Surf Forecasts:
Koeel Bay surf forecast from 14 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 8AM (local time) - 5ft (1.6m), 13s period, WSW swell with offshore winds.
- Most powerful swell: Friday 21 Aug, 8PM (local time) - 7ft (2.2m), 16s period, SW swell with 2,233 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 5AM (local time) - 3ft (0.9m), 14s period with SW swell.
Best Forecast Surf Conditions for Koeel Bay this week:
The surf forecast for Koeel Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 15) at 5AM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 0.3m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Koeel Bay in the next 16 days are 2.2m 16s and forecast to arrive on Friday (Aug 21) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Wednesday (Aug 19) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 15th Aug) | 3ft (0.9m) 14s |
| Best Surf | 8AM (Tue 18th Aug) | 5ft (1.6m) 13s |
| Most Powerful | 8PM (Fri 21st Aug) | 7ft (2.2m) 16s |
Table - best surf conditions forecast for Koeel Bay over the next 16 days.
The Lowdown
Alright, surf is finally gonna show up around here after a bit of a slow start. We’ve got a 16-day window, and the first few days are a write-off with junk wind and lumpy conditions. It’s not until Saturday the 15th that we get a real chance to paddle out, and even then it’s small. The real juice shows up later, though, so let’s break it down.
The first real opportunity is Saturday morning the 15th at Koeel Bay (Koeel-Bay). It’s early, so don’t expect much—just 3ft of swell from the SW with a 14-second period, but the wind is glassy, which makes it clean. The water is running much colder than normal for this time of year, sitting at 56°F, a solid 4°F below average, so grab the booties. The energy is weak at this point, only 292 units, so it’s really about getting a few clean ones on a longboard. Not a standout, just a warm-up.
Sunday the 16th is a step back—cross-onshore wind kicks up, and the swell bumps slightly to 3-4ft, but it’s lumpy and choppy. Not worth your time.
Monday the 17th is where things start to get interesting. Morning has that glass again, swell pushes to 5ft from the SW at 13 seconds, and the energy is building—721 units. It’s clean and should be fun. The afternoon goes cross-off with a light breeze, and the energy jumps to 1185, making it a solid session for intermediate surfers. This is the first day I’d actually get excited about a proper surf.
Tuesday the 18th is arguably the pick of the first week. Morning has light offshore wind from the SE, 5ft of SW swell at 12 seconds, and a big energy jump to 1228. Clean lines, good shape. Afternoon drops slightly in energy to 746 but still cross-off and clean. This is a standout—definitely one of the best on offer so far.
Then we hit a bit of a lull from Wednesday the 19th through Friday the 21st. The swell drops back, the winds get messy, and it’s mostly marginal or poor. Don’t bother.
Now, the big one. Saturday the 22nd. This is the standout of the whole forecast. Swell jumps to 10-12ft from the SSW with a 16-second period, and the energy is huge—5174 in the morning, ramping to 6290 in the afternoon. This is a serious groundswell. The wind is cross-off and clean, which is rare for a swell this size. This is only for experienced surfers—at 12ft, it’s well over the 8ft mark, so it’s expert territory only. Koeel Bay is a reef, so this kind of swell with this period is going to line up nicely. But be aware, at this size it’s not just big, it’s powerful. The morning might be the smarter window before the afternoon peak.
Sunday the 23rd is still big—10ft in the morning with clean cross-off winds, energy at 3580. Still expert stuff, but the afternoon drops to 8ft and gets a bit more manageable, though it’s marked as marginal. If you’re good, the morning is the session.
Monday the 24th is still big at 7ft, clean offshore in the morning with energy at 1650. This is more manageable for strong intermediates, but still a step up. Afternoon drops slightly and gets a bit more cross-off.
From Tuesday the 25th onwards, it eases off. Tuesday is a fun 5ft with clean conditions, good for a push. Wednesday the 26th is another standout—morning is totally glassy with 6ft of SW swell and 1127 energy, then the afternoon pushes to 7ft with clean cross-off winds and 1610 energy. That’s a really good day for anyone with a bit of experience.
The last few days, from the 27th to the 29th, fade out. Winds get messy, swell drops back to 3-5ft, and it’s back to ordinary conditions. Not worth planning around.
So, overall: the real gems are the 18th, the 22nd, and the 26th. The 22nd is the big one for experts, the 18th is the cleanest fun-size day, and the 26th is a great all-rounder. First week has a slow start, second week has the punch.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Wed afternoon, min 13°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||
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 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 15 | SW 15 | SW 14 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 |
Wave Graph | ||||||||||||||||||||
355 | 308 | 268 | 382 | 412 | 429 | 543 | 1034 | 721 | 572 | 637 | 659 | 905 | 811 | 607 | 522 | 441 | 429 | 436 | 298 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | off | cross-off | off | off | cross-off | glassy | cross-on | glassy | cross-on |
High Tide | 4:30PM1.72m | 4:46AM1.53m | 5:05PM1.67m | 5:21AM1.45m | 5:39PM1.58m | 5:56AM1.35m | 6:13PM1.45m | 6:31AM1.23m | 6:48PM1.31m | 7:09AM1.12m | 7:28PM1.17m | 8:00AM1.00m | 8:28PM1.05m | |||||||
Low Tide | 10:47PM0.04m | 10:51AM0.05m | 11:22PM0.10m | 11:23AM0.14m | 11:56PM0.20m | 11:55AM0.25m | 00:29AM0.31m | 12:27PM0.38m | 1:05AM0.43m | 1:02PM0.51m | 1:50AM0.55m | 1:51PM0.63m | 3:13AM0.64m | |||||||
— | — | 7:24 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | |
6:13 | — | — | 6:14 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 15 | 17 | 16 | 17 | 20 | 16 | 17 | 18 | 15 | 16 | 19 | 16 | 18 | 20 | 18 | 18 | 18 | 16 |
Feels °C | 13 | 12 | 14 | 16 | 16 | 13 | 16 | 13 | 16 | 17 | 15 | 14 | 16 | 13 | 16 | 17 | 17 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 15 | SW 15 | SW 14 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 |
355 | 308 | 268 | 382 | 412 | 429 | 543 | 1034 | 721 | 572 | 637 | 659 | 905 | 811 | 607 | 522 | 441 | 429 | 436 | 298 | |
Swell 2 Height (m) Direction Period (s) | W 6 | W 6 | WSW 7 | ESE 10 | SSE 4 | ESE 10 | — | — | — | SW 16 | SW 16 | WSW 12 | — | — | SSW 12 | — | SSE 6 | SE 4 | — | SW 20 |
7 | 7 | 16 | 9 | 2 | 9 | — | — | — | 118 | 201 | 545 | — | — | 563 | — | 11 | 10 | — | 15 | |
Swell 3 Height (m) Direction Period (s) | SE 12 | ESE 9 | ESE 9 | — | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 | 17 | 8 | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNW 3 | — | — | — | — | NNW 3 | WNW 3 | NNW 2 | — | — | — | SE 3 | SSE 4 | SE 4 | SE 4 | SSE 5 | ESE 5 | — | — | — |
5 | — | — | — | — | 3 | 4 | 1 | — | — | — | 3 | 40 | 28 | 14 | 71 | 17 | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 19 | 4 | 0 | 0 | 14 | 18 | 14 | 4 | 14 | 29 | 0 | 0 | 186 | 0 | 0 | 10 | 0 | 29 | 0 | 4 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Koeel Bay Surf forecast
The above surf forecast table for Koeel Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Koeel Bay can be found by selecting the local surf guide option on the grey menu. Our Koeel Bay 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 (Koeel Bay) 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 Koeel Bay 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.
Koeel Bay is 18 km (11 miles) from the city of Grabouw. If you plan a holiday in Overberg, look for hotels and other accommodation in Grabouw. Grabouw has rooms for a wide range of budgets as well as car hire and transport links.











