Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 7 pm 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 11PM is: 1.8m 6s primary swell from a South direction and 0.5m 6s secondary swell from a Northeast direction, 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 07:00pm April 20). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Apr)--
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
Thursday
23
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
1
1
1
2
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
NE
1.6
S
1.8
S
1.9
S
2
SSE
1.9
SSE
0.9
SSW
1
S
1.2
SE
1
SE
0.8
SE
0.5
E
0.5
E
0.5
E
2.2
S
3
S
3
S
3
S
3
S
3
SSE
3
SSE
3
SSE
2.5
SSE
2.3
SE
Period(s) (?)66677712127768886888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)82152247316371376252290135864736363636812681456135212641098974965749600
Wind
(km/h)
35
S
35
S
30
S
30
S
25
S
15
SSW
20
SW
5
SW
10
NNE
20
N
15
W
10
WNW
15
N
25
SSW
40
S
40
S
35
S
35
S
35
S
35
S
35
S
30
SSE
30
S
25
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
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
7:16AM
1.60
Low Tide
/ height (m)
11:36PM
0.12
11:58AM
0.22
12:17AM
0.32
12:40PM
0.42
1:06AM
0.56
1:34PM
0.63
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise-----6:07-------6:07-------6:07--
Sunset5:27-------5:25-------5:24-------
clear
thunderstorm
rain showers
thunderstorm
cloud
thunderstorm
part cloud
cloud
cloud
cloud
thunderstorm
light rain
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
cloud
light rain
Rain (mm)
-121-1----51----111111-1
Temp. °C262424232323232626252322232323232121212120212120
Feels °C (?)232122212224242929262523252218181717161615161716
  • 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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