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Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 7 am Monday 20 Apr 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Kosi Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kosi Bay sea temperature is
27.0° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Kosi Bay today?

The current surf forecast for Kosi Bay at 12PM is: 1.3m 6s primary swell from a Northeast direction and 0.3m 8s secondary swell from a East-southeast direction, 0.1m 10s secondary swell from a South direction (forecast issued at 07:00am April 20). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Apr)4.5ft (1.4m)6s
Afternoon (20 Apr)4.5ft (1.3m)6s
Evening (20 Apr)5ft (1.6m)6s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thu
23
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
2
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NE
1.4
NE
1.3
NE
1.3
NE
1.1
NE
1.5
S
1.7
S
1.8
SSE
1.8
SSE
1.7
SSE
0.8
SSW
1.2
SE
1.1
SE
0.6
S
0.6
SE
0.5
E
0.5
E
0.6
ESE
1.9
S
3
S
3.5
S
3.5
S
3
S
3
SSE
Period(s) (?)6666666677127797888689998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1521571281248213621728228528120514699573537375525813831917167814461222
Wind
(km/h)
20
N
25
N
20
N
20
NNE
35
S
35
S
30
S
25
SSE
20
S
10
SSW
15
SW
5
NNW
20
NNE
20
N
20
NNW
20
NNW
20
NW
25
SSW
40
S
35
SSW
35
S
40
S
35
S
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
5:28PM
2.10
5:47AM
2.06
6:07PM
1.94
6:27AM
1.84
6:52PM
1.74
Low Tide
/ height (m)
11:21AM
0.07
11:36PM
0.12
11:58AM
0.22
12:17AM
0.32
12:40PM
0.42
1:06AM
0.56
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-6:05-------6:07-------6:07------
Sunset----5:27-------5:25-------5:24---
clear
clear
clear
clear
clear
rain showers
light rain
light rain
thunderstorm
thunderstorm
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
Rain (mm)
-----21211----------2111
Temp. °C262731322523232323232426262525252423232120222120
Feels °C (?)262732332119212323252529262625252322171715171616
  • 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

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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