Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 pm Saturday 16 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
25.6° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Kosi Bay today?

The current surf forecast for Kosi Bay at 10PM is: 1.1m 14s primary swell from a South direction and 0.6m 7s secondary swell from a East direction, 1.6m 6s secondary swell from a South direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (16 May)4.5ft (1.4m)15s
Afternoon (16 May)4.5ft (1.3m)14s
Evening (16 May)3.5ft (1.1m)14s

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 5mm), mostly falling on Sat night. Warm (max 23°C on Sat afternoon, min 20°C on Sun morning). Winds decreasing (fresh winds from the S on Sat afternoon, calm by Tue morning).

Sat
16
Sunday
17
Monday
18
Tue
19
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
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
1
1
0
0
0
1
1
2
2
2
2
0
0
1
2
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.3
S
15
1.3
S
15
1.2
S
14
1.2
S
14
1.1
S
14
1.1
S
13
1
S
13
1.3
S
13
1
S
13
1.1
S
13
1
S
12
0.9
S
12
1
E
7
1
E
7
0.7
S
12
1
S
13
1
S
13
1
S
14
0.8
S
12
0.8
S
12
0.9
S
14
0.9
S
13
0.8
S
13
0.8
S
12
Wave Graph
Metric surfscale
Energy kJ
2289
723
602
585
453
427
350
572
335
398
290
232
103
103
148
352
352
388
190
190
316
264
206
181
Wind (km/h)
35
S
35
S
30
S
25
S
20
SSE
15
SSE
15
S
15
SSE
10
SE
15
SE
10
E
10
ENE
10
NE
5
NW
5
WNW
5
NW
10
NNE
15
NE
15
NE
15
NE
10
NNE
10
NNE
5
NNW
5
N
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross
off
cross-off
off
cross-off
cross
cross
cross
cross-off
cross-off
off
glassy
High Tide
3:21PM2.11m
3:41AM2.26m
4:01PM2.15m
4:21AM2.22m
4:41PM2.13m
5:02AM2.13m
Low Tide
9:14AM0.07m
9:26PM0.03m
9:53AM0.03m
10:07PM0.02m
10:32AM0.05m
10:49PM0.08m
part cloud
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:07
5:07
5:07
5:07
1
1
1
1
1
Temp °C
23
23
23
22
21
21
21
20
22
22
22
22
22
21
20
20
22
23
22
22
22
22
20
20
19
18
19
19
19
20
20
20
22
22
22
22
22
22
21
21
22
22
21
21
21
22
21
21
Swell 1
Height (m)
Direction
Period (s)
0.7
E
6
1.3
S
15
1.2
S
14
1.2
S
14
1.1
S
14
1.1
S
13
1
S
13
1.3
S
13
1
S
13
1.1
S
13
1
S
12
0.9
S
12
1
E
7
1
E
7
0.9
E
7
1
S
13
1
S
13
1
S
14
0.8
S
12
0.9
ENE
8
0.9
S
14
1
E
7
1
E
7
0.9
E
7
Energy kJ
38
723
602
585
453
427
350
572
335
398
290
232
103
103
81
352
352
388
190
94
316
100
103
83
Swell 2
Height (m)
Direction
Period (s)
0.7
E
6
0.6
E
7
0.6
E
7
0.6
E
7
0.6
E
7
0.7
E
7
0.7
E
7
0.8
E
6
0.9
E
6
0.9
E
6
0.9
E
7
0.3
S
15
0.7
S
10
0.7
S
10
0.7
S
12
0.9
E
7
0.8
E
7
0.8
E
7
0.7
E
7
0.8
S
12
0.9
E
8
0.9
S
13
0.8
S
13
0.8
S
12
Energy kJ
37
31
32
31
31
43
43
53
68
68
74
39
94
94
148
81
66
68
53
190
90
264
206
181
Swell 3
Height (m)
Direction
Period (s)
0.8
E
6
0.8
S
6
0.6
S
6
0.5
S
12
0.5
S
12
0.6
S
10
0.4
SE
6
0.5
S
15
0.5
S
15
0.4
SE
7
0.5
S
13
0.2
SSE
16
Energy kJ
54
50
26
75
76
66
15
112
110
16
90
25
Wind waves
Height (m)
Direction
Period (s)
2.3
S
15
2
S
6
2
S
7
1.8
S
7
1.5
S
6
1.2
S
6
1
S
6
1
E
7
0.4
NE
3
Energy kJ
2289
332
353
289
188
109
74
97
3
Nearest Offshore or Glassy
Rating
(10 max)
4
1
4
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
360
407
228
228
177
177
144
144
173
927
380
380
25
0
0
0
0
380
380
363
0
0
0
0
Best forecast wave conditions in KwaZulu-Natal North Coast
Rating
(10 max)
4
4
4
4
3
3
3
3
2
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
3
3
3
4
3
3
3
3
3
3
3
3
3
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
  • 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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