Kosi Bay surfForecast / KZN North / South Africa

information circle48hr Weather and Surf, issued 1 am 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
25.7° C
(Which is 1.2°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 9AM is: 1.4m 15s primary swell from a South direction and 0.8m 6s secondary swell from a East direction, 1.5m 6s secondary swell from a South direction (forecast issued at 01:00am May 16). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (16 May)4.5ft (1.4m)15s
Afternoon (16 May)8ft (2.5m)15s
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

Some drizzle, heaviest during Sat afternoon. Warm (max 23°C on Sat morning, min 20°C on Sat morning). Winds decreasing (fresh winds from the S on Sat afternoon, light winds from the NW by Mon night).

Saturday
16
Sunday
17
Monday
18
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)
3
0
0
0
0
0
0
0
0
0
0
1
0
0
1
2
2
2
2
2
1
0
0
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
S
16
1.4
S
16
1.4
S
15
2.4
S
15
2.5
S
15
1.2
S
14
1.2
S
14
1.1
S
14
1.1
S
13
1
S
13
1
S
13
1.3
S
13
1.1
S
13
1.1
S
12
0.9
S
12
0.7
S
10
0.7
S
10
0.7
S
12
1
S
13
1
S
13
1
S
14
0.9
S
12
0.8
S
12
0.9
S
14
Wave Graph
Metric surfscale
Energy kJ
1017
979
930
2513
2616
602
585
453
427
350
350
560
395
347
232
92
92
148
352
352
388
247
190
316
Wind (km/h)
15
SSW
25
S
30
SSW
35
S
35
S
30
S
25
S
25
S
20
S
15
S
15
S
15
SSE
15
ESE
10
E
15
ENE
10
NNE
5
NW
10
NW
10
NNW
10
NNE
15
NE
15
NE
15
NE
10
NNE
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross-off
off
off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
3:02AM2.23m
3:21PM2.11m
3:41AM2.26m
4:01PM2.15m
4:21AM2.22m
4:41PM2.13m
Low Tide
9:14AM0.07m
9:26PM0.03m
9:53AM0.03m
10:07PM0.02m
10:32AM0.05m
10:49PM0.08m
thunderstorm
thunderstorm
part cloud
cloud
thunderstorm
cloud
cloud
clear
part cloud
part cloud
cloud
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
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:07
5:07
5:07
3
1
1
Temp °C
21
21
20
23
23
23
22
22
22
21
20
23
23
22
22
22
21
20
20
22
23
22
22
22
22
19
17
19
19
19
19
19
20
20
19
22
22
22
22
23
22
21
21
22
22
21
20
22
Swell 1
Height (m)
Direction
Period (s)
1.4
S
16
1.4
S
16
1.4
S
15
0.7
E
6
0.6
E
7
1.2
S
14
1.2
S
14
1.1
S
14
1.1
S
13
1
S
13
1
S
13
1.3
S
13
1.1
S
13
1.1
S
12
0.9
S
12
0.9
ENE
7
0.9
ENE
7
0.9
E
7
1
S
13
1
S
13
1
S
14
0.9
ENE
7
0.8
S
12
0.9
ENE
8
Energy kJ
1017
979
930
39
32
602
585
453
427
350
350
560
395
347
232
84
86
83
352
352
388
91
190
96
Swell 2
Height (m)
Direction
Period (s)
1.1
E
6
0.9
E
6
0.8
E
6
0.5
E
7
0.6
E
7
0.6
E
7
0.7
E
7
0.6
E
7
0.6
E
7
0.6
E
7
0.7
E
7
0.8
E
7
0.9
E
7
0.7
S
10
0.7
S
10
0.7
S
12
0.9
E
7
0.8
E
7
0.8
ENE
7
0.9
S
12
0.5
S
15
0.9
S
14
Energy kJ
89
60
49
22
31
31
43
34
34
34
47
61
79
92
92
148
83
66
71
247
110
316
Swell 3
Height (m)
Direction
Period (s)
0.3
S
15
0.5
S
12
0.5
S
12
0.7
S
10
0.5
S
15
0.5
S
15
0.4
SE
6
0.4
SE
6
Energy kJ
39
75
76
90
113
112
10
14
Wind waves
Height (m)
Direction
Period (s)
0.8
S
4
1.5
S
6
2.4
S
15
2.5
S
15
2.1
S
7
1.9
S
7
1.6
S
7
1.3
S
6
1.2
S
6
0.9
SSE
6
0.4
NE
3
0.9
ENE
7
1.1
E
7
Energy kJ
18
141
2513
2616
401
326
226
139
112
64
2
91
126
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
4
3
4
4
4
4
3
3
3
2
2
3
2
2
2
2
2
2
2
2
3
Distance (km)
378
378
378
425
378
228
177
177
144
144
144
144
927
380
595
0
0
0
0
0
380
380
337
0
Best forecast wave conditions in KwaZulu-Natal North Coast
Rating
(10 max)
4
4
4
4
3
3
3
2
2
2
2
2
2
3
Best forecast wave conditions in South Africa
Rating
(10 max)
5
5
4
4
4
4
4
4
4
3
3
3
4
3
3
3
3
3
3
3
3
3
4
4
Header Global
Rating
(10 max)
5
5
5
4
5
6
6
5
4
5
4
7
9
9
4
4
4
4
5
4
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)
Map placeholder

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