Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.7°C
0.5° 

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 (06 Sep):

  • Morning surf: Morning surf (06 Sep, local time) - 7ft (2.1m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (06 Sep, local time) - 6ft (1.8m), 8s period with SE swell.
  • Evening surf: Evening surf (06 Sep, local time) - 5.5ft (1.7m), 8s period with SE swell.

The current surf forecast for Kosi Bay at 7PM is: 1.8m 8s primary swell from a Southeast direction and 0.7m 11s secondary swell from a South direction, 0.5m 10s secondary swell from a East direction (forecast issued at 01:00pm September 06). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (06 Sep)7ft (2.1m)9s
Afternoon (06 Sep)6ft (1.8m)8s
Evening (06 Sep)5.5ft (1.7m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon morning. Warm (max 22°C on Wed morning, min 19°C on Sun night). Wind will be generally light.

Sun
6
Monday
7
Tuesday
8
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
0
2
2
3
4
3
3
2
3
1
1
1
1
0
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)
1.7
SSE
9
1.8
SE
9
1.8
SE
8
1.8
SE
8
1.7
SE
8
1.6
SE
7
1.5
SE
7
0.8
S
22
1.4
S
20
2.4
S
18
2.5
S
17
2.4
S
16
2.2
S
16
1.9
S
15
1.7
S
14
1.6
S
14
1.5
S
14
1.4
S
13
1.3
S
13
1.2
S
12
1.1
S
12
Wave Graph
Metric surfscale
Energy kJ
416
490
448
345
320
289
229
645
1553
3706
3973
2969
2339
1679
1179
1002
808
663
538
432
353
Wind (km/h)
25
SSE
25
SSE
25
SE
25
SE
20
SSE
25
SE
20
SE
25
SE
15
SE
15
SE
15
SE
10
SE
10
SE
10
ESE
10
E
10
ENE
15
NE
20
NE
15
NE
20
NE
15
NE
Wind State
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
High Tide
11:52AM1.35m
00:53AM1.46m
1:31PM1.59m
1:55AM1.69m
2:19PM1.85m
Low Tide
6:19PM0.83m
7:09AM0.72m
7:42PM0.60m
8:03AM0.47m
8:27PM0.38m
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
 mm
1
1
Temp °C
20
20
20
20
19
19
19
19
20
19
20
19
19
19
19
20
20
20
20
20
20
Feels °C
18
17
17
17
16
16
16
15
18
17
18
18
18
19
18
19
18
18
18
18
18
  • 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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