Koeel Bay Surf Break

Lat Long: 34.21° S 18.83° E

Koeel Bay Surf Forecast and Surf Report

Issued: 7 am 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Koeel Bay sea temperature is
14.7° C
0.8° 

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 13 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 5PM (local time) - 6ft (1.8m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 15 Jul, 11PM (local time) - 7ft (2.1m), 14s period, SW swell with 1,704 kJ wave energy.
  • Next surfable swell (1★+): Monday 13 Jul, 2PM (local time) - 2.5ft (0.7m), 10s 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 Monday (Jul 13) at 2PM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.6m and 9s. 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 2.1m 14s and forecast to arrive on Wednesday (Jul 15) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Jul 20) at 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Mon 13th Jul)2.5ft (0.7m) 10s
Best Surf 5PM (Wed 15th Jul)6ft (1.8m) 16s
Most Powerful11PM (Wed 15th Jul)7ft (2.1m) 14s

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


Alright, grab a coffee and listen up. This is Rusty, and I’ve been staring at the charts for Koeel Bay. It’s a reef setup, and it’s pretty exposed to the south, so it catches a lot of what’s sent our way.

Right off the bat, Monday the 13th is a bit of a flat start. We’ve got tiny knee-high waves at 3ft, and while the water is a glassy 59°F — that’s 1°F cooler than average for this time of year, so it’s a little nippy — there’s just not enough push to get excited about. The energy is weak (181), so you’re really just floating around.

The real action starts to show its face on Wednesday the 15th. Tuesday is a write-off with tiny, onshore junk. But Wednesday morning we see a pulse of very long-period groundswell (17 seconds) coming from the southwest. It’s still a bit small in the morning, but the afternoon is the first real standout. That swell jumps to 6ft with a 16-second period, and the energy is pumping (1536). The wind goes glassy, and the water is clean. That’s a solid intermediate-to-expert session. The period is so long that it’s going to be proper grinding lines down the reef, not just a fat beachie wall.

Thursday the 16th morning keeps the quality high with 5ft swell from the southwest and glassy conditions. The energy is still strong (933). A very good session for anyone who knows the reef.

Then we get a bit of a messy spell through the weekend. Friday the 17th is clean with offshore winds, but the swell drops to 4ft-5ft, and the period shortens up. Saturdays are a bit cross-onshore. Sunday the 19th morning is back to glassy with 4ft, which is a nice little pick-up session.

Now, hold onto your board. The big standout is Tuesday the 21st of July. The morning is an absolute dream. We’ve got a solid 8ft of southwest groundswell running on a 16-second period. The energy is huge (2750), and the wind is dead calm — glassy as a lake. This is expert territory. The size and power will be intense, but if you’ve got the skills, that’s the session of the forecast. The afternoon gets a bit cross-onshore, so get it early.

Wednesday the 22nd is a write-off. A near gale (31-34 mph) from the north-northwest will absolutely trash the ocean. Don’t bother.

Thursday the 23rd morning is still messy with the wind, but the afternoon flips. The wind turns cross-off from the south-southeast, and the swell is still a solid 7ft from the southwest. The energy is very strong (1258). That’s a serious late-afternoon session for the experienced crew.

The end of the week and into the next weekend shows more promise. Saturday the 25th is a beauty: clean offshore winds from the southeast with 5ft to 6ft of southwest swell. The energy is high (1072-1495). That’s a very good stretch of clean, powerful surf.

Sunday the 26th is another glassy winner, with 5ft to 6ft of clean southwest swell. You’ll be surfing right through the morning and afternoon.

The following Monday the 27th is a blown-out mess with a strong north-northwest wind, but then Tuesday the 28th morning comes back around with glassy conditions and 5ft of long-period southwest swell. A solid end to the run.

So, the absolute best on offer is the morning of Tuesday the 21st of July — that's the big-wave, glassy, expert-level session. The afternoon of Wednesday the 15th and the morning of Thursday the 16th are also top-tier, but with slightly smaller waves. For a clean, all-day session that’s still powerful, Saturday the 25th is your best bet after that big swell passes.

Keep an eye on the tides, and don't be late for that Tuesday morning session. It looks like the kind of day you tell your mates about.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 17°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Sat afternoon, min 14°C on Thu morning). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
0
0
0
1
4
4
3
1
2
2
2
3
1
0
3
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
10
0.7
SSW
9
0.5
S
10
0.5
S
9
0.5
S
9
0.4
SW
18
0.9
SW
17
1.8
SW
16
2
SW
14
1.6
SW
13
1.4
SW
13
1.4
SW
12
1.4
SW
11
1.2
SW
11
1.5
S
10
1.4
S
12
1.1
S
11
1.3
SW
13
1.2
SW
12
1.1
SW
11
1
SW
10
Wave Graph
Metric surfscale
Energy kJ
111
78
47
42
40
78
487
1493
1581
933
613
522
493
334
440
556
274
543
403
309
208
Wind (km/h)
5
WNW
5
SW
10
NNW
10
NNW
10
WNW
10
NNW
5
NNW
5
SW
5
E
5
NW
10
WSW
5
W
15
SE
20
ESE
15
ENE
10
NNW
10
WNW
5
WNW
5
SSW
15
S
15
SSE
Wind State
glassy
glassy
cross-on
cross-on
on
cross-on
cross-on
glassy
glassy
glassy
cross-on
glassy
off
off
cross-off
cross-on
on
glassy
glassy
cross-off
cross-off
High Tide
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
6:36AM1.30m
7:00PM1.44m
Low Tide
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
12:39PM0.27m
1:24AM0.35m
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:48
7:48
7:48
7:47
7:47
7:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:51
5:52
5:52
5:52
5:53
5:53
5:54
 mm
Temp °C
16
17
15
15
17
15
16
17
15
16
18
16
16
18
16
18
22
16
16
17
13
Feels °C
15
16
14
12
14
13
15
16
14
16
18
16
14
16
14
15
19
15
16
16
11
  • 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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