Surf Forecasts:
Muizenberg surf forecast from 20 Aug 2026:
- Best quality surf: Saturday 22 Aug, 8PM (local time) - 4.5ft (1.4m), 11s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 20 Aug, 11AM (local time) - 8ft (2.4m), 13s period, SW swell with 1,903 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 5AM (local time) - 4ft (1.2m), 10s period with SSW swell.
Best Forecast Surf Conditions for Muizenberg this week:
The surf forecast for Muizenberg 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 1.2m and 10s period with a secondary swell of 0.4m and 14s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Muizenberg in the next 16 days are 2.4m 13s and forecast to arrive on Thursday (Aug 20) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Saturday (Aug 22) at 2PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 22nd Aug) | 4ft (1.2m) 10s |
| Best Surf | 8PM (Sat 22nd Aug) | 4.5ft (1.4m) 11s |
| Most Powerful | 11AM (Thu 20th Aug) | 8ft (2.4m) 13s |
Table - best surf conditions forecast for Muizenberg over the next 16 days.
The Lowdown
G’day, it’s Rusty here.
Alright, so the next 16 days at Muizenberg are a bit of a mixed bag. The water’s a chilly 57°, which is over 3 degrees colder than normal for this time of year, so bring the booties. We’ve got some serious swell coming, but the wind is going to be the deciding factor for the first week or so.
The next few days are mostly a loss. Thursday the 20th has a solid 2.4m of SW swell, but the SSE cross-onshore breeze is going to chop it up into a mess. That lasts through the weekend. Saturday the 22nd is the only bright spot early on, with a tiny 1.0m SSW swell and a light offshore NW wind in the morning. It’s small and clean, perfect for a longboard, but nothing epic. Then the wind turns onshore again and we’re back to blown-out conditions.
The first real standout is Tuesday the 2nd of September. The long-period SW groundswell kicks in hard, building from 2.4m in the morning to a powerful 3.0m by the afternoon. Combined energy is strong at 2210 and 3331. With a clean offshore NW wind, this is a proper, powerful, clean surf. It’s strictly for experts at this size, but the shape and the juice will be there.
That leads right into a perfect Wednesday the 3rd. The swell drops a bit to 2.3m, but the wind goes totally glassy, dead calm, with a solid 14-second period. This is the cleanest, most perfect session of the whole run. Still big, but absolutely pristine. You want your best board for this one.
After that, the swell backs down to around 1.9m by Thursday the 4th with a light cross-onshore wind. It’s still fun, but not the same quality. Looking further out, there’s another pulse of long-period swell on the radar, but that’s a long way off, so I’d treat that as promising but not locked in.
So, if you can pick your days, the 2nd and 3rd of September are the ones. The rest is either too small, too windy, or too messy. Actually, Saturday the 22nd might be your only small-wave option for a while.
Rusty out.
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the SSE on Mon night, light winds from the NNE by Tue night). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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 13 | SW 12 | SSW 12 | SW 11 | SSW 11 | SW 11 | SSW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | WSW 12 | WSW 11 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1903 | 1225 | 769 | 437 | 193 | 172 | 294 | 343 | 603 | 772 | 838 | 551 | 211 | 140 | 566 | 984 | 706 | 553 | 264 | 226 | 177 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | cross-on | off | cross-off | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-off | off | off |
High Tide | 8:03AM0.99m | 8:29PM1.04m | 9:44AM0.92m | 10:23PM0.98m | 11:54AM0.96m | 00:06AM1.03m | 12:59PM1.06m | 1:02AM1.13m | 1:37PM1.18m | 1:41AM1.24m | 2:08PM1.31m | 2:13AM1.33m | 2:37PM1.42m | 2:44AM1.41m | |||||||
Low Tide | 1:54PM0.62m | 3:16AM0.62m | 3:47PM0.71m | 5:32AM0.62m | 6:06PM0.66m | 6:46AM0.52m | 7:07PM0.56m | 7:28AM0.41m | 7:45PM0.45m | 7:59AM0.31m | 8:17PM0.34m | 8:28AM0.21m | 8:47PM0.25m | ||||||||
 | |  | | |  | |  | | | | | | | | | | | | | | |
 | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — |
 | — | 6:19 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 13 | 16 | 14 | 15 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 16 | 24 | 24 | 26 | 27 | 18 |
Feels °C | 12 | 11 | 9 | 9 | 13 | 12 | 13 | 15 | 15 | 12 | 11 | 10 | 9 | 8 | 7 | 12 | 21 | 22 | 22 | 23 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SSW 12 | SW 11 | SSW 11 | SSW 10 | SSW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SSW 11 | WSW 11 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 12 | SSW 11 | S 11 |
| kJ | 1903 | 1225 | 769 | 437 | 193 | 167 | 294 | 343 | 603 | 772 | 838 | 551 | 211 | 140 | 566 | 984 | 706 | 553 | 264 | 217 | 143 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 11 | SW 11 | WSW 10 | SW 17 | SW 14 | SW 14 | — | SW 14 | WSW 12 | SW 10 | SW 10 | SSW 18 | SSW 16 | SE 6 | SSW 12 | WSW 12 | WSW 12 |
| kJ | — | — | — | — | 172 | 172 | 62 | 11 | 211 | 103 | — | 33 | 203 | 108 | 127 | 124 | 144 | 59 | 230 | 226 | 177 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SSW 13 | — | — | — | — | — | — | — | SSW 14 | WSW 11 | — | SSW 10 | SE 6 | SE 5 | — | SW 19 |
| kJ | — | — | — | — | — | 69 | — | — | — | — | — | — | — | 79 | 68 | — | 10 | 19 | 7 | — | 14 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 3 | SE 5 | SSE 5 | — | — | — | — | — | S 4 | SSE 4 | SSE 4 | SSE 5 | SE 5 | SE 6 | SE 6 | ESE 6 | — | — | ESE 3 |
| kJ | — | — | 2 | 32 | 49 | — | — | — | — | — | 11 | 16 | 16 | 39 | 80 | 89 | 147 | 128 | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 14 | 11 | 11 | 35 | 8 | 0 | 0 | 11 | 14 | 11 | 11 | 68 | 335 | 21 | 11 | 11 | 11 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Muizenberg Surf forecast
The above surf forecast table for Muizenberg provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Muizenberg can be found by selecting the local surf guide option on the grey menu. Our Muizenberg 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 (Muizenberg) 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 Muizenberg 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 Muizenberg, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 19 km (12 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Bellville which is 27 km (17 miles) away, Robben Island, Kayamnandi and Stellenbosch.
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