Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 am 13 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) - 3.5ft (1.1m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 4.5ft (1.4m), 8s period with SE swell.
  • Evening surf: Evening surf (13 Jul, local time) - 4.5ft (1.3m), 8s period with SE swell.

The current surf forecast for Kosi Bay at 6AM is: 0.7m 11s primary swell from a South direction and 1.0m 7s secondary swell from a Southeast direction (forecast issued at 01:00am July 13). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (13 Jul)3.5ft (1.1m)7s
Afternoon (13 Jul)4.5ft (1.4m)8s
Evening (13 Jul)4.5ft (1.3m)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.

Monday
13
Tuesday
14
Wednesday
15
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
1
2
3
3
1
1
2
2
3
3
3
3
2
2
2
3
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)
0.9
S
11
0.8
S
11
1
SE
7
1.3
SSE
8
1.4
SE
8
1.4
SE
8
1.4
SE
8
1.4
SE
8
1.3
SE
8
1.4
SE
8
1.8
SE
9
1.9
SE
9
1.9
SE
9
1.9
ESE
9
2
ESE
10
1.9
ESE
10
2
ESE
10
2
ESE
10
2
ESE
10
1.9
ESE
10
1.8
ESE
10
1.8
ESE
10
1.8
ESE
10
1.7
ESE
10
Wave Graph
Metric surfscale
Energy kJ
209
157
91
178
248
229
227
229
186
226
542
612
639
617
718
697
778
731
746
717
650
650
650
561
Wind (km/h)
15
SSW
15
SSW
15
SSW
15
SSE
15
SE
10
SE
15
ESE
10
SE
5
S
10
WSW
10
WSW
5
SE
10
E
15
E
10
ENE
5
NE
5
NE
5
WNW
5
WNW
5
NNE
10
ENE
15
NE
15
ENE
10
NNE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross
glassy
off
off
glassy
cross
cross
cross
cross-off
High Tide
2:42AM1.92m
3:08PM1.93m
3:30AM2.03m
3:54PM2.08m
4:13AM2.11m
4:37PM2.18m
Low Tide
8:54AM0.30m
9:15PM0.24m
9:40AM0.16m
10:02PM0.14m
10:22AM0.07m
10:44PM0.10m
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>
5:10
5:10
5:12
 mm
Temp °C
18
18
17
20
21
20
20
20
19
18
17
20
21
20
21
20
20
19
19
21
22
21
21
21
Feels °C
17
17
16
19
20
19
19
20
19
18
17
21
21
19
21
20
21
20
20
22
22
20
20
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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