Kosi Bay Surf Break

Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 1 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
24.6° C

1.4°C warmer than normal for this time of year

Kosi Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Kosi Bay today (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 2.5ft (0.8m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 1.5ft (0.5m), 16s period with S swell.
  • Evening surf: Evening surf (17 Jun, local time) - 2ft (0.6m), 15s period with S swell.

The current surf forecast for Kosi Bay at 4AM is: 0.9m 10s primary swell from a South direction and 0.6m 7s secondary swell from a East direction (forecast issued at 01:00am June 17). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (17 Jun)2.5ft (0.8m)10s
Afternoon (17 Jun)1.5ft (0.5m)16s
Evening (17 Jun)2ft (0.6m)15s

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 8mm), mostly falling on Wed night. Warm (max 23°C on Wed morning, min 19°C on Thu morning). Winds increasing (calm on Wed night, fresh winds from the S by Fri afternoon).

Wednesday
17
Thursday
18
Friday
19
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)
2
1
1
0
0
0
1
2
2
2
1
1
2
2
2
3
3
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
10
0.9
S
10
0.9
S
10
0.8
S
10
0.5
S
16
0.6
S
16
0.7
S
15
0.6
S
15
0.6
S
14
0.6
S
14
0.7
S
16
0.8
S
16
1
S
16
1.1
S
16
1.1
S
15
1.1
S
15
1.1
S
14
1.1
S
14
0.9
SSW
13
1.9
S
6
2.1
S
6
2.3
S
7
2.3
S
7
2.2
S
7
Wave Graph
Metric surfscale
Energy kJ
165
159
158
128
129
177
218
155
150
144
236
322
501
590
545
510
501
462
299
233
343
509
569
537
Wind (km/h)
10
WSW
15
SW
15
SW
10
SSW
15
SSE
15
SE
10
SE
5
SSE
5
SSW
5
WSW
10
SW
10
SSW
10
SE
10
SE
5
E
5
W
15
WSW
20
SW
30
SSW
30
S
35
S
30
S
25
S
25
S
Wind State
cross-off
cross
cross
cross-on
on
on
on
glassy
glassy
cross-off
cross
cross
on
on
cross-on
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:00AM2.09m
5:25PM2.09m
5:43AM2.02m
6:11PM2.04m
6:26AM1.91m
6:59PM1.95m
Low Tide
11:10AM0.11m
11:34PM0.20m
11:53AM0.16m
00:20AM0.31m
12:38PM0.25m
clear
clear
clear
part cloud
clear
clear
clear
rain showers
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
rain showers
rain showers
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:01
5:02
5:02
 mm
1
1
1
1
1
1
1
1
Temp °C
21
20
20
23
23
22
22
21
21
20
19
21
23
21
21
21
19
19
19
21
21
22
21
20
Feels °C
22
20
20
23
22
22
23
22
23
21
20
22
24
22
22
22
19
17
16
17
16
18
18
16
Swell 1
Height (m)
Direction
Period (s)
0.9
S
10
0.9
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.6
S
10
0.7
S
15
0.6
S
15
0.6
S
14
0.6
S
14
0.7
SE
8
0.8
S
16
1
S
16
1.1
S
16
1.1
S
15
1.1
S
15
1.1
S
14
1.1
S
14
0.9
SSW
13
0.4
E
8
0.3
E
8
0.3
E
8
0.4
SSW
14
0.4
SSW
14
Energy kJ
165
159
158
128
96
65
218
155
150
144
74
322
501
590
545
510
501
462
299
21
12
12
68
63
Swell 2
Height (m)
Direction
Period (s)
0.6
E
7
0.6
E
6
0.5
E
6
0.5
E
6
0.5
S
16
0.6
S
16
0.6
S
9
0.5
E
9
0.5
E
9
0.6
SE
5
0.7
S
16
0.7
ESE
8
0.6
E
8
0.6
ESE
8
0.6
ESE
8
0.5
E
8
0.5
E
8
0.4
E
8
0.4
E
8
0.3
SSW
16
0.3
SSW
16
0.3
E
8
0.3
E
9
0.3
E
8
Energy kJ
34
31
20
20
129
177
59
39
39
13
236
62
50
53
53
34
33
21
21
50
51
12
13
12
Swell 3
Height (m)
Direction
Period (s)
0.2
S
15
0.2
S
15
0.3
S
15
0.4
S
16
0.4
ESE
6
0.5
E
9
0.5
E
9
0.5
S
9
0.5
SE
5
0.5
E
9
0.4
S
8
0.5
S
9
0.2
SSE
8
0.1
SE
11
0.1
SE
10
0.2
SSE
9
0.1
SE
9
0.1
SE
8
0.2
SSE
8
0.1
E
7
Energy kJ
17
18
41
84
13
43
40
40
11
37
22
38
7
5
4
8
3
3
7
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
3
0.5
ESE
6
0.8
ESE
5
0.7
SE
5
0.8
ESE
9
0.6
ESE
4
0.7
ESE
8
0.6
ESE
4
0.5
SW
3
1
SSW
4
1.9
S
6
2.1
S
6
2.3
S
7
2.3
S
7
2.2
S
7
Energy kJ
4
19
28
22
101
13
73
12
5
40
233
343
509
569
537
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
1
2
2
2
2
2
2
4
3
3
3
3
3
3
3
3
3
3
Distance (km)
258
228
0
228
228
228
378
297
229
173
25
0
0
144
380
337
229
0
0
228
228
349
614
431
Best forecast wave conditions in KwaZulu-Natal North Coast
Rating
(10 max)
2
2
2
2
2
2
2
2
2
3
3
3
4
3
3
4
4
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
3
3
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
4
4
5
5
8
8
5
4
4
4
6
5
9
7
6
5
5
6
5
6
6
6
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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