Koeel Bay Surf Break

Lat Long: 34.21° S 18.83° E

Koeel Bay Surf Forecast and Surf Report

Issued: 1 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Koeel Bay sea temperature is
14.3° C
1.4° 

Koeel Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Koeel Bay surf forecast from 21 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 2AM (local time) - 5.5ft (1.7m), 15s period, SSW swell with offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 2AM (local time) - 5.5ft (1.7m), 15s period, SSW swell with 1,222 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 11PM (local time) - 4.5ft (1.3m), 11s period with SSW 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 Friday (Aug 21) at 11PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 1.3m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Koeel Bay in the next 16 days are 1.7m 15s 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 1.7m 6s period and expected on Tuesday (Aug 25) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 21st Aug)4.5ft (1.3m) 11s
Best Surf 2AM (Tue 25th Aug)5.5ft (1.7m) 15s
Most Powerful 2AM (Tue 25th Aug)5.5ft (1.7m) 15s

Table - best surf conditions forecast for Koeel Bay over the next 16 days.


The Lowdown

Alright, Rusty here, let’s break down what’s happening at Koeel Bay for the next couple of weeks.

First off, the water is running a bit colder than normal for this time of year, sitting at 58°, so you’ll want a good wetsuit if you’re paddling out.

The pattern starts off with a tease. Friday the 21st kicks things off with a clean 4ft SSW swell, light cross-off breeze, and the combined energy sitting at a solid moderate 627. It’s a nice way to ease into the weekend, but it’s not the standout.

Saturday the 22nd is a total loss – poor conditions with cross-on and onshore winds, so don’t waste your time. Sunday the 23rd is better: clean 5ft to 4ft SSW groundswell, periods around 13 seconds, light cross-off wind. The energy is moderate (633), and the surf is clean, but it’s still not the best of the run.

Now, Tuesday the 25th is where it gets interesting. The morning brings a 5ft SW swell with a 14-second period, offshore wind from the ESE at 12 mph, and the combined energy jumps to 938 – that’s moderate but solid. The waves will be clean, well-shaped, and that long period means plenty of push between sets. This is a genuine highlight for intermediate surfers, though the size is getting toward the upper end for beginners.

The real standout, though, is Friday the 28th. Glassy conditions in the morning – wind from the north at barely 3 mph – with a 4ft S swell, 14-second period, and combined energy of 765. It’s clean, it’s glassy, and the waves will be well-formed. For a reef break like Koeel Bay, that long-period S swell is going to wrap in nicely, giving you some proper lines. The crowd factor is “sometimes” here, so you might get a few others out, but on a morning like that, it’s worth the paddle.

The following week sees a bit of a mixed bag. Sunday the 30th has some solid 6ft to 7ft SSW swell, but the wind is cross-off and the conditions are marginal – the energy is strong (1614), but it’s not clean enough to call it perfect. Still, for experienced surfers, there’s power there.

Tuesday the 1st of September is another glassy gem – morning and afternoon both glassy, with a 5ft to 5ft SSW groundswell, period around 14 seconds, and combined energy of 967. That’s a very clean, well-ordered swell. If you can get out, it’ll be a treat.

Then we hit a rough patch from Wednesday the 2nd through Saturday the 5th – mostly cross-on and onshore winds, choppy and lumpy, with energy dropping off. The best of that period is Friday the 4th morning: a 8ft SSE swell, gentle offshore wind, and combined energy of 1526. That’s a lot of power, and it’s clean, but it’s only for experienced surfers at that size. The period is short (9 seconds), so it’ll be a bit more dumpy and less forgiving.

So, to sum it up: the best on offer is Friday the 28th morning for the glassy, clean 4ft S groundswell, followed closely by Tuesday the 1st of September for another glassy, well-formed SSW swell. If you’re keen on bigger, more powerful surf, the 4th of September morning is your window, but it’s for experts only.

Stay stoked, and keep an eye on the forecasts – things can always change.

Rusty

Short Range Forecast

Mostly dry. Warm (max 20°C on Fri afternoon, min 12°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Wed afternoon, min 12°C on Tue morning). Winds decreasing (fresh winds from the E on Tue night, light winds from the ENE by Wed afternoon).

Fri
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
0
0
3
2
2
2
1
1
4
3
2
1
2
2
2
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSW
11
1.2
SSW
11
1.1
SSW
11
1.1
SW
12
1.4
SW
12
1.4
SW
13
1.3
SW
13
1.3
SW
12
1.1
SW
11
0.9
SSW
14
1.7
SSW
15
1.6
SW
14
1.3
SW
14
1
SW
13
1.4
SE
8
1.3
SE
8
2
ESE
8
0.9
S
11
0.9
S
14
1.1
S
11
Wave Graph
Metric surfscale
Energy kJ
317
322
291
314
533
633
563
448
331
337
1222
938
696
340
204
181
476
196
325
289
Wind (km/h)
15
SSE
0
NW
15
NNW
15
WNW
10
SSE
10
SSE
15
S
15
SE
15
SSE
25
SE
20
ESE
25
ESE
30
ESE
35
E
15
E
10
ENE
10
N
15
NNW
15
WNW
5
ESE
Wind State
cross-off
glassy
cross-on
on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross
cross-on
on
glassy
High Tide
10:23PM0.99m
11:53AM0.96m
00:09AM1.05m
1:00PM1.07m
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
Low Tide
3:46PM0.71m
5:32AM0.63m
6:06PM0.67m
6:47AM0.54m
7:07PM0.57m
7:28AM0.43m
7:45PM0.45m
8:00AM0.32m
8:17PM0.34m
8:28AM0.22m
8:47PM0.24m
8:55AM0.14m
9:16PM0.16m
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:15
7:13
7:13
7:11
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:19
6:19
6:20
6:21
6:21
6:22
 mm
Temp °C
20
17
16
18
15
15
16
13
16
17
14
17
21
14
20
26
23
22
25
19
Feels °C
18
16
12
15
14
14
13
11
13
13
10
13
16
9
17
24
21
18
21
16
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

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