Kanon surfForecast / Overberg / South Africa

information circle16 Day Weather and Surf, issued 1 am Thursday 21 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Kanon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kanon sea temperature is
18.0° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Kanon this week:

The surf forecast for Kanon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 21) at 8AM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 0.4m and 14s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kanon in the next 16 days are 1.4m 17s and forecast to arrive on Wednesday (May 27) at 8PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Friday (May 22) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 21st May)6ft (1.9m) 8s
Best Surf 5PM (Wed 27th May)4.5ft (1.3m) 17s
Most Powerful 8PM (Wed 27th May)4.5ft (1.4m) 17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 23°C on Thu afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Sat morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Sun afternoon, min 15°C on Mon night). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
AM
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
1
0
0
1
1
0
0
1
0
2
2
1
2
1
0
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)
1.7
ESE
8
1.6
ESE
8
1.3
ESE
8
0.5
S
18
0.6
SSW
16
0.7
SSW
15
0.7
SSW
14
0.7
SSW
13
0.7
SSW
14
0.6
SW
14
0.5
SSW
16
1
SSW
15
1.3
SSW
14
1.2
SW
13
1.1
SW
14
0.9
SW
13
0.8
SW
12
1.2
SSW
14
1.1
SW
13
1.3
SSW
17
1.4
SSW
16
Wave Graph
Metric surfscale
Energy kJ
412
353
211
160
206
196
178
149
186
147
147
480
701
517
450
273
178
553
406
986
969
Wind (km/h)
5
WNW
15
SW
10
WNW
35
W
25
WSW
15
WNW
5
N
10
ESE
10
ENE
0
NNE
5
SE
0
NW
0
W
10
S
5
WNW
5
SE
5
ESE
0
NNW
0
ENE
5
ESE
5
WNW
off
cross-off
off
off
cross-off
off
glassy
on
cross-on
glassy
on
glassy
glassy
cross
glassy
glassy
on
glassy
glassy
glassy
off
High Tide
7:24PM1.59m
7:45AM1.43m
8:35PM1.51m
9:04AM1.31m
9:58PM1.49m
10:35AM1.28m
11:13PM1.51m
11:50AM1.32m
00:12AM1.57m
12:47PM1.40m
00:59AM1.63m
1:30PM1.48m
1:38AM1.68m
Low Tide
1:01PM0.39m
1:43AM0.56m
2:03PM0.52m
3:05AM0.64m
3:18PM0.60m
4:36AM0.65m
4:39PM0.63m
5:52AM0.60m
5:49PM0.61m
6:47AM0.52m
6:44PM0.57m
7:29AM0.44m
7:28PM0.52m
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:22
7:24
7:24
7:24
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:34
5:34
5:32
5:32
5:31
5:31
Temp °C
21
23
17
19
17
17
17
18
16
18
20
18
18
20
17
16
17
16
17
18
16
21
21
16
14
12
15
16
16
14
18
20
18
18
20
16
16
16
16
18
18
17
Swell 1
Height (m)
Direction
Period (s)
1.7
ESE
8
1.6
ESE
8
1.3
ESE
8
0.9
ESE
8
0.7
E
8
0.9
SSW
7
0.7
SSW
14
0.7
SSW
13
0.7
SSW
14
0.6
SW
14
0.6
SW
13
1
SSW
15
1.3
SSW
14
1.2
SW
13
1.1
SW
14
0.9
SW
13
0.8
SW
12
1.2
SSW
14
1.1
SW
13
1.3
SSW
17
1.4
SSW
16
Energy kJ
412
353
211
96
55
94
178
149
186
147
108
480
701
517
450
273
178
553
406
986
969
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
13
0.4
SSW
13
0.4
SSW
19
0.5
S
18
0.6
SSW
16
0.7
SSW
15
0.7
S
6
0.6
S
6
0.4
SSE
5
0.4
SSE
12
0.5
SSW
16
0.4
SSE
11
0.4
SSE
10
0.4
SSE
10
0.4
SE
10
0.3
E
10
0.4
SSW
16
0.2
ESE
9
0.1
E
9
0.2
ESE
12
0.1
SE
8
Energy kJ
70
63
125
160
206
196
39
23
11
56
147
46
40
38
24
16
100
8
2
13
2
Swell 3
Height (m)
Direction
Period (s)
0.2
S
8
0.3
SSE
11
0.4
SW
5
0.4
S
10
0.3
SSE
10
0.5
E
8
0.4
ESE
9
0.4
ESE
11
0.4
ESE
11
0.4
SSW
18
0.4
SSE
11
0.3
E
10
0.3
E
10
0.3
ESE
10
0.3
E
6
0.2
SSE
9
0.2
SSE
9
0.2
E
9
0.1
SE
9
0.1
SE
8
0.1
SE
11
Energy kJ
5
22
5
32
19
31
25
42
39
103
48
18
17
19
6
8
8
7
3
3
5
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.6
WSW
6
0.7
SW
6
Energy kJ
2
26
36
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
1
1
3
2
1
3
2
2
4
2
1
1
2
2
3
2
Distance (km)
0
0
0
29
7
0
0
83
66
0
56
0
0
7
0
0
23
0
0
0
0
Best forecast wave conditions in Overberg
Rating
(10 max)
2
2
2
3
3
2
2
3
3
2
3
3
3
4
3
2
4
3
3
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
3
2
3
3
3
3
3
4
4
4
4
4
3
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
4
7
6
6
7
8
7
5
5
4
4
4
5
5
5
5
5
5
  • Map Icons:
  • Break
  • 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 Kanon Surf forecast

The above surf forecast table for Kanon provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kanon can be found by selecting the local surf guide option on the grey menu. Our Kanon 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 (Kanon) 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 Kanon 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.

Kanon is 23 km (14 miles) from the city of Mossel Bay. If you plan a holiday in Overberg, look for hotels and other accommodation in Mossel Bay. Mossel Bay has rooms for a wide range of budgets as well as car hire and transport links.

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