Gansbaai Surf Break

Lat Long: 34.59° S 19.33° E

Gansbaai 48 hour detailed Surf Forecast

Issued: 1 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Gansbaai sea temperature is
15.0° C
0.8° 

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


How big are the waves at Gansbaai today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 11ft (3.5m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 8ft (2.5m), 12s period with SW swell.

The current surf forecast for Gansbaai at 4AM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 01:00am August 20). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 11.

Time (SAST) & DateWave HeightWave Period
Morning (20 Aug)11ft (3.5m)13s
Afternoon (20 Aug)10ft (3.0m)13s
Evening (20 Aug)8ft (2.5m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Fri afternoon, min 10°C on Fri morning). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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)
4
!
!
!
3
3
4
4
4
4
3
3
3
2
3
3
2
0
0
0
0
0
1
4
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)
3
SW
13
3.5
SW
13
3.5
SW
13
3.5
SW
13
3
SW
13
3
SW
12
3
SW
12
2.5
SW
12
2.4
SW
12
2.3
SW
12
1.7
WSW
12
1.5
WSW
11
1.4
SSW
11
1.3
SSW
11
1.3
WSW
11
1.5
SSW
10
1.3
WSW
11
1.5
SSW
11
1.4
SSW
12
1.3
SSW
13
1.3
SSW
12
1.8
SW
12
2.3
SW
11
2.3
SW
11
Wave Graph
Metric surfscale
Energy kJ
2892
4398
4623
4055
3305
2577
2221
1830
1605
1374
821
573
478
435
427
432
366
511
608
578
481
897
1237
1193
Wind (km/h)
5
WNW
0
NNW
10
NNE
0
NE
10
SSW
15
SSE
15
E
15
ENE
15
ENE
15
E
20
ENE
20
E
20
E
25
ESE
20
E
10
ENE
10
SW
15
W
20
WNW
25
WNW
25
WNW
20
WNW
15
W
0
SW
Wind State
glassy
glassy
cross-off
glassy
cross
cross-off
off
off
off
off
off
off
off
cross-off
off
off
cross-on
on
cross-on
on
on
on
on
glassy
High Tide
7:59AM1.02m
8:25PM1.07m
9:40AM0.94m
10:21PM1.01m
11:57AM0.98m
Low Tide
1:50AM0.57m
1:49PM0.65m
3:11AM0.66m
3:40PM0.74m
5:33AM0.65m
6:09PM0.70m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:16
7:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:15
 mm
Temp °C
14
13
13
14
15
14
13
12
12
11
10
14
17
17
13
13
13
13
13
16
16
16
15
14
Feels °C
14
13
12
14
13
11
11
10
10
8
6
10
13
13
10
12
12
11
9
11
11
13
14
15
  • 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 

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 Gansbaai 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.


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