Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 am 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
22.9° C
0.8° 

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 Aug):

  • Morning surf: Morning surf (07 Aug, local time) - 2.5ft (0.7m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (07 Aug, local time) - 2.5ft (0.7m), 9s period with E swell.
  • Evening surf: Evening surf (07 Aug, local time) - 2.5ft (0.7m), 9s period with E swell.

The current surf forecast for Kosi Bay at 11AM is: 0.7m 9s primary swell from a East direction and 0.6m 5s secondary swell from a Northeast direction, 0.5m 4s secondary swell from a South direction (forecast issued at 07:00am August 07). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (07 Aug)2.5ft (0.7m)9s
Afternoon (07 Aug)2.5ft (0.7m)9s
Evening (07 Aug)2.5ft (0.7m)9s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 18°C on Sat night). Winds increasing (calm on Fri night, strong winds from the S by Sun night).

Friday
7
Saturday
8
Sunday
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)
0
0
0
0
0
0
0
1
1
1
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.8
E
10
0.8
E
10
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
9
Wave Graph
Metric surfscale
Energy kJ
83
83
83
83
83
83
83
83
85
90
92
94
92
90
89
89
116
116
85
81
80
78
78
Wind (km/h)
10
SW
15
SSW
15
S
20
SE
20
SE
15
SE
5
ESE
5
NE
5
W
5
WNW
10
NE
20
NE
20
NE
20
NE
15
NNE
20
N
20
NNW
25
N
30
N
25
NNE
25
NE
25
NE
5
SW
Wind State
cross
cross-on
cross-on
on
on
on
cross-on
glassy
glassy
glassy
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
glassy
High Tide
9:11AM1.44m
10:20PM1.48m
11:24AM1.38m
00:33AM1.52m
1:19PM1.53m
Low Tide
3:36PM0.73m
4:58AM0.82m
5:48PM0.77m
6:58AM0.72m
7:30PM0.61m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
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>
6:24
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:23
5:23
 mm
Temp °C
20
20
22
22
21
21
20
20
19
19
21
22
21
20
20
19
18
18
23
25
23
22
21
Feels °C
21
20
21
21
20
21
22
22
21
21
22
21
19
18
18
17
16
14
18
20
19
20
23
  • 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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