Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 pm Saturday 21 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
27.4° C
(Which is slightly warmer than usual)

How big are the waves at Kosi Bay today?

The current surf forecast for Kosi Bay at 5PM is: 2.1m 8s primary swell from a South direction and 0.8m 9s secondary swell from a East direction, 0.2m 13s secondary swell from a South-southwest direction (forecast issued at 01:00pm March 21). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (21 Mar)3.5ft (1.0m)9s
Afternoon (21 Mar)6ft (1.8m)8s
Evening (21 Mar)7ft (2.1m)8s

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


Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tuesday
24
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
1
1
1
1
2
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
S
1.7
S
2.1
S
2.2
S
1.9
S
1.9
SSW
1.7
S
1.3
S
1.1
S
1
S
0.5
S
0.7
E
0.5
S
0.5
S
0.7
E
0.7
S
0.6
S
0.5
S
0.5
S
0.7
E
0.7
S
0.7
E
0.7
E
0.7
E
Period(s) (?)68888888771391212812111010810888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)16338259762446447335519113010484787170681298154516387606058
Wind
(km/h)
25
SSW
20
SSW
25
S
25
SSW
20
SW
15
SW
15
SSW
10
SSW
5
SE
10
NE
15
NE
20
NNE
15
N
15
N
15
NNW
20
NNW
20
N
20
NNE
20
NE
25
S
20
SSW
20
SSW
15
SW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrossglasscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
crosscrosscrosscross
High Tide
/ height (m)
5:11PM
2.26
5:29AM
2.32
5:42PM
2.15
6:01AM
2.15
6:15PM
1.99
6:36AM
1.92
Low Tide
/ height (m)
11:07AM
-0.06
11:17PM
-0.09
11:38AM
0.03
11:50PM
0.04
12:11PM
0.19
12:24AM
0.24
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise-------5:52-------5:52-------5:52
Sunset--5:59-------5:57-------5:55-----
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
-------------------34121
Temp. °C232525252322222325262525252524252929272523232323
Feels °C (?)222524232322222428272626272726273130282624252524
  • 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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