Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.8°C
0.6° 

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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 3.5ft (1.0m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 2.5ft (0.8m), 8s period with E swell.
  • Evening surf: Evening surf (01 Sep, local time) - 2.5ft (0.7m), 9s period with E swell.

The current surf forecast for Kosi Bay at 1AM is: 1.0m 9s primary swell from a East direction and 0.6m 4s secondary swell from a East-northeast direction (forecast issued at 07:00pm August 31). The wind direction is predicted to be glassy.

Time (SAST) & DateWave HeightWave Period
Morning (01 Sep)3.5ft (1.0m)8s
Afternoon (01 Sep)2.5ft (0.8m)8s
Evening (01 Sep)2.5ft (0.7m)9s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Wed afternoon, min 20°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the N by Thu morning).

Mon
31
Tuesday
1
Wednesday
2
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
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
E
9
1.2
E
9
1.2
E
9
1
E
9
1.1
E
8
1
E
8
0.9
E
8
0.8
E
8
0.8
E
8
0.7
E
9
0.7
E
9
1
E
8
0.9
E
8
0.8
E
8
0.7
E
8
0.6
E
8
0.6
E
8
0.3
SSW
16
1.6
NE
6
Wave Graph
Metric surfscale
Energy kJ
274
229
224
153
173
140
111
88
90
74
74
142
109
86
65
47
47
48
165
Wind (km/h)
15
ENE
15
ENE
10
NE
0
S
0
SW
0
WNW
15
NNE
25
NNE
20
NE
25
NNE
20
NNE
20
N
20
N
25
N
25
N
30
NNE
25
NNE
30
NNE
20
NNE
Wind State
cross
cross-on
cross-off
glassy
glassy
glassy
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-off
High Tide
5:31PM2.27m
5:41AM2.12m
6:00PM2.16m
6:11AM1.99m
6:32PM2.00m
Low Tide
11:39PM0.08m
11:48AM0.06m
00:09AM0.20m
12:20PM0.20m
clear
clear
clear
part cloud
part cloud
part cloud
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>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:35
5:35
 mm
Temp °C
21
21
21
21
20
20
23
26
25
22
21
21
21
22
28
30
27
23
23
Feels °C
21
21
22
25
23
23
24
24
23
21
21
20
19
18
24
25
23
20
22
  • 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.


Nearest locationNearest