Gansbaai Surf Break

Lat Long: 34.59° S 19.33° E

Gansbaai 48 hour detailed Surf Forecast

Issued: 1 am 21 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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 5ft (1.6m), 12s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.4m), 11s period with SSW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 11s period with WSW swell.

The current surf forecast for Gansbaai at 7AM is: 1.7m 12s primary swell from a West-southwest direction and 1.4m 11s secondary swell from a South-southwest direction (forecast issued at 01:00am August 21). The wind direction is predicted to be offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (21 Aug)5ft (1.6m)12s
Afternoon (21 Aug)4.5ft (1.4m)11s
Evening (21 Aug)4.5ft (1.3m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Fri afternoon, min 10°C on Fri morning). Mainly fresh winds.

Friday
21
Saturday
22
Sunday
23
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
4
3
3
3
3
3
3
2
0
0
0
0
0
1
4
4
4
4
4
3
4
4
3
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)
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
2.2
SW
11
2.5
SW
11
2.4
SW
11
2.3
SW
12
1.9
WSW
14
2.5
WSW
13
2.4
WSW
13
2.4
WSW
13
2.3
WSW
13
2.3
WSW
12
1.9
WSW
12
Wave Graph
Metric surfscale
Energy kJ
1605
1374
821
573
478
435
372
432
370
521
598
569
473
1193
1454
1351
1424
1433
2021
1909
1879
1693
1588
1033
Wind (km/h)
15
ENE
15
ENE
20
ENE
25
E
20
ESE
20
ESE
20
ENE
5
ENE
10
WSW
20
W
20
NW
25
WNW
30
WNW
25
W
20
WSW
5
WSW
0
SSW
5
SE
5
ESE
10
SSE
15
S
10
SSE
5
ESE
5
ESE
Wind State
off
off
off
off
off
off
off
glassy
on
on
cross-on
on
on
on
on
glassy
glassy
glassy
glassy
cross-off
cross
cross-off
off
off
High Tide
9:40AM0.94m
10:21PM1.01m
11:57AM0.98m
00:08AM1.06m
1:01PM1.10m
Low Tide
3:11AM0.66m
3:40PM0.74m
5:33AM0.65m
6:09PM0.70m
6:49AM0.55m
7:10PM0.59m
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:15
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:16
 mm
Temp °C
11
11
10
14
17
18
13
13
13
13
13
16
17
16
15
14
14
14
13
14
15
15
13
12
Feels °C
8
8
6
10
13
14
10
13
12
10
9
11
11
11
12
14
15
14
13
13
13
14
12
11
  • 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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