Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.8°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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 7ft (2.2m), 16s period with S swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 6ft (1.9m), 14s period with SSE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 5ft (1.5m), 13s period with S swell.

The current surf forecast for Kosi Bay at 12AM is: 2.0m 18s primary swell from a South direction and 0.1m 13s secondary swell from a Southeast direction, 0.9m 5s secondary swell from a South-southeast direction (forecast issued at 07:00pm August 26). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (27 Aug)7ft (2.2m)16s
Afternoon (27 Aug)6ft (1.9m)14s
Evening (27 Aug)5ft (1.5m)13s

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 Sat afternoon, min 19°C on Wed night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
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
2
2
2
2
2
1
1
2
2
2
3
1
2
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
18
1.2
S
18
1.9
S
18
2.2
S
18
2.2
S
17
2.2
S
16
2.1
S
15
2
S
14
1.9
SSE
14
1.5
S
13
1.4
S
13
1.4
S
13
1.4
S
13
1.3
S
13
1.4
S
13
1.3
S
13
1.2
S
13
1.1
S
13
1.1
S
12
Wave Graph
Metric surfscale
Energy kJ
550
963
2423
2979
2781
2434
1911
1622
1266
792
683
673
673
555
663
555
466
386
368
Wind (km/h)
20
SSE
20
SSE
15
SSE
10
SE
10
ESE
15
E
15
E
20
ENE
20
ENE
20
NE
15
NE
15
NE
15
NE
15
NE
20
NE
25
NE
20
NE
20
NE
20
NE
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross
High Tide
3:18PM1.94m
3:27AM1.99m
3:44PM2.10m
3:53AM2.11m
4:09PM2.22m
Low Tide
9:21PM0.30m
9:33AM0.18m
9:48PM0.17m
9:58AM0.06m
10:15PM0.08m
cloud
part cloud
cloud
clear
cloud
light rain
light rain
part cloud
clear
clear
clear
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
21
21
21
20
19
19
20
20
20
20
20
19
19
19
21
21
20
20
20
Feels °C
18
19
20
19
19
18
19
17
17
17
18
17
17
16
17
17
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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