Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.6°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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 2.5ft (0.8m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 2.5ft (0.7m), 8s period with E swell.
  • Evening surf: Evening surf (02 Sep, local time) - 1ft (0.3m), 16s period with SSW swell.

The current surf forecast for Kosi Bay at 2PM is: 0.7m 8s primary swell from a East direction and 0.2m 15s secondary swell from a South-southwest direction (forecast issued at 07:00am September 02). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (02 Sep)2.5ft (0.8m)8s
Afternoon (02 Sep)2.5ft (0.7m)8s
Evening (02 Sep)1ft (0.3m)16s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Fri night. Warm (max 30°C on Wed afternoon, min 19°C on Fri night). Mainly strong winds.

Wednesday
2
Thursday
3
Friday
4
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
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
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)
0.7
E
8
0.9
E
8
0.7
E
8
0.7
E
8
0.6
E
8
0.6
E
8
1.6
NE
6
0.5
S
17
0.6
S
17
0.7
S
17
0.6
S
16
0.5
S
15
0.4
SSW
15
1.8
NE
6
1.8
NE
6
1.1
E
7
1.7
NE
7
1.3
NE
7
1.1
NE
7
1.7
S
5
3.5
S
8
4
S
10
4
S
10
Wave Graph
Metric surfscale
Energy kJ
66
109
65
65
49
49
154
151
217
270
186
116
71
206
256
107
255
164
114
154
1700
2976
3339
Wind (km/h)
20
N
25
N
25
N
30
NNE
25
NNE
30
NNE
25
NNE
20
N
20
N
25
N
30
N
30
NNE
30
NE
30
NE
25
NNE
25
N
5
SW
20
SSE
20
SSE
35
S
45
S
45
S
40
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:11AM1.99m
6:32PM2.00m
6:45AM1.82m
7:10PM1.78m
7:26AM1.61m
8:02PM1.54m
Low Tide
12:20PM0.20m
00:43AM0.36m
12:56PM0.39m
1:23AM0.56m
1:42PM0.61m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:00
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:36
5:36
 mm
1
Temp °C
21
22
27
30
28
23
23
22
22
23
26
27
24
23
22
23
21
22
24
24
21
20
19
Feels °C
20
19
23
25
25
19
21
21
19
18
21
22
20
20
20
20
21
22
22
20
15
14
13
  • 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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