Surf Forecasts:
Koeel Bay surf forecast from 23 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 2AM (local time) - 5.5ft (1.7m), 14s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 25 Aug, 2AM (local time) - 5.5ft (1.7m), 14s period, SSW swell with 1,142 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 11PM (local time) - 4ft (1.2m), 12s 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 Sunday (Aug 23) at 11PM. The primary swell is predicted to be 1.2m and 12s period. 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 1.7m 14s and forecast to arrive on Tuesday (Aug 25) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Tuesday (Aug 25) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 23rd Aug) | 4ft (1.2m) 12s |
| Best Surf | 2AM (Tue 25th Aug) | 5.5ft (1.7m) 14s |
| Most Powerful | 2AM (Tue 25th Aug) | 5.5ft (1.7m) 14s |
Table - best surf conditions forecast for Koeel Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what Koeel Bay has in store for us over the next couple of weeks. It’s a bit of a slow burner, but there are a couple of windows where it gets real good. Don't get too excited about the first few days, because the surf is pretty uninspiring to kick things off, but we’ll get there.
Monday the 24th is a write-off, to be honest. The swell is just over 4ft from the SW, but with a cross-off breeze, the wave energy is moderate (450), and the call says it’s marginal. Not worth getting wet for.
Tuesday the 25th is where things start to look up. The morning brings a solid 5ft SW groundswell with a very long 15-second period, and the wind is offshore from the SE. The energy jumps right up (1260), and the report says it’s *very good* surf conditions. This is it, the first stand-out. For an intermediate, this is going to be pumping, with clean, lined-up waves. The water temp is about average for the time of year.
Wednesday the 26th offers a bit of a mixed bag. The morning has a short period 5ft SE windswell and a strong offshore wind – it’s clean but the period is only 7 seconds, so it’ll be a bit fat and weak. The afternoon is the real surprise: tiny waves at 2ft, but a very long 16-second period from the S and offshore wind. The energy is still moderate (718), and the conditions are described as *very good*. That’s a funky little combo.
Thursday the 27th and Friday the 28th are a tale of two different winds. Thursday is a complete bust with onshore and cross-onshore winds. Friday, however, looks excellent. Morning has light offshore wind with 4ft S swell and decent period, then the afternoon goes glassy – dead calm, clean as a whistle, with 3ft S swell. That’s a beautiful, small-wave session on the cards.
Saturday the 29th through Monday the 1st of September is a pretty bleak stretch. Onshore winds, messy conditions, and rain showers on Sunday. There’s a gap of several days here where you just wouldn't bother.
But hold on, because Tuesday the 1st of September afternoon is another absolute standout. The wind goes dead calm – glassy – and the swell jumps to 5ft from the SW with a solid 12-second period. The wave energy is strong (777), and it’s calling for *very good* surf. This is a top pick: clean, powerful, and with those conditions, the lineup might not be too crowded.
Wednesday the 2nd sees the return of howling onshore gales (34 mph!), so don’t even look at the ocean. Thursday the 3rd is a mess, and by the afternoon the swell is a massive 12ft from the SSW (energy up at 3801!), but the wind is cross-onshore and it’s flagged as being too big for Koeel Bay anyway. This is expert-only territory if anything, and more likely a kite-surfing day.
Friday the 4th is a step down with a 7ft S swell, but the wind is light onshore, making it marginal. Saturday the 5th is cross-onshore and choppy again.
Now, look ahead to Sunday the 6th of September. This is the second true standout in the long-range. Morning glass – dead calm – with a 6ft SW groundswell at a nice 13-second period. The energy is strong (1272), and the report says *very good* surf. This is a serious session, but being a week and a half out, lock it in mentally but keep an eye on the forecast for any changes.
Monday the 7th and Tuesday the 8th round things out with clean conditions and smaller swell, finishing with a glassy 5ft SSE swell on Tuesday morning.
So, the best bets? Tuesday 25th morning for a solid, clean groundswell, and Tuesday 1st September afternoon for glassy perfection. Keep your eyes on Sunday 6th September, too.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Wed afternoon, min 11°C on Mon night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Fri afternoon, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||
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 12 | SW 11 | SW 11 | SSW 14 | SW 15 | SW 14 | SW 13 | SE 7 | S 16 | SE 8 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 14 | SW 13 | SW 14 | SW 13 |
Wave Graph | |||||||||||||||||||
396 | 325 | 297 | 1142 | 1034 | 605 | 543 | 261 | 245 | 418 | 418 | 418 | 344 | 277 | 223 | 158 | 136 | 203 | 183 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-on | on | cross-off | off | glassy | cross-on | cross-on | on | cross-on |
High Tide | 1:05AM1.15m | 1:38PM1.20m | 1:43AM1.25m | 2:09PM1.32m | 2:15AM1.35m | 2:37PM1.44m | 2:45AM1.43m | 3:05PM1.54m | 3:15AM1.49m | 3:33PM1.62m | 3:45AM1.53m | 4:02PM1.66m | 4:15AM1.53m | ||||||
Low Tide | 7:28AM0.43m | 7:45PM0.45m | 8:00AM0.32m | 8:17PM0.34m | 8:28AM0.22m | 8:47PM0.24m | 8:55AM0.14m | 9:16PM0.16m | 9:22AM0.08m | 9:45PM0.10m | 9:49AM0.06m | 10:14PM0.07m | |||||||
— | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | |
6:19 | — | 6:20 | — | — | 6:21 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Temp °C | 13 | 16 | 17 | 13 | 16 | 20 | 15 | 16 | 22 | 19 | 22 | 25 | 19 | 25 | 28 | 27 | 21 | 21 | 15 |
Feels °C | 11 | 13 | 13 | 9 | 12 | 15 | 11 | 11 | 19 | 17 | 18 | 20 | 17 | 22 | 26 | 23 | 16 | 17 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SSW 14 | SW 15 | SW 14 | SW 13 | SW 13 | SSW 11 | SSW 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | SSE 11 | SW 14 | SW 13 |
396 | 325 | 297 | 1142 | 1034 | 605 | 543 | 196 | 167 | 361 | 418 | 418 | 344 | 277 | 223 | 100 | 130 | 203 | 183 | |
Swell 2 Height (m) Direction Period (s) | — | SSW 14 | SSW 14 | W 11 | SSW 16 | SSW 15 | S 6 | SSW 11 | S 16 | SE 7 | SW 12 | SW 16 | WSW 11 | SW 16 | WSW 14 | SW 14 | SW 13 | S 11 | WSW 6 |
— | 125 | 180 | 121 | 226 | 123 | 17 | 128 | 245 | 65 | 35 | 11 | 23 | 65 | 131 | 158 | 136 | 86 | 13 | |
Swell 3 Height (m) Direction Period (s) | — | — | SW 15 | — | — | — | SSW 16 | S 16 | WSW 12 | S 15 | S 15 | WSW 11 | SW 15 | SW 13 | SSE 14 | S 13 | — | ESE 7 | SSE 10 |
— | — | 280 | — | — | — | 48 | 129 | 103 | 112 | 68 | 183 | 35 | 28 | 116 | 86 | — | 5 | 36 | |
Wind waves Height (m) Direction Period (s) | SE 3 | SSE 3 | SSE 4 | SE 4 | SE 4 | SSE 5 | ESE 5 | SE 7 | SSE 8 | SE 8 | — | WNW 3 | — | SE 3 | SSE 5 | NNW 2 | NNW 4 | NW 4 | NW 4 |
2 | 7 | 21 | 24 | 52 | 125 | 59 | 261 | 203 | 418 | — | 1 | — | 2 | 33 | 1 | 11 | 40 | 14 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 10 | 62 | 0 | 0 | 365 | 10 | 10 | 0 | 0 | 18 | 22 | 0 | 0 | 0 | 22 | 19 | 35 | 14 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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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.











