Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 am 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.3° 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 (29 Jul):

  • Morning surf: Morning surf (29 Jul, local time) - 7ft (2.2m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (29 Jul, local time) - 6.5ft (2.0m), 10s period with S swell.
  • Evening surf: Evening surf (29 Jul, local time) - 6.5ft (2.0m), 10s period with S swell.

The current surf forecast for Kosi Bay at 11AM is: 2.2m 8s primary swell from a South direction and 0.8m 9s secondary swell from a East-southeast direction, 0.3m 15s secondary swell from a South-southwest direction (forecast issued at 07:00am July 29). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (29 Jul)7ft (2.2m)8s
Afternoon (29 Jul)6.5ft (2.0m)10s
Evening (29 Jul)6.5ft (2.0m)10s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 22°C on Wed afternoon, min 16°C on Wed night). Winds increasing (moderate winds from the SSW on Wed night, strong winds from the SSW by Fri afternoon).

Wednesday
29
Thursday
30
Friday
31
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
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
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)
2.2
S
8
2.2
S
8
2.2
S
8
2
S
10
2
S
10
2
S
10
2
S
10
1.9
S
10
1.9
S
9
1.9
S
9
1.9
S
9
2
S
9
2.5
S
8
2.5
S
9
3
S
9
3
S
9
3
S
9
3.5
S
10
3.5
S
9
3.5
S
9
3.5
S
9
3.5
S
9
3
S
9
Wave Graph
Metric surfscale
Energy kJ
588
619
597
834
802
776
745
654
619
580
567
627
948
1088
1252
1402
1776
2091
1849
1884
2105
1914
1314
Wind (km/h)
30
SSW
30
SSW
25
SSW
25
S
25
S
25
S
25
SSW
20
SSW
25
SSW
25
SSW
25
SSW
25
S
30
S
30
SSW
30
SW
30
SW
35
SSW
35
SSW
40
SSW
40
SSW
40
S
35
SSW
30
SSW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:06PM1.97m
4:16AM2.02m
4:35PM2.07m
4:44AM2.08m
5:03PM2.13m
Low Tide
9:56AM0.25m
10:09PM0.27m
10:24AM0.16m
10:38PM0.20m
10:51AM0.10m
cloud
part cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
part cloud
cloud
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:19
5:19
5:20
 mm
1
2
Temp °C
18
18
20
22
21
20
18
17
16
16
18
20
20
19
18
16
16
18
20
20
20
19
18
Feels °C
14
13
16
18
18
17
15
14
13
12
13
15
14
13
12
10
9
11
13
12
13
13
13
  • 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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