Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 am 26 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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 2.5ft (0.7m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 2.5ft (0.8m), 19s period with S swell.
  • Evening surf: Evening surf (26 Aug, local time) - 5ft (1.6m), 18s period with S swell.

The current surf forecast for Kosi Bay at 10AM is: 0.7m 16s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a South-southeast direction, 0.6m 4s secondary swell from a South direction (forecast issued at 01:00am August 26). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (26 Aug)2.5ft (0.7m)16s
Afternoon (26 Aug)2.5ft (0.8m)19s
Evening (26 Aug)5ft (1.6m)18s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Warm (max 22°C on Wed morning, min 19°C on Thu morning). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
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
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
1
2
3
3
2
2
2
2
2
1
3
3
2
2
2
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
18
0.7
SSW
17
0.7
SSW
17
0.7
SSW
16
0.7
S
19
0.9
S
18
1.4
S
18
1.9
S
18
2.2
S
18
2.2
S
17
2.1
S
16
1.8
S
15
1.7
S
14
1.5
S
14
1.4
S
13
1.3
S
13
1.3
S
13
1.3
S
13
1.2
S
13
1.3
S
13
1.2
S
13
1.2
S
13
1.1
S
13
1
S
12
Wave Graph
Metric surfscale
Energy kJ
322
311
286
276
361
550
1301
2423
2979
2798
2219
1409
1142
820
690
586
581
581
480
572
480
473
386
309
Wind (km/h)
15
SSW
20
S
20
S
20
SSE
20
SSE
20
SE
20
SE
15
SE
10
SE
10
ESE
10
ENE
15
ENE
20
ENE
20
ENE
25
NE
20
NE
15
NNE
15
NNE
20
NNE
25
NNE
25
NE
25
NE
20
NE
20
NE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
3:01AM1.84m
3:18PM1.94m
3:27AM1.99m
3:44PM2.10m
3:53AM2.11m
4:09PM2.22m
Low Tide
9:07AM0.33m
9:21PM0.30m
9:33AM0.18m
9:48PM0.17m
9:58AM0.06m
10:15PM0.08m
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
light rain
rain showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:32
5:32
 mm
1
1
Temp °C
19
20
20
22
22
21
21
21
20
20
19
20
20
20
20
20
20
19
19
21
21
20
20
20
Feels °C
19
19
18
20
19
19
19
20
20
20
19
18
17
17
17
18
19
18
16
18
17
17
18
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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