Kosi Bay Surf Break

Lat Long: 26.87° S 32.89° E

Kosi Bay 48 hour detailed Surf Forecast

Issued: 1 pm 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
23.5° C
1.2° 

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 (27 Jul):

  • Morning surf: Morning surf (27 Jul, local time) - 3.5ft (1.1m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (27 Jul, local time) - 1.5ft (0.5m), 17s period with S swell.
  • Evening surf: Evening surf (27 Jul, local time) - 2.5ft (0.8m), 8s period with SE swell.

The current surf forecast for Kosi Bay at 8PM is: 0.8m 8s primary swell from a Southeast direction and 0.4m 16s secondary swell from a South direction, 0.8m 4s secondary swell from a Northeast direction (forecast issued at 01:00pm July 27). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (27 Jul)3.5ft (1.1m)9s
Afternoon (27 Jul)1.5ft (0.5m)17s
Evening (27 Jul)2.5ft (0.8m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Warm (max 22°C on Tue afternoon, min 15°C on Wed night). Winds increasing (light winds from the WSW on Mon night, fresh winds from the SSW by Wed afternoon).

Mon
27
Tuesday
28
Wednesday
29
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)
1
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SE
9
0.5
S
17
0.5
S
16
0.8
SE
8
0.7
ESE
8
0.8
ESE
8
0.8
ESE
8
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.8
ESE
8
0.8
ESE
10
1.4
SSW
6
1.8
SSW
6
2.3
S
7
2.5
S
8
2.5
S
8
2.5
S
8
3
S
8
2.5
S
8
2.4
S
8
Wave Graph
Metric surfscale
Energy kJ
172
151
135
82
62
75
75
54
68
68
87
123
122
256
509
784
966
1010
1136
986
778
Wind (km/h)
25
N
25
NNE
20
NE
15
NE
10
NNE
10
WSW
15
SW
10
SW
10
S
15
SSE
15
S
20
S
25
SSW
30
SSW
25
SSW
25
SW
30
SSW
30
SSW
25
SSW
25
SSW
25
SSW
Wind State
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
High Tide
3:04PM1.71m
3:17AM1.81m
3:36PM1.85m
3:47AM1.93m
4:06PM1.97m
Low Tide
8:54AM0.50m
9:07PM0.48m
9:26AM0.37m
9:39PM0.36m
9:56AM0.25m
10:09PM0.27m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:17
5:19
 mm
1
3
1
Temp °C
20
21
20
20
20
19
17
17
21
22
21
20
18
18
17
17
19
20
20
19
16
Feels °C
16
16
17
18
19
19
15
16
20
20
20
18
15
14
13
14
14
15
16
16
13
  • 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
How to use the Wavefinder 

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