Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.6° 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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 2.5ft (0.7m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 4.5ft (1.3m), 8s period with SSE swell.
  • Evening surf: Evening surf (13 Jul, local time) - 4.5ft (1.4m), 8s period with SE swell.

The current surf forecast for Kosi Bay at 12AM is: 1.2m 12s primary swell from a South direction and 0.4m 8s secondary swell from a East direction (forecast issued at 07:00pm July 12). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (13 Jul)2.5ft (0.7m)11s
Afternoon (13 Jul)4.5ft (1.3m)8s
Evening (13 Jul)4.5ft (1.4m)8s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Wed afternoon, min 17°C on Mon morning). Wind will be generally light.

Sun
12
Monday
13
Tuesday
14
Wed
15
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
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
1
0
1
0
0
0
0
1
2
2
3
3
2
1
2
2
3
3
3
3
2
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)
1.4
S
12
1.3
S
12
1.2
S
12
0.9
S
11
0.8
S
11
0.8
S
11
1
SE
7
1.3
SSE
8
1.4
SE
8
1.3
SE
8
1.3
SE
8
1.3
SE
8
1.4
SE
8
1.7
SE
9
1.8
SE
9
1.9
SE
9
1.8
SE
9
1.8
ESE
9
1.9
ESE
10
1.9
ESE
10
1.9
ESE
10
2
ESE
10
1.9
ESE
10
1.8
ESE
10
Wave Graph
Metric surfscale
Energy kJ
556
472
390
209
157
157
104
203
215
205
205
186
215
492
561
562
539
584
683
697
665
746
717
650
Wind (km/h)
20
SSE
15
SSE
10
S
15
SSW
15
SSW
10
SSW
10
SSE
15
SE
15
SE
15
ESE
10
ESE
5
SSE
10
WSW
5
WSW
5
ENE
10
ENE
15
ENE
15
NE
10
NE
5
NNE
5
NW
5
NNW
5
NNE
15
NE
Wind State
cross-on
on
cross-on
cross
cross-on
cross
cross-on
on
on
on
on
glassy
cross-off
cross-off
glassy
cross
cross
cross
cross
cross-off
off
off
cross-off
cross
High Tide
2:15PM1.76m
2:42AM1.92m
3:08PM1.93m
3:30AM2.03m
3:54PM2.08m
4:13AM2.11m
Low Tide
8:23PM0.37m
8:54AM0.30m
9:15PM0.24m
9:40AM0.16m
10:02PM0.14m
10:22AM0.07m
clear
clear
clear
clear
clear
clear
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>
6:37
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:09
5:10
5:10
5:12
 mm
Temp °C
20
20
19
18
18
17
20
21
20
21
20
19
18
18
20
21
20
21
20
20
19
19
21
22
Feels °C
18
18
19
17
17
16
19
20
19
21
20
20
18
19
21
20
19
20
20
21
20
20
22
21
  • 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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