Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.1° C
1.0° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 3.5ft (1.1m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 3.5ft (1.0m), 10s period with ESE swell.
  • Evening surf: Evening surf (05 Aug, local time) - 3ft (0.9m), 9s period with ESE swell.

The current surf forecast for Kosi Bay at 1AM is: 0.9m 10s primary swell from a East-southeast direction and 0.8m 9s secondary swell from a Southeast direction (forecast issued at 07:00pm August 04). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (05 Aug)3.5ft (1.1m)10s
Afternoon (05 Aug)3.5ft (1.0m)10s
Evening (05 Aug)3ft (0.9m)9s

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


Short Range Forecast

Some drizzle, heaviest during Fri morning. Warm (max 24°C on Thu afternoon, min 18°C on Wed morning). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
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
1
1
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SE
10
1.1
SE
10
1
SE
10
0.9
ESE
10
1.1
ESE
10
1.1
ESE
10
1.1
ESE
10
1
ESE
10
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
9
0.8
E
9
0.8
E
9
0.7
E
9
Wave Graph
Metric surfscale
Energy kJ
388
246
185
187
231
231
214
172
156
156
156
154
157
125
123
118
110
108
83
Wind (km/h)
20
NE
20
NE
15
NNE
15
N
15
N
20
NNW
25
N
25
NNE
25
NE
25
NE
25
NNE
20
N
20
N
20
N
20
N
25
NNE
20
NE
15
NE
5
SSW
Wind State
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
High Tide
7:06PM1.97m
7:17AM1.78m
7:46PM1.81m
8:02AM1.62m
8:42PM1.63m
Low Tide
1:16AM0.41m
1:28PM0.39m
2:01AM0.57m
2:17PM0.56m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:22
 mm
Temp °C
21
21
20
20
19
18
22
23
21
21
21
21
19
19
23
24
22
22
21
Feels °C
20
20
19
20
19
17
19
19
18
19
19
20
18
17
21
21
21
22
23
  • 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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