Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 am Thursday 28 May 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
25.1° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Kosi Bay today (28 May):

  • Morning surf: Morning surf (28 May, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (28 May, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Evening surf: Evening surf (28 May, local time) - 1.5ft (0.5m), 7s period with E swell.

The current surf forecast for Kosi Bay at 7AM is: 0.4m 10s primary swell from a Southeast direction and 0.4m 6s secondary swell from a East direction (forecast issued at 01:00am May 28). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (28 May)1.5ft (0.4m)10s
Afternoon (28 May)1.5ft (0.4m)9s
Evening (28 May)1.5ft (0.5m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 20°C on Thu morning). Wind will be generally light.

Thursday
28
Friday
29
Saturday
30
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 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
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.5
E
7
0.5
E
7
0.5
E
7
0.6
E
7
0.5
E
7
0.5
E
7
0.2
SSW
20
0.2
SSW
19
0.2
SSW
19
0.3
SSW
19
0.9
SSW
4
1.2
S
5
1.3
S
6
1.3
S
6
1.1
SSE
6
0.9
SSE
6
1
SSE
6
0.7
S
6
Wave Graph
Metric surfscale
Energy kJ
49
35
34
24
23
22
25
24
23
33
22
22
38
37
35
69
29
71
104
122
92
61
68
36
Wind (km/h)
15
N
20
N
20
N
20
N
20
NNE
15
NE
15
NE
10
NNE
10
NNW
10
NNW
10
NNW
10
N
15
NE
10
ENE
15
SSE
20
SSW
25
S
25
S
25
S
20
SSE
20
SSE
20
SE
15
SE
10
SSE
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
off
off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
High Tide
1:50AM1.83m
2:10PM1.75m
2:26AM1.89m
2:45PM1.82m
2:58AM1.93m
3:17PM1.88m
Low Tide
8:03AM0.45m
8:12PM0.42m
8:37AM0.36m
8:47PM0.36m
9:09AM0.30m
9:20PM0.31m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
light rain
part cloud
part cloud
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:02
5:02
5:02
1
1
2
Temp °C
21
20
20
23
24
23
23
23
22
21
21
23
24
23
22
20
20
21
21
23
23
21
21
21
21
19
19
21
22
22
23
24
23
23
23
24
23
23
22
19
18
18
19
21
21
19
20
21
Swell 1
Height (m)
Direction
Period (s)
0.5
SE
10
0.4
E
6
0.4
E
6
0.4
E
6
0.4
E
6
0.4
E
7
0.5
E
7
0.5
E
7
0.5
E
7
0.6
E
7
0.5
E
7
0.5
E
7
0.5
E
7
0.5
E
7
0.5
E
6
0.5
E
6
0.5
E
7
0.5
E
7
0.4
ESE
7
0.4
ESE
6
0.4
ESE
6
0.4
ESE
8
0.4
ESE
8
0.7
S
6
Energy kJ
49
12
12
12
13
16
25
24
23
33
22
22
21
21
21
21
21
23
15
14
13
19
19
36
Swell 2
Height (m)
Direction
Period (s)
0.4
E
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.3
SE
9
0.2
SSE
9
0.2
SSE
9
0.4
NNE
4
0.4
NNE
4
0.1
SE
8
0.2
SSW
20
0.2
SSW
19
0.2
SSW
19
0.3
SSW
19
0.2
SSW
16
0.2
SSW
16
0.2
SSW
15
0.2
SSW
14
0.2
SSW
18
0.2
SSW
14
0.2
SSW
16
0.4
ESE
8
Energy kJ
13
35
34
24
23
22
13
8
8
6
7
3
38
37
35
69
26
25
23
20
32
20
26
19
Swell 3
Height (m)
Direction
Period (s)
0.1
S
11
0.1
S
11
0.1
S
10
0.1
S
10
0.1
S
10
0.1
S
10
0.2
S
9
0.1
SE
12
0.2
S
9
0.2
SSE
9
0.1
SE
9
0.1
S
21
0.2
S
9
0.2
S
9
0.2
NNE
3
0.1
SE
8
0.1
S
20
0.1
S
20
0.1
S
20
0.2
S
19
0.2
SSW
14
0.2
S
17
0.2
SSW
14
Energy kJ
2
2
2
2
2
2
6
6
6
8
3
8
6
6
1
3
8
8
7
28
20
22
21
Wind waves
Height (m)
Direction
Period (s)
0.7
NNE
4
0.7
NNE
4
0.7
NNE
4
0.7
NNE
4
0.8
NNE
4
0.7
NE
4
0.6
NE
4
0.6
NE
4
0.6
NE
4
0.5
NE
4
0.3
NNE
4
0.4
NE
4
0.2
NNE
4
0.5
S
3
0.9
SSW
4
1.2
S
5
1.3
S
6
1.3
S
6
1.1
SSE
6
0.9
SSE
6
1
SSE
6
0.5
E
5
Energy kJ
13
17
18
19
21
18
14
12
10
7
3
4
1
4
29
71
104
122
92
61
68
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
2
5
4
3
1
2
2
2
2
2
1
1
2
Distance (km)
258
258
258
228
407
173
173
144
3
3
144
173
1061
779
614
428
319
228
228
228
177
380
258
177
Best forecast wave conditions in KwaZulu-Natal North Coast
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in South Africa
Rating
(10 max)
5
5
5
6
5
7
7
6
4
4
5
6
5
4
4
4
4
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
6
9
9
8
9
8
7
7
7
6
5
6
5
5
5
5
5
5
5
5
5
6
8
7
  • 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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