 1144 | 971 | 551 | 1053 | 809 | |
Swell 2 Height (m) Direction Period (s) | SSE 8 | S 7 | SSE 7 | SE 8 | SSE 8 | S 13 | SW 18 | WSW 7 | SW 15 | WSW 13 | W 13 | W 13 | W 12 | W 12 | W 11 | W 20 | SW 18 | SSE 6 | SW 14 | SE 6 | SE 6 |
78 | 38 | 28 | 16 | 6 | 3 | 246 | 62 | 479 | 458 | 799 | 389 | 144 | 104 | 21 | 7 | 49 | 69 | 459 | 21 | 11 | |
Swell 3 Height (m) Direction Period (s) | — | SSE 8 | SE 11 | SE 11 | SE 13 | — | ESE 13 | SE 13 | SE 13 | — | — | — | — | — | — | — | — | SW 16 | SSE 7 | — | — |
— | 44 | 33 | 33 | 7 | — | 16 | 7 | 7 | — | — | — | — | — | — | — | — | 208 | 18 | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | NNW 4 | NW 5 | NW 6 | NW 7 | NW 7 | NW 6 | — | SE 4 | S 7 | SSE 6 | SE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | — | — | — |
— | — | 17 | 76 | 212 | 251 | 206 | 251 | — | 17 | 378 | 175 | 119 | 163 | 183 | 112 | 211 | 186 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 0 | 5 | 23 | 191 | 74 | 191 | 234 | 9 | 202 | 345 | 14 | 14 | 178 | 0 | 14 | 11 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Off The Wall Surf forecast
The above surf forecast table for Off The Wall provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Off The Wall can be found by selecting the local surf guide option on the grey menu. Our Off The Wall 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 (Off The Wall) 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 Off The Wall 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.
Are you planning a holiday in Cape Town? If you are looking for accommodation near Off The Wall, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 8 km (5 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 12 km (7 miles) away, Bellville, Atlantis and Kayamnandi.










