Koeel Bay Surf Break

Lat Long: 34.21° S 18.83° E

Koeel Bay Surf Forecast and Surf Report

Issued: 1 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Koeel Bay sea temperature is
14.2° C
1.2° 

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 11 Aug 2026:

  • Best quality surf: Wednesday 12 Aug, 11AM (local time) - 4.5ft (1.3m), 18s period, SW swell with cross-offshore winds.
  • Most powerful swell: Thursday 13 Aug, 11AM (local time) - 5ft (1.5m), 18s period, SW swell with 1,327 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 11 Aug, 11PM (local time) - 2.5ft (0.8m), 22s 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 Tuesday (Aug 11) at 11PM. The primary swell is predicted to be 0.8m and 22s period with a secondary swell of 0.8m and 11s. Another secondary swell of 1.4m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Koeel Bay in the next 16 days are 1.5m 18s and forecast to arrive on Thursday (Aug 13) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Thursday (Aug 13) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 11th Aug)2.5ft (0.8m) 22s
Best Surf11AM (Wed 12th Aug)4.5ft (1.3m) 18s
Most Powerful11AM (Thu 13th Aug)5ft (1.5m) 18s

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


The Lowdown

G’day, Rusty here. We’ve only got one spot on the menu this outlook – Koeel Bay – and the next 16 days are a mixed bag of real promise and some frustrating lulls. The water’s sitting at about 58°, which is a bit colder than usual for this time of year, so factor in an extra layer if you’re heading out.

The action starts on Tuesday afternoon, August 11, but honestly, it’s pretty marginal. We’ve got a 4 ft swell from the SSW with 12-second period, a moderate 19 mph ESE offshore wind keeping things clean, but the combined wave energy’s only 717 – not much grunt behind it, and the tide might play games. You could get a wave, but it’s not worth rushing for.

The real standout kicks off Wednesday morning, August 12. This is the best of the run. The swell lifts to 4 ft from the SW, with a gorgeous 18-second period – proper groundswell, long lines. The combined energy jumps to 1820 (moderate to strong). A light 6 mph ENE cross-off breeze keeps the faces clean. This one’s for experienced surfers; that long period can make the sets a bit trickier at a reef setup, but when it lines up, it’ll be memorable. The next morning, Thursday August 13, is still very good: similar 5 ft SW swell with 18-second period, 1414 energy, and a light 6 mph NE cross-off wind. Get in the water early.

We hit a flat patch from Friday August 14 through to Tuesday August 18. Swell drops under 3 ft, winds turn cross-onshore, and the scores nose-dive. There’s a brief window on Saturday August 15 morning with glass-off conditions and a 3 ft swell, but it’s small and weak (294 energy). Not worth paddling out for unless you’re desperate for a glide. Honestly, those mid-days are better spent on the beach.

Come Tuesday afternoon, August 18, things get rowdy but rough. A 7 ft swell from the WSW rolls in, combined energy 1505, but the period’s a short 12 seconds and a 12 mph SSW cross-wind chops it up. That’s kite-surf territory, not paddle.

Wednesday August 19 cleans up nicely – 5 to 6 ft SW swell, 11-second period, and a solid 12 to 16 mph ESE offshore wind. The energy’s moderate (593 to 676), and the winds will hold it together, though it’s still a wind-affected swell. Thursday August 20 sees a drop back to 4 ft, but the offshore’s still there. Nothing to get excited about.

The real second standout lands on Sunday August 23 afternoon and into Monday August 24. Sunday afternoon pumps: 6 ft SSW swell, 16-second period, combined energy hits 2061 – strong. A gentle 9 mph ESE offshore wind and clean conditions. Monday morning tops it off with 5 ft SSW swell, 13-second period, 928 energy, and glassy conditions with a light 3 mph ESE breeze. That Sunday-Monday weekend run is the one to plan around, though we’re a week and a half out, so keep an eye on it.

Overall, Wednesday August 12 morning and that Sunday August 23 afternoon into Monday August 24 are the clear winners. Everything else is small, choppy, or just not worth the effort. Crowds at Koeel Bay can pop up sometimes, but mid-week and early mornings should keep it quiet.

Stay stoked,
Rusty

Short Range Forecast

Some drizzle, heaviest during Thu morning. Warm (max 24°C on Thu afternoon, min 11°C on Tue night). Winds decreasing (fresh winds from the ESE on Tue afternoon, calm by Wed afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.

Tue
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
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
4
4
3
4
3
1
0
0
0
2
2
1
0
1
3
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSW
12
1
SW
22
1.3
SW
18
1.3
SW
18
1.2
SW
16
1.5
SW
18
1.3
SW
16
1.1
SW
16
1
SW
15
0.9
SW
15
0.9
SW
14
0.9
SW
14
0.9
SW
13
0.9
WSW
14
0.9
SW
14
1
SW
15
1.4
SW
13
1.3
SW
13
1.1
SW
13
1.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
301
906
1101
985
746
1327
943
611
424
355
308
268
253
332
305
424
701
569
437
357
Wind (km/h)
35
ESE
15
E
10
ENE
5
ENE
20
E
10
NE
10
ESE
15
N
15
NNW
20
NW
15
NNW
0
W
10
S
10
NW
15
NW
10
W
5
E
15
NNW
20
NW
20
NNW
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross-on
cross-on
cross-on
glassy
cross-off
cross-on
cross-on
cross-on
glassy
cross-on
on
cross-on
High Tide
2:31PM1.54m
2:48AM1.55m
3:14PM1.65m
3:30AM1.59m
3:53PM1.71m
4:09AM1.58m
4:30PM1.72m
4:46AM1.53m
5:05PM1.67m
5:21AM1.45m
5:39PM1.58m
5:56AM1.35m
6:13PM1.45m
Low Tide
8:46PM0.12m
9:03AM0.03m
9:29PM0.05m
9:41AM-0.01m
10:09PM0.02m
10:17AM-0.00m
10:47PM0.04m
10:51AM0.05m
11:22PM0.10m
11:23AM0.14m
11:56PM0.20m
11:55AM0.25m
00:29AM0.31m
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:24
7:24
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:12
6:12
6:13
6:14
6:14
6:15
 mm
1
1
Temp °C
17
13
16
20
19
22
24
21
21
22
15
16
18
15
17
19
15
17
20
15
Feels °C
11
7
13
18
14
20
21
19
16
17
13
16
16
14
14
16
15
14
16
12
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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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