Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 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):

  • 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) - 2.5ft (0.7m), 8s period with E swell.

The current surf forecast for Kosi Bay at 10PM is: 0.4m 17s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a East direction, 0.5m 8s secondary swell from a East direction (forecast issued at 07:00pm September 02). An open ocean swell of 1.4m 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)--
Afternoon (02 Sep)2.5ft (0.7m)8s
Evening (02 Sep)2.5ft (0.7m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 28°C on Thu afternoon, min 18°C on Fri night). Winds increasing (light winds from the NNW on Thu night, strong winds from the S by Fri night).

Wed
2
Thursday
3
Friday
4
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
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
Wave
Height (m)
Direction
Period (s)
0.6
E
8
0.6
E
8
0.4
SSW
17
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
1.4
ENE
7
1.1
E
7
1.4
NE
7
1.1
NE
7
2.4
S
6
4
S
9
4
S
10
4
S
10
Wave Graph
Metric surfscale
Energy kJ
49
49
94
151
217
270
186
116
71
240
231
168
124
189
114
466
2244
3329
3352
Wind (km/h)
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
NNW
20
SSE
25
SSE
40
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
cross
cross-off
cross-off
off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:32PM2.00m
6:45AM1.82m
7:10PM1.78m
7:26AM1.61m
8:02PM1.54m
Low Tide
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
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
28
23
23
22
22
23
27
28
25
23
23
23
21
22
25
24
21
20
19
Feels °C
25
19
20
21
18
18
22
22
21
19
21
19
20
21
23
19
16
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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