Koeel Bay Surf Break

Lat Long: 34.21° S 18.83° E

Koeel Bay Surf Forecast and Surf Report

Issued: 1 am 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Koeel Bay sea temperature is
15.0° C
0.6° 

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 12 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 8PM (local time) - 7ft (2.1m), 15s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 15 Jul, 8PM (local time) - 7ft (2.1m), 15s period, SW swell with 1,941 kJ wave energy.
  • Next surfable swell (1★+): Sunday 12 Jul, 11AM (local time) - 5ft (1.5m), 11s period with S 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 (Jul 12) at 11AM. The primary swell is predicted to be 1.5m and 11s period with a secondary swell of 0.2m and 11s. Another secondary swell of 1.8m and 7s 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 2.1m 15s and forecast to arrive on Wednesday (Jul 15) at 8PM. 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 5s period and expected on Friday (Jul 17) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 12th Jul)5ft (1.5m) 11s
Best Surf 8PM (Wed 15th Jul)7ft (2.1m) 15s
Most Powerful 8PM (Wed 15th Jul)7ft (2.1m) 15s

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


G’day, Rusty here, and I’ve been looking over the Koeel Bay forecast for the next couple of weeks. We’ve got a bit of a slow start, but by the end of the run, things are looking absolutely pumping.

The first proper surfable session kicks off Sunday morning, 12 July. It’s a clean 5ft S swell with an 11-second period, and the water’s sitting at 59°, which is about average for this time of year. Light east wind, 6 mph, keeping it offshore. The energy is moderate at 904, so it’s not a monster, but it’s a nice, clean start. Sunday afternoon drops to 3ft with a light SE breeze, still clean.

Monday, 13 July, is glassy but small – 3ft SSW in the morning, dropping to 2ft by the arvo. The energy is weak (181 and 145), so it’s more of a longboard or a learner’s session. Tuesday, 14 July, is a write-off – tiny 2ft S swell with onshore/cross-onshore winds. That’s the gap.

We then hit a stretch of ordinary surf from Wednesday, 15 July, through to Thursday, 16 July. Wednesday has a 3ft SW swell with a very long 17-second period, so the energy is moderate (426), but it’s cross-onshore. Thursday arvo gets glassy and a better 5ft SW swell, but it’s still just okay.

Now, the first real standout is Friday, 17 July, in the afternoon. We’ve got a solid 8ft SSW swell, 12-second period, and a 15 mph offshore wind from the ESE – that’s a serious offshore breeze. The energy is strong (1343). This is decent for strong intermediates, but with that size, it’s getting into expert territory for the bigger sets. The wind is moderate, so it’ll be clean.

Saturday, 18 July, arvo is glassy calm with a 4ft SSW swell, 13-second period. That’s a lovely clean window for a relaxed session.

But the real magic is locked in for the following week. Tuesday, 21 July, is a cracker: morning has a 7ft SSW swell, 10-second period, with a light offshore from the east. The energy is strong (1579). By the arvo, it’s 8ft, 11-second period, and a gentle offshore. That’s prime for experienced surfers. Wednesday, 22 July, is glassy in the morning with a 8ft SSW groundswell, 14-second period, and the energy is very strong (2709). That’s a standout.

The best of the best, though, is from Thursday, 24 July, onward. Friday morning, 24 July, has a 7ft SSW swell, 15-second period, with a moderate offshore from the SE. The energy is extreme (3116). Friday afternoon is a 8ft SSW swell with an 18-second period – that’s a very long-period groundswell – and the energy is 3841. This is only for experts, and at a reef break, that long period will fatten up the waves. It’s a world-class lineup for the crew who can handle it.

Saturday, 25 July, is glassy with a 6ft SSW swell, 15-second period, and strong energy (1668). Another cracker. Sunday, 26 July, hits 10ft SSW, 14-second period, with a clean cross-offshore wind. The energy is 3816. That’s massive, but it’s for experts only.

The final few days, Monday, 27 July, still have a solid 6ft SSW swell, 11-second period, and a light offshore in the morning.

The only real downside is that Koeel Bay can get crowded (sometimes), so for the absolute best sessions – like the 24th, 25th, and 26th – you’ll want to be early or late. The long-period swells (over 15 seconds) on the 24th arvo and 26th are best here at this reef, as they’ll hold shape nicely.

Overall, the standout without a doubt is the Thursday arvo to Saturday arvo of the second week. That’s the peak. For the rest, the first week is a warm-up. The gap between Tuesday, 14 July, and Thursday, 16 July, is a lull, so don’t bother.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Fri afternoon, min 14°C on Wed morning). Wind will be generally light.

Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
2
1
1
1
0
0
0
1
3
4
2
3
3
2
3
2
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
S
11
1
S
10
1.1
S
10
0.8
SSW
10
0.7
SSW
9
0.5
S
10
0.5
S
9
0.5
S
9
0.4
SW
18
0.8
SW
17
1.9
SW
15
2.1
SW
14
1.6
SW
13
1.4
SW
13
2
SSW
12
1.8
SSW
11
2.3
SSW
12
2
SSW
12
1.7
SSW
13
1.2
SSW
13
1.2
SSE
12
Wave Graph
Metric surfscale
Energy kJ
517
221
237
111
78
46
42
40
78
350
1716
1704
947
669
1154
844
1343
1072
931
444
404
Wind (km/h)
10
E
10
ESE
10
ENE
5
WNW
5
SSW
5
N
10
NNW
10
W
10
N
10
NNW
10
SSW
5
E
5
W
5
W
5
SW
20
SE
25
ESE
15
E
5
NNE
0
W
10
NNW
Wind State
off
off
cross-off
glassy
glassy
glassy
cross-on
on
cross-on
cross-on
cross
glassy
on
glassy
glassy
cross-off
off
cross-off
cross
glassy
cross-on
High Tide
1:47PM1.38m
2:03AM1.51m
2:39PM1.49m
2:55AM1.57m
3:27PM1.59m
3:43AM1.59m
4:12PM1.64m
4:28AM1.56m
4:55PM1.66m
5:11AM1.50m
5:37PM1.62m
5:54AM1.41m
6:19PM1.55m
Low Tide
7:55PM0.25m
8:28AM0.10m
8:49PM0.16m
9:16AM0.04m
9:40PM0.10m
10:00AM0.01m
10:27PM0.08m
10:41AM0.02m
11:12PM0.10m
11:21AM0.07m
11:56PM0.16m
12:00PM0.16m
00:40AM0.25m
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:48
7:48
7:48
7:48
7:47
7:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:51
5:51
5:52
5:52
5:52
5:53
5:53
 mm
Temp °C
15
18
16
16
18
16
15
18
15
16
17
15
17
18
16
16
19
15
18
21
18
Feels °C
13
17
14
15
17
15
12
16
13
15
17
15
16
17
16
14
16
12
17
20
17
  • Map Icons:
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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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