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Surf Forecasts:

Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 am Thursday 12 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
27.7° C
 (Which is slightly warmer than usual)

How big are the waves at Kosi Bay today?

The current surf forecast for Kosi Bay at 8AM is: 2.5m 9s primary swell from a East-southeast direction and 0.3m 12s secondary swell from a South-southwest direction, 0.1m 19s secondary swell from a South direction (forecast issued at 01:00am March 12). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (12 Mar)8ft (2.5m)9s
Afternoon (12 Mar)8ft (2.4m)9s
Evening (12 Mar)7ft (2.2m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
1
2
2
2
2
2
2
2
3
3
3
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
SE
2.4
ESE
2.5
ESE
2.5
ESE
2.5
ESE
2.5
ESE
2.3
ESE
2.3
ESE
2.2
ESE
2.1
E
2.1
E
2.1
E
2
E
1.9
E
1.9
E
1.8
E
1.7
E
1.8
E
1.8
E
1.9
E
1.7
E
1.6
E
1.5
E
1.5
E
Period(s) (?)999999999999999888999988
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9678681022108310431015826808740726699699627554542465401450481573449380311298
Wind
(km/h)
25
SSE
20
SE
20
SE
20
SSE
25
SSE
25
SSE
20
SSE
20
SE
15
SE
15
SSE
10
SSE
10
S
10
S
5
SSW
5
SSW
10
SSW
10
SSW
5
S
0
SSE
5
WSW
5
E
15
ENE
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononononononcross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		glassglassglasscrosscrosscross
High Tide
/ height (m)
7:52AM
1.29
8:57PM
1.16
12:59PM
1.24
1:43AM
1.34
1:54PM
1.46
Low Tide
/ height (m)
1:35AM
0.88
2:23PM
1.00
5:50AM
1.05
7:27PM
0.92
7:46AM
0.85
Thursday
12
Friday
13
Saturday
14
Sunrise---5:47-------5:48-------5:48----
Sunset------6:07-------6:07-------6:06-
thunderstorm
rain showers
mod rain
rain showers
light rain
part cloud
part cloud
cloud
part cloud
light rain
light rain
light rain
light rain
thunderstorm
light rain
light rain
rain showers
cloud
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
46651----23323411-222311
Temp. °C242323242525252424242323242422232323232325252524
Feels °C (?)242323232424242425252425272725262626272628262625
  • 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

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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.

View detailed surf forecast for Kosi Bay at:
surf-forecast.com

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