Kosi Bay Surf Break

Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 1 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
24.7° C

1.6°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.

Surf Forecasts:

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 8PM is: 0.7m 15s primary swell from a South direction and 0.6m 9s secondary swell from a South direction, 0.7m 9s secondary swell from a East direction (forecast issued at 01:00pm June 17). The wind direction is predicted to be onshore.

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 
16 DaysHourly
Print Table

Short Range Forecast

Moderate rain (total 13mm), heaviest on Fri afternoon. Warm (max 23°C on Wed afternoon, min 19°C on Thu morning). Winds increasing (calm on Wed night, fresh winds from the S by Fri afternoon).

Wed
17
Thursday
18
Friday
19
Sat
20
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
1
1
2
2
1
2
2
2
2
2
3
3
0
0
0
0
0
0
0
0
0
1
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)
0.8
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
0.8
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
1
S
13
1.6
S
5
1.9
S
6
2.1
S
7
2.1
S
7
2
S
7
1.8
SSE
7
1.8
SSE
7
1.9
SSE
13
Wave Graph
Metric surfscale
Energy kJ
128
129
177
218
155
150
144
306
322
501
590
545
510
489
456
366
141
273
378
403
377
317
310
1288
Wind (km/h)
15
SSW
15
SSE
10
SE
5
SE
5
SE
0
W
10
W
10
WSW
5
SW
5
E
10
E
10
ENE
5
W
10
WSW
20
SW
25
SSW
30
SSW
30
S
30
S
30
S
30
S
25
S
20
S
20
SSE
Wind State
cross-on
cross-on
on
on
glassy
glassy
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:25PM2.09m
5:43AM2.02m
6:11PM2.04m
6:26AM1.91m
6:59PM1.95m
7:12AM1.79m
Low Tide
11:10AM0.11m
11:34PM0.20m
11:53AM0.16m
00:20AM0.31m
12:38PM0.25m
1:08AM0.44m
clear
clear
clear
clear
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
rain showers
light rain
cloud
cloud
<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
—
—
—
—
5:02
 mm
—
—
—
—
1
1
1
—
—
—
—
—
—
—
1
1
1
2
2
—
2
1
—
—
Temp °C
23
23
22
22
21
20
20
19
21
22
22
22
21
20
19
19
21
21
21
21
20
20
20
21
Feels °C
22
22
23
23
23
22
21
20
22
23
23
22
22
20
17
16
17
17
16
17
16
16
17
18
Swell 1
Height (m)
Direction
Period (s)
0.8
S
10
0.7
S
10
0.7
S
10
0.7
S
15
0.6
S
15
0.7
ESE
9
0.6
S
14
0.8
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
1
S
13
0.4
E
8
0.4
E
8
0.4
E
8
0.5
S
14
0.5
S
14
0.6
S
13
0.8
S
13
0.3
E
9
Energy kJ
128
96
89
218
155
70
144
306
322
501
590
545
510
489
456
366
21
21
21
106
101
128
219
14
Swell 2
Height (m)
Direction
Period (s)
0.5
E
6
0.5
S
16
0.6
S
16
0.6
S
9
0.6
S
9
0.6
S
14
0.5
SE
4
0.7
ESE
8
0.6
ESE
8
0.6
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.4
E
8
0.3
SSW
16
0.4
E
8
0.4
E
8
0.3
E
8
0.3
E
9
0.3
E
8
0.3
E
9
—
Energy kJ
20
129
177
59
57
150
10
64
55
50
49
49
33
32
32
21
50
21
21
12
13
12
13
—
Swell 3
Height (m)
Direction
Period (s)
0.4
S
16
0.5
E
6
0.5
E
9
0.5
E
9
0.6
E
9
0.5
S
9
0.5
E
9
0.1
SE
11
0.5
S
9
0.4
S
7
0.1
SE
11
0.1
SE
10
0.1
SE
9
0.1
SE
9
0.1
SE
8
0.2
E
4
—
0.3
SSW
16
0.1
S
13
—
—
—
—
—
Energy kJ
84
20
43
40
57
41
37
5
38
17
5
4
3
3
3
1
—
51
4
—
—
—
—
—
Wind waves
Height (m)
Direction
Period (s)
—
—
—
0.7
E
9
0.6
SE
4
—
—
—
—
—
—
—
—
—
0.3
SSW
2
0.8
S
4
1.6
S
5
1.9
S
6
2.1
S
7
2.1
S
7
2
S
7
1.8
SSE
7
1.8
SSE
7
1.9
SSE
13
Energy kJ
—
—
—
79
16
—
—
—
—
—
—
—
—
—
1
18
141
273
378
403
377
317
310
1288
Nearest Offshore or Glassy
Alkantstrand
KZN North
Mdumbe
Eastern Cape - Wild Coast
Addington (South Beach)
Durban/KZN South
Mtunzini
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Richards Bay (Inside)
KZN North
Reunion
Durban/KZN South
Alkantstrand
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Alkantstrand
KZN North
Quissico
Inhambane
Praia de Zavora
Inhambane
Whispering Waves
Eastern Cape - Wild Coast
Mntafufu
Eastern Cape - Wild Coast
Addington (South Beach)
Durban/KZN South
Blythedale
KZN North
Alkantstrand
KZN North
Alkantstrand
KZN North
Alkantstrand
KZN North
Rating
(10 max)
2
2
1
2
2
2
1
2
2
3
3
4
3
3
3
4
3
4
4
2
3
4
4
4
Distance (km)
228
666
378
258
0
0
0
0
0
229
380
228
0
0
228
290
349
779
614
378
319
228
228
228
Best forecast wave conditions in KwaZulu-Natal North Coast
Richards Bay (Outside)
Umhlanga
Richards Bay (Outside)
Mapelane
Umhlanga
Richards Bay (Outside)
Cape Vidal
Richards Bay (Outside)
Siyayi
Mapelane
Alkantstrand
Alkantstrand
Umdloti
Alkantstrand
Umhlanga
Richards Bay (Outside)
Rating
(10 max)
2
2
2
3
3
3
4
3
4
4
3
3
3
4
4
4
Best forecast wave conditions in South Africa
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Koeel Bay
Overberg
Koeel Bay
Overberg
Koeel Bay
Overberg
Vleesbaai
Overberg
Vleesbaai
Overberg
Barbel Point
Eastern Cape - Wild Coast
Barbel Point
Eastern Cape - Wild Coast
Gerickes Point
Garden Route
Goukamma River Mouth
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Yellow sands Point
Eastern Cape - Wild Coast
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Gerickes Point
Garden Route
Goukamma River Mouth
Garden Route
Haga-Haga
Eastern Cape - Wild Coast
Rating
(10 max)
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Papatowai
New Zealand
Ahijedero
Mexico
Ahijedero
Mexico
Otago Peninsula - Allans Beach
New Zealand
Dunedin - Cob Cottage
New Zealand
Cobblestones
Australia
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Dinner Plates
New Zealand
Otago Peninsula - Allans Beach
New Zealand
Dinner Plates
New Zealand
Seconds (White Rock)
New Zealand
Tora Point
New Zealand
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Mata Veri
Chile
Ahijedero
Mexico
Barbel Point
South Africa
Mata Veri
Chile
Bankvaults
Indonesia
Amanzimtoti
South Africa
Trial Harbour
Australia
Rating
(10 max)
5
4
4
4
5
5
9
9
9
6
5
5
6
5
6
6
6
7
4
4
7
4
4
5
  • 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

Latest Updates

Read more

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kosi Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Kosi Bay at:
surf-forecast.com

Nearest locationNearest