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Surf Forecasts:

Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 7 pm Sunday 18 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 11PM is: 3.5m 9s primary swell from a South direction and 0.9m 10s secondary swell from a East direction, 0.1m 18s secondary swell from a East direction (forecast issued at 07:00pm January 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Jan)--
Afternoon (18 Jan)4ft (1.2m)10s
Evening (18 Jan)11ft (3.5m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
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 (?)
2.4
S
3.5
S
3.5
S
3.5
S
3.5
S
3.5
SSE
3
SSE
3
SSE
2.5
SSE
2.4
SSE
2.3
SSE
2.2
SSE
2.2
SSE
2.1
SSE
2.2
SSE
2.2
SSE
2.1
SSE
2.2
SSE
2
SSE
1.4
S
1.2
S
1.3
ESE
1.2
ESE
1.7
SE
Period(s) (?)789999888887887777777987
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5111487214022142003166712821068845709623498512469522537495485405179140245207284
Wind
(km/h)
40
SSW
45
S
45
S
40
S
40
S
40
S
35
S
35
S
30
S
25
S
30
S
25
S
25
S
30
SSW
30
S
30
S
30
S
25
S
25
S
20
S
20
SSW
20
SSW
25
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		on
High Tide
/ height (m)
3:59PM
1.98
4:18AM
2.01
4:28PM
2.07
4:48AM
2.10
4:57PM
2.12
5:17AM
2.15
Low Tide
/ height (m)
10:08PM
0.20
10:21AM
0.23
10:37PM
0.12
10:51AM
0.17
11:05PM
0.07
11:22AM
0.15
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Sunrise-----5:11-------5:11-------5:11--
Sunset6:45-------6:45-------6:45-------
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
cloud
part cloud
part cloud
light rain
rain showers
clear
Rain (mm)
41221---------1------11-
Temp. °C242423222323242424232323222324242524232220212324
Feels °C (?)202018171818191920202020202020202121212018202022
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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