Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 pm 01 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.3° C
1.2° 

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 (01 Aug):

  • Morning surf: Morning surf (01 Aug, local time) - 10ft (3.0m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (01 Aug, local time) - 10ft (3.0m), 10s period with SSE swell.
  • Evening surf: Evening surf (01 Aug, local time) - 10ft (3.0m), 10s period with SSE swell.

The current surf forecast for Kosi Bay at 5PM is: 3.0m 10s primary swell from a South-southeast direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 01:00pm August 01). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (01 Aug)10ft (3.0m)10s
Afternoon (01 Aug)10ft (3.0m)10s
Evening (01 Aug)10ft (3.0m)10s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Mon afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat afternoon, calm by Mon night).

Sat
1
Sunday
2
Monday
3
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
1
3
3
3
3
0
0
0
3
3
2
3
3
1
1
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SSE
10
3
SSE
10
3
SSE
10
3
SSE
10
3
SSE
10
3
SSE
10
3
SSE
11
3.5
SSE
11
3.5
SSE
10
3
SSE
11
3
SSE
12
3
SSE
12
3
SSE
12
2.5
SSE
11
2.5
SSE
11
2.4
SSE
11
2.2
SE
11
2.1
SE
10
1.9
SE
10
1.8
SE
10
1.8
SE
10
Wave Graph
Metric surfscale
Energy kJ
1597
1504
1410
1402
1461
2010
2427
2705
2605
1944
2360
2577
2201
1832
1549
1326
1107
918
724
653
589
Wind (km/h)
30
SSW
30
SSW
25
SSW
25
SSW
25
SW
25
SW
25
SSW
25
SW
20
SSW
20
S
25
S
20
S
20
WSW
20
WSW
15
SW
15
SW
10
SSW
15
SE
10
ESE
10
ESE
5
SW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross
cross
cross-on
on
on
cross-on
glassy
High Tide
5:31PM2.16m
5:40AM2.08m
6:00PM2.14m
6:09AM2.02m
6:31PM2.08m
Low Tide
11:19AM0.08m
11:37PM0.18m
11:47AM0.10m
00:07AM0.21m
12:17PM0.16m
cloud
part cloud
part cloud
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>
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:21
 mm
Temp °C
19
19
19
18
16
15
14
14
20
22
22
20
18
18
17
17
22
23
21
21
20
Feels °C
13
13
14
13
11
11
9
9
15
18
18
17
16
16
15
15
21
21
21
22
22
  • 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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