Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 am 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.6° C
1.3° 

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 (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 4.5ft (1.4m), 14s period with S swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 4.5ft (1.3m), 13s period with S swell.
  • Evening surf: Evening surf (11 Jul, local time) - 4ft (1.2m), 12s period with S swell.

The current surf forecast for Kosi Bay at 2PM is: 1.3m 13s primary swell from a South direction and 0.5m 8s secondary swell from a East direction (forecast issued at 07:00am July 11). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (11 Jul)4.5ft (1.4m)14s
Afternoon (11 Jul)4.5ft (1.3m)13s
Evening (11 Jul)4ft (1.2m)12s

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


Short Range Forecast

Some drizzle, heaviest during Sat night. Warm (max 22°C on Sat afternoon, min 17°C on Sat morning). Wind will be generally light.

Saturday
11
Sunday
12
Monday
13
Tue
14
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
2 AM
Rating
(10 max)
3
3
3
2
1
2
2
2
2
2
0
0
0
1
1
1
1
1
2
0
0
0
2
2
Swell
Height Map
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)
1.5
S
14
1.4
S
14
1.3
S
13
1.3
S
13
1.2
S
13
1.2
S
12
1.2
S
12
1.2
S
14
1.3
S
13
1.1
S
13
1
S
12
1.3
S
12
1.2
S
12
1.1
S
12
1
S
12
1
S
11
1
S
11
0.6
S
11
1.1
SSE
8
1.3
SSE
8
1.4
SE
8
1.4
SE
8
1.3
SE
8
1.3
SE
8
Wave Graph
Metric surfscale
Energy kJ
905
747
609
591
480
444
430
565
599
398
309
493
409
333
266
253
248
91
131
197
238
257
196
196
Wind (km/h)
10
WSW
10
WSW
0
SW
10
E
10
E
10
ESE
5
S
10
SW
15
SW
10
SSW
10
S
15
SE
15
SE
10
SSE
10
SW
10
SW
10
SW
10
SW
5
SSE
15
E
15
ENE
15
E
5
NNE
5
WNW
Wind State
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
glassy
cross
cross
cross
cross-on
on
on
cross-on
cross
cross
cross
cross
glassy
cross-on
cross-on
cross-on
cross-off
off
High Tide
1:10PM1.60m
1:45AM1.79m
2:15PM1.76m
2:42AM1.92m
3:08PM1.93m
Low Tide
6:57AM0.60m
7:19PM0.52m
8:02AM0.46m
8:23PM0.37m
8:54AM0.30m
9:15PM0.24m
clear
clear
part cloud
cloud
part cloud
cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:37
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:09
5:09
5:10
5:10
 mm
1
Temp °C
18
17
20
22
21
21
20
18
18
17
20
21
21
20
19
18
17
17
20
21
21
21
20
19
Feels °C
18
16
21
22
21
21
21
18
18
16
19
19
20
20
19
18
16
16
21
20
20
20
21
20
  • 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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