Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 29 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 (30 Aug):

  • Afternoon surf: Afternoon surf (30 Aug, local time) - 4.5ft (1.4m), 9s period with ENE swell.
  • Evening surf: Evening surf (30 Aug, local time) - 5.5ft (1.7m), 9s period with ENE swell.

The current surf forecast for Kosi Bay at 12AM is: 1.8m 9s primary swell from a East direction and 0.8m 12s secondary swell from a South-southeast direction (forecast issued at 07:00pm August 29). An open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (30 Aug)--
Afternoon (30 Aug)4.5ft (1.4m)9s
Evening (30 Aug)5.5ft (1.7m)9s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun morning, min 19°C on Sat night). Wind will be generally light.

Sat
29
Sunday
30
Monday
31
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)
2
2
1
1
1
1
3
1
0
0
0
1
1
1
2
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)
1.6
ENE
9
1.7
ENE
9
1.8
E
9
1.9
E
10
1.9
E
10
1.8
E
10
1.7
E
10
1.8
ENE
10
1.6
E
9
1.5
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.3
E
10
1.3
E
10
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
Wave Graph
Metric surfscale
Energy kJ
358
453
533
646
687
612
533
614
431
367
318
274
287
305
299
244
234
229
224
Wind (km/h)
25
NE
25
NNE
25
NNE
25
N
25
N
25
N
15
N
15
ESE
20
SE
20
SSE
15
S
10
SW
10
SW
5
SW
5
ENE
20
NE
15
NE
15
E
5
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
on
cross-on
cross-on
cross
cross
cross
glassy
cross
cross
cross-on
cross-on
High Tide
4:36PM2.29m
4:46AM2.22m
5:03PM2.31m
5:13AM2.19m
5:31PM2.27m
Low Tide
10:42PM0.03m
10:51AM-0.04m
11:10PM0.03m
11:19AM-0.02m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:34
 mm
Temp °C
21
20
20
20
19
20
25
24
21
21
20
19
19
19
22
23
21
21
21
Feels °C
18
17
17
18
17
16
23
22
19
20
19
19
20
20
23
22
20
21
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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