Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 pm 01 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 (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 4PM is: 0.8m 8s primary swell from a East direction and 0.3m 5s secondary swell from a South-southeast direction (forecast issued at 01:00pm September 01). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

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 21°C on Tue night). Mainly fresh winds.

Tue
1
Wednesday
2
Thursday
3
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)
1
0
0
0
0
0
0
0
0
0
0
0
0
1
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
Wave
Height (m)
Direction
Period (s)
1
E
8
0.8
E
8
0.8
E
8
0.7
E
9
0.7
E
9
0.7
E
8
0.9
E
8
0.8
E
8
0.8
E
8
0.7
E
8
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
1.7
NE
6
1.8
NE
6
1.9
NE
6
Wave Graph
Metric surfscale
Energy kJ
136
88
90
74
74
69
109
86
84
65
47
49
94
151
217
270
183
116
183
228
296
Wind (km/h)
15
NNE
25
NNE
20
NE
25
NE
20
NNE
20
N
20
N
25
N
25
N
25
NNE
25
NNE
25
NNE
25
NNE
20
N
25
N
25
N
30
N
30
NNE
30
NE
30
NE
25
NNE
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-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
6:00PM2.16m
6:11AM1.99m
6:32PM2.00m
6:45AM1.82m
7:10PM1.78m
Low Tide
11:48AM0.06m
00:09AM0.20m
12:20PM0.20m
00:43AM0.36m
12:56PM0.39m
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>
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:35
5:36
 mm
Temp °C
24
27
25
22
21
21
21
22
27
30
27
23
23
22
22
23
26
27
24
23
22
Feels °C
25
24
23
21
21
21
20
19
23
25
23
20
20
20
18
18
20
22
20
20
20
  • 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