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Surf Forecasts:

Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 pm Saturday 17 Jan 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
27.3° 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: 1.5m 10s primary swell from a East direction and 0.1m 14s secondary swell from a South direction, 0.8m 9s secondary swell from a South direction (forecast issued at 01:00pm January 17). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (17 Jan)4.5ft (1.4m)10s
Afternoon (17 Jan)4.5ft (1.4m)10s
Evening (17 Jan)4.5ft (1.4m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tuesday
20
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
1
0
0
1
2
1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
E
1.4
E
1.5
E
1.4
E
1.4
E
1.4
E
1.4
E
1.3
E
1.3
E
1.2
E
1.1
E
3
S
3.5
S
3.5
S
3.5
S
3.5
SSE
3
SSE
2.5
SSE
2.4
SSE
2.1
SSE
1.9
SSE
1.9
SSE
1.9
SSE
1.7
SSE
Period(s) (?)10101010101010101010108999988887777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)384392449392400394394346340290239111818852151206916291145845727564397387376305
Wind
(km/h)
20
SE
15
ESE
15
SE
10
SE
10
ESE
5
W
10
SW
5
W
10
N
15
S
40
SSW
45
S
40
S
40
S
35
S
35
S
30
S
30
S
25
SSE
25
S
25
S
25
SSW
25
S
25
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononglasscrossglasscross-
off		cross-
on		cross-
on		cross-
on		cross-
on		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)
3:28PM
1.87
3:48AM
1.89
3:59PM
1.98
4:18AM
2.01
4:28PM
2.07
4:48AM
2.10
Low Tide
/ height (m)
9:18AM
0.42
9:38PM
0.32
9:51AM
0.31
10:08PM
0.20
10:21AM
0.23
10:37PM
0.12
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise-------5:09-------5:11-------5:11
Sunset--6:45-------6:45-------6:45-----
light rain
mod rain
rain showers
cloud
thunderstorm
light rain
light rain
part cloud
part cloud
thunderstorm
light rain
cloud
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
Rain (mm)
383-121--42-111---------
Temp. °C242424242524232427252424232322222424242323222222
Feels °C (?)262626272929262830272120191918182020212021191919
  • 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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