Kosi Bay Surf Break

Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 7 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Kosi Bay sea temperature is
24.6° C

1.5°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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 2.5ft (0.8m), 16s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.0m), 16s period with S swell.
  • Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.1m), 15s period with S swell.

The current surf forecast for Kosi Bay at 3PM is: 1.0m 16s primary swell from a South direction and 0.6m 8s secondary swell from a East direction (forecast issued at 07:00am June 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Jun)2.5ft (0.8m)16s
Afternoon (18 Jun)3.5ft (1.0m)16s
Evening (18 Jun)3.5ft (1.1m)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

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

Thursday
18
Friday
19
Saturday
20
Sun
21
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
2 AM
Rating
(10 max)
2
2
2
2
2
2
3
3
0
0
0
0
0
0
0
0
0
1
2
0
0
1
2
2
Swell
Height Map
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)
0.6
S
14
0.8
S
16
0.8
S
16
1
S
16
1
S
16
1.1
S
15
1.1
S
15
1.1
S
14
1
S
14
1.7
S
5
2
S
6
2.1
S
7
2.3
S
7
2.3
S
7
2.2
S
7
2
S
7
1.8
SSE
7
1.9
SSE
13
1.9
SSE
12
1.8
SSE
12
1.8
SSE
12
1.7
SSE
12
1.6
SSE
12
1.5
SSE
11
Wave Graph
Metric surfscale
Energy kJ
144
306
322
501
488
545
510
501
383
152
314
377
509
554
522
435
328
1230
1155
976
944
833
636
531
Wind (km/h)
5
WSW
10
WSW
5
SW
5
E
10
E
10
ENE
5
NW
10
WSW
25
SSW
30
SSW
30
S
30
S
35
S
35
S
30
S
25
S
20
S
15
SSE
15
SSE
20
SE
15
ESE
10
E
10
E
10
ENE
Wind State
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross
High Tide
6:11PM2.04m
6:26AM1.91m
6:59PM1.95m
7:12AM1.79m
7:49PM1.83m
Low Tide
11:53AM0.16m
00:20AM0.31m
12:38PM0.25m
1:08AM0.44m
1:24PM0.37m
1:59AM0.57m
rain showers
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
rain showers
rain showers
light rain
light rain
cloud
part cloud
part cloud
light rain
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
—
—
—
—
—
—
—
6:35
—
—
—
—
—
—
—
6:35
—
—
—
—
—
—
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
5:02
—
—
—
—
—
—
—
5:02
—
—
—
—
—
—
—
5:02
—
—
5:02
 mm
1
—
—
—
—
—
—
—
1
1
—
2
1
1
1
—
—
—
1
—
—
—
—
—
Temp °C
20
20
22
23
22
22
22
20
19
19
21
21
21
21
20
20
20
20
21
21
21
21
21
21
Feels °C
21
21
24
24
22
22
23
20
17
16
17
17
16
16
16
17
16
18
19
18
18
19
20
19
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
9
0.8
S
16
0.8
S
16
1
S
16
1
S
16
1.1
S
15
1.1
S
15
1.1
S
14
1
S
14
0.4
E
8
0.4
E
8
0.3
E
8
0.3
E
8
0.4
SSW
14
0.4
SSW
14
0.5
S
14
0.8
S
11
0.2
E
9
1.9
SSE
12
1.8
SSE
12
1.8
SSE
12
1.7
SSE
12
1.6
SSE
12
1.5
SSE
11
Energy kJ
86
306
322
501
488
545
510
501
383
21
21
12
12
69
66
93
166
6
1155
976
944
833
636
531
Swell 2
Height (m)
Direction
Period (s)
0.6
S
14
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
0.4
E
8
—
0.3
SSW
16
0.3
SSW
16
0.3
E
8
0.3
E
9
0.3
E
8
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
Energy kJ
144
75
55
50
49
49
32
33
21
—
50
51
12
13
12
6
6
6
6
6
6
6
6
6
Swell 3
Height (m)
Direction
Period (s)
0.5
S
9
0.1
SE
11
0.5
S
9
0.2
SSE
8
0.1
SE
11
0.1
SE
10
0.1
SE
9
0.1
SE
9
0.3
E
5
—
—
—
0.1
E
7
0.1
E
7
0.1
E
7
—
0.2
E
9
—
—
—
—
—
—
—
Energy kJ
38
5
38
7
5
4
3
3
4
—
—
—
1
1
1
—
6
—
—
—
—
—
—
—
Wind waves
Height (m)
Direction
Period (s)
—
—
—
—
—
—
—
—
0.7
SSW
3
1.7
S
5
2
S
6
2.1
S
7
2.3
S
7
2.3
S
7
2.2
S
7
2
S
7
1.8
SSE
7
1.9
SSE
13
—
—
—
—
—
—
Energy kJ
—
—
—
—
—
—
—
—
9
152
314
377
509
554
522
435
328
1230
—
—
—
—
—
—
Nearest Offshore or Glassy
Kosi Bay
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Reunion
Durban/KZN South
Salmon Bay
KZN North
Alkantstrand
KZN North
Kosi Bay
KZN North
Kosi Bay
KZN North
Quissico
Inhambane
Quissico
Inhambane
Praia de Zavora
Inhambane
Tofinho
Inhambane
The Spot
Durban/KZN South
Addington (South Beach)
Durban/KZN South
Blythedale
KZN North
Alkantstrand
KZN North
Alkantstrand
KZN North
Alkantstrand
KZN North
St Lucia
KZN North
Van Stadens Mouth
Eastern Cape (S)
Van Stadens Mouth
Eastern Cape (S)
Mtati
Eastern Cape (S)
Mngazi
Eastern Cape - Wild Coast
Mbotyi
Eastern Cape - Wild Coast
Rating
(10 max)
2
2
2
3
3
4
3
3
4
4
3
2
3
3
3
4
4
4
4
3
3
2
2
2
Distance (km)
0
0
0
380
350
228
0
0
290
290
349
428
431
378
319
228
228
228
173
1077
1077
927
630
595
Best forecast wave conditions in KwaZulu-Natal North Coast
Umhlanga
Richards Bay (Outside)
Umhlanga
Umhlanga
Siyayi
Mapelane
Sodwana
Umhlanga
Umhlanga
Umhlanga
Umhlanga
Richards Bay (Outside)
Rating
(10 max)
3
3
3
3
4
4
3
3
4
4
4
4
Best forecast wave conditions in South Africa
Koeel Bay
Overberg
Paranoia
Overberg
Vleesbaai
Overberg
Vleesbaai
Overberg
Barbel Point
Eastern Cape - Wild Coast
Goukamma River Mouth
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
Van Stadens Mouth
Eastern Cape (S)
Richards Bay (Outside)
KZN North
Gerickes Point
Garden Route
Goukamma River Mouth
Garden Route
The Hoek
Cape Town
Cintsa West
Eastern Cape - Wild Coast
Queensberry Bay
Eastern Cape - Wild Coast
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Header Global
Boneyards
South Africa
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Otago Peninsula - Allans Beach
New Zealand
Dinner Plates
New Zealand
Dinner Plates
New Zealand
Ning Nong Point and Reef
New Zealand
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Mata Veri
Chile
Mata Veri
Chile
Banana Beach
South Africa
Amanzimtoti
South Africa
Amanzimtoti
South Africa
Amanzimtoti
South Africa
Ahijedero
Mexico
Trial Harbour
Australia
Lebu
Chile
Lebu
Chile
Lebu
Chile
Bankvaults
Indonesia
Buchupureo
Chile
Rating
(10 max)
5
9
9
9
5
5
5
5
6
6
6
6
7
4
4
4
4
4
5
5
9
9
4
9
  • 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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