Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 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) - 7ft (2.1m), 10s period with S swell.
  • Evening surf: Evening surf (29 Jul, local time) - 7ft (2.1m), 10s period with S swell.

The current surf forecast for Kosi Bay at 8AM is: 2.3m 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 01:00am July 29). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (29 Jul)7ft (2.2m)8s
Afternoon (29 Jul)7ft (2.1m)10s
Evening (29 Jul)7ft (2.1m)10s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 22°C on Wed afternoon, min 15°C on Wed night). Mainly strong winds.

Wednesday
29
Thursday
30
Friday
31
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
0
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
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
7
2.4
S
8
2.3
S
8
2.1
S
8
2.1
S
10
2.1
S
10
2.1
S
10
2.1
S
10
2.1
S
9
2.1
S
9
2
S
9
1.9
S
9
1.9
S
9
2.5
S
9
3
S
9
2.5
S
9
3
S
9
3
S
10
3.5
S
10
3.5
S
9
3.5
S
9
3.5
S
9
3
S
9
2.5
SSE
9
Wave Graph
Metric surfscale
Energy kJ
529
698
692
531
937
882
849
821
766
707
613
554
575
986
1169
1138
1402
1819
1929
2040
2048
1834
1586
951
Wind (km/h)
30
SSW
30
SSW
30
SSW
30
SSW
25
S
30
S
25
S
25
SSW
25
SW
25
SSW
25
SSW
25
SSW
25
SSW
35
S
35
SSW
30
SW
30
SW
35
SW
35
SSW
40
SSW
40
S
35
S
30
SSW
30
SSW
Wind State
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
3:47AM1.93m
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
part cloud
cloud
clear
part cloud
clear
clear
clear
cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
rain showers
clear
part cloud
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
1
Temp °C
18
18
18
20
22
21
20
18
16
15
16
18
19
21
19
17
17
16
17
19
20
20
18
17
Feels °C
13
13
13
15
18
17
17
15
12
11
12
13
14
15
13
11
11
9
10
12
13
13
12
12
  • 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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