Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 7 pm 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.3° C
1.0° 

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 (30 Jul):

  • Afternoon surf: Afternoon surf (30 Jul, local time) - 6ft (1.9m), 10s period with S swell.
  • Evening surf: Evening surf (30 Jul, local time) - 6.5ft (2.0m), 10s period with S swell.

The current surf forecast for Kosi Bay at 12AM is: 2.0m 10s primary swell from a South direction and 0.8m 9s secondary swell from a East direction, 0.2m 17s secondary swell from a South-southwest direction (forecast issued at 07:00pm July 29). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (30 Jul)--
Afternoon (30 Jul)6ft (1.9m)10s
Evening (30 Jul)6.5ft (2.0m)10s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Fri afternoon, min 15°C on Fri night). Winds increasing (moderate winds from the SSW on Wed night, strong winds from the S by Fri afternoon).

Wed
29
Thursday
30
Friday
31
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
1
1
1
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)
1.9
S
10
1.9
S
10
2
S
10
2
S
10
2
S
9
2
S
9
1.9
S
9
2
S
9
3
S
9
3
S
9
3
S
9
3.5
S
10
3.5
S
10
3.5
S
10
3.5
S
10
4
S
10
3.5
S
9
3.5
S
9
3
S
9
Wave Graph
Metric surfscale
Energy kJ
724
701
740
725
656
627
567
627
1169
1664
1701
2011
2222
2491
2580
2617
2261
1834
1703
Wind (km/h)
25
S
20
S
25
SSW
20
SSW
20
SSW
25
SSW
25
SSW
25
SSW
35
S
35
SSW
30
SW
35
SW
35
SSW
35
SSW
40
SSW
40
S
40
SSW
35
SSW
30
SSW
Wind State
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
4:06PM1.97m
4:16AM2.02m
4:35PM2.07m
4:44AM2.08m
5:03PM2.13m
Low Tide
10:09PM0.27m
10:24AM0.16m
10:38PM0.20m
10:51AM0.10m
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:19
5:19
5:20
 mm
Temp °C
21
20
18
16
16
16
19
20
20
19
18
16
16
17
19
21
20
19
18
Feels °C
18
18
15
13
13
12
14
14
13
12
12
10
9
10
12
13
12
13
12
  • 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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