Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.6°C
0.4° 

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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 2.5ft (0.8m), 22s period with S swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 8ft (2.5m), 18s period with S swell.
  • Evening surf: Evening surf (07 Sep, local time) - 8ft (2.4m), 16s period with S swell.

The current surf forecast for Kosi Bay at 1PM is: 2.1m 19s primary swell from a South direction and 0.9m 14s secondary swell from a South direction, 1.1m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am September 07). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (07 Sep)2.5ft (0.8m)22s
Afternoon (07 Sep)8ft (2.5m)18s
Evening (07 Sep)8ft (2.4m)16s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Wed morning, min 19°C on Mon morning). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
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)
1
0
1
2
3
3
3
2
2
2
1
1
2
1
1
3
3
3
3
1
1
1
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)
0.4
SSW
23
0.8
S
22
1.4
S
20
2.4
S
18
2.5
S
17
2.5
S
16
2.2
S
16
1.9
S
15
1.8
S
14
1.6
S
14
1.5
S
13
1.4
S
13
1.3
S
13
1.2
S
12
1.1
S
12
1.1
S
12
1.4
E
9
1.4
E
9
1.5
E
10
1.7
E
10
1.7
E
9
1.8
E
9
1.8
E
9
Wave Graph
Metric surfscale
Energy kJ
179
645
1553
3706
3973
3216
2339
1679
1321
1002
796
663
538
425
347
336
291
320
417
529
486
556
577
Wind (km/h)
15
SSE
15
SSE
20
SE
20
SE
15
SE
10
ESE
10
ESE
10
ESE
10
E
10
ENE
20
ENE
20
ENE
15
ENE
15
NE
15
NE
10
NE
10
NNE
10
N
15
NNE
20
NE
20
NE
20
NE
20
NNE
Wind State
on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
1:31PM1.59m
1:55AM1.69m
2:19PM1.85m
2:36AM1.90m
2:56PM2.08m
Low Tide
7:09AM0.72m
7:42PM0.60m
8:03AM0.47m
8:27PM0.38m
8:41AM0.25m
9:04PM0.19m
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
 mm
Temp °C
19
19
21
20
20
20
20
19
19
20
20
20
20
20
20
19
19
20
22
22
21
20
20
Feels °C
17
17
18
18
18
19
20
18
18
19
18
17
18
18
18
18
18
19
20
19
19
19
19
  • 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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