Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 pm 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.7°C
0.5° 

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


How big are the waves at Kosi Bay today (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 5ft (1.6m), 13s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 5ft (1.6m), 13s period with SSE swell.
  • Evening surf: Evening surf (28 Aug, local time) - 3.5ft (1.1m), 13s period with S swell.

The current surf forecast for Kosi Bay at 9PM is: 1.1m 13s primary swell from a South direction and 0.3m 16s secondary swell from a South direction, 1.2m 6s secondary swell from a East-northeast direction (forecast issued at 01:00pm August 28). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (28 Aug)5ft (1.6m)13s
Afternoon (28 Aug)5ft (1.6m)13s
Evening (28 Aug)3.5ft (1.1m)13s

Table - waves today at Kosi Bay. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 19°C on Fri afternoon). Wind will be generally light.

Fri
28
Saturday
29
Sunday
30
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
2
2
1
1
2
3
3
2
2
1
2
1
1
1
1
1
1
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SSE
13
1.6
SSE
13
1.2
S
13
1.1
S
13
1.1
S
12
1
S
12
1
S
12
0.9
S
12
1.4
ENE
9
1.6
ENE
9
1
S
12
1.9
ENE
9
1.8
E
9
1.9
E
10
1.8
E
10
1.7
E
10
1.6
E
10
1.5
E
9
1.8
ENE
9
1.6
E
9
1.6
E
9
Wave Graph
Metric surfscale
Energy kJ
972
799
466
386
377
300
295
235
326
366
314
506
533
646
600
535
463
390
510
421
413
Wind (km/h)
20
NNE
20
NNE
20
NE
20
NE
20
NE
15
NNE
10
N
15
NNE
20
NNE
25
NNE
25
NE
25
NNE
25
NNE
25
NNE
25
N
30
N
25
N
25
NNE
20
NE
5
ESE
15
S
Wind State
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
High Tide
4:09PM2.22m
4:19AM2.19m
4:36PM2.29m
4:46AM2.22m
5:03PM2.31m
Low Tide
9:58AM0.06m
10:15PM0.08m
10:24AM-0.01m
10:42PM0.03m
10:51AM-0.04m
cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:34
5:34
 mm
Temp °C
20
21
19
19
20
20
20
20
21
22
20
20
20
20
19
19
24
25
23
21
21
Feels °C
17
18
16
17
18
18
19
18
18
18
17
17
18
19
16
15
21
21
21
23
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kosi Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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