Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.9°C
0.7° 

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 (23 Aug):

  • Morning surf: Morning surf (23 Aug, local time) - 10ft (3.0m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 10ft (3.0m), 10s period with S swell.
  • Evening surf: Evening surf (23 Aug, local time) - 8ft (2.4m), 10s period with S swell.

The current surf forecast for Kosi Bay at 2AM is: 2.3m 6s primary swell from a South direction and 0.4m 5s secondary swell from a Northeast direction, 0.3m 8s secondary swell from a East direction (forecast issued at 07:00pm August 22). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (23 Aug)10ft (3.0m)9s
Afternoon (23 Aug)10ft (3.0m)10s
Evening (23 Aug)8ft (2.4m)10s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sat night, min 18°C on Mon night). Winds decreasing (strong winds from the S on Sat night, calm by Mon morning).

Sat
22
Sunday
23
Monday
24
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)
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
10
0.5
S
10
0.7
S
16
2.3
S
6
3
S
8
3
S
9
3
S
9
3
S
10
3
S
10
2.4
S
10
2.1
S
10
1.8
S
10
1.6
S
10
1.4
SSE
10
1.3
SSE
10
1.3
SSE
10
1.3
SSE
10
1.1
S
10
1
S
10
Wave Graph
Metric surfscale
Energy kJ
53
49
243
399
1004
1394
1663
1773
1601
1183
873
640
499
378
335
335
295
226
188
Wind (km/h)
20
NNE
20
N
35
S
40
S
35
S
35
S
35
S
35
S
30
SSE
25
SSE
15
S
10
S
10
SSW
5
SSW
10
NNE
20
NE
20
NE
15
NE
15
NNE
Wind State
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
cross-off
cross
cross
cross
cross-off
High Tide
00:56AM1.30m
1:42PM1.36m
1:59AM1.48m
2:22PM1.56m
Low Tide
6:07PM0.98m
7:24AM0.88m
7:46PM0.81m
8:11AM0.69m
8:24PM0.63m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
cloud
clear
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:30
 mm
Temp °C
26
25
23
20
19
20
21
21
20
20
19
19
19
19
21
21
20
19
19
Feels °C
24
23
18
15
14
15
15
15
16
17
17
19
19
19
20
18
17
17
18
  • 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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