Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 pm 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.8°C
0.6° 

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 (24 Aug):

  • Morning surf: Morning surf (24 Aug, local time) - 4.5ft (1.4m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (24 Aug, local time) - 4ft (1.2m), 10s period with SSE swell.
  • Evening surf: Evening surf (24 Aug, local time) - 3.5ft (1.1m), 10s period with S swell.

The current surf forecast for Kosi Bay at 4PM is: 1.2m 10s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East direction, 0.5m 3s secondary swell from a Northeast direction (forecast issued at 01:00pm August 24). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (24 Aug)4.5ft (1.4m)10s
Afternoon (24 Aug)4ft (1.2m)10s
Evening (24 Aug)3.5ft (1.1m)10s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Wed night. Warm (max 23°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light.

Mon
24
Tuesday
25
Wednesday
26
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)
1
0
0
0
2
2
1
1
1
1
0
0
2
2
1
1
1
0
0
2
3
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)
1.3
SSE
10
1.2
SSE
10
1.1
S
10
1.1
S
10
1.1
SSE
10
1.1
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
0.4
SSW
17
0.5
S
16
0.6
S
16
0.7
S
17
0.7
SSW
18
0.7
SSW
17
0.7
SSW
17
0.7
SSW
16
0.6
S
16
0.8
S
18
1.2
S
18
1.3
S
18
Wave Graph
Metric surfscale
Energy kJ
335
288
235
231
226
201
149
119
119
96
137
193
297
322
311
286
276
183
431
911
1124
Wind (km/h)
10
NE
20
NE
20
NE
15
NE
10
NNE
10
N
15
NNW
15
N
20
N
25
NNE
20
NE
15
NE
15
NNE
5
SW
10
SSW
10
SSW
10
SE
15
SE
15
SE
10
ESE
5
E
Wind State
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
glassy
cross-on
cross-on
on
on
on
cross-on
cross-on
High Tide
2:22PM1.56m
2:33AM1.67m
2:51PM1.75m
3:01AM1.84m
3:18PM1.94m
Low Tide
8:11AM0.69m
8:24PM0.63m
8:41AM0.50m
8:54PM0.46m
9:07AM0.33m
9:21PM0.30m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:31
5:31
 mm
1
1
Temp °C
20
21
19
19
19
19
18
18
21
23
21
20
20
19
19
19
21
21
20
20
19
Feels °C
20
18
16
17
18
18
17
17
19
20
19
19
20
21
20
20
22
21
20
21
20
  • 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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