Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 am Tuesday 17 Mar 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
27.2° C
(Which is normal for this time of year)

How big are the waves at Kosi Bay today?

The current surf forecast for Kosi Bay at 4AM is: 1.1m 8s primary swell from a East direction and 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 01:00am March 17). The wind direction is predicted to be glassy.

Time (SAST) & DateWave HeightWave Period
Morning (17 Mar)3.5ft (1.1m)8s
Afternoon (17 Mar)3.5ft (1.1m)8s
Evening (17 Mar)4ft (1.2m)8s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
17
Wednesday
18
Thursday
19
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
1
1
1
1
1
0
0
0
1
2
2
2
1
0
0
1
2
2
2
2
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.2
E
1.2
E
1.1
E
1.3
ESE
1.4
ESE
1.4
ESE
1.3
ESE
1.3
ESE
1.3
E
1.3
ESE
1.4
E
1.4
E
1.4
E
1.4
E
1.4
E
1.4
E
1.4
E
1.3
ESE
Period(s) (?)888888888101099999991010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)138142153165173173200195173328370355295289281295339347354369369354339295
Wind
(km/h)
5
NE
5
N
5
SSW
5
SW
5
ESE
15
ESE
15
ESE
15
E
5
NE
5
WNW
5
WSW
0
SSE
10
NE
15
NE
20
NE
20
NE
15
NE
10
NNE
5
WNW
5
NW
5
NE
15
ENE
20
ENE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassoncross-
on
cross-
on
cross-
on
crossglasscross-
off
glasscrosscrosscrosscross-
off
cross-
off
cross-
off
glassglasscrosscross-
on
crosscross
High Tide
/ height (m)
3:06AM
2.04
3:17PM
2.05
3:33AM
2.22
3:44PM
2.19
4:00AM
2.36
4:13PM
2.27
Low Tide
/ height (m)
8:55PM
0.28
9:12AM
0.22
9:21PM
0.11
9:40AM
0.06
9:48PM
-0.03
10:08AM
-0.04
Tuesday
17
Wednesday
18
Thursday
19
Sunrise---5:50-------5:50-------5:50----
Sunset------6:02-------6:01-------6:00-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252424242627262525242425262726252525242527282726
Feels °C (?)302828282928272729282729282826262728283030302928
  • 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

Latest Updates

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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