Gansbaai Surf Break

Lat Long: 34.59° S 19.33° E

Gansbaai 48 hour detailed Surf Forecast

Issued: 1 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Gansbaai sea temperature is
14.6° C
1.2° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 7ft (2.1m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 12s period with SW swell.

The current surf forecast for Gansbaai at 8AM is: 2.1m 12s primary swell from a Southwest direction and 1.4m 13s secondary swell from a West-southwest direction (forecast issued at 01:00am August 18). The wind direction is predicted to be glassy and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (18 Aug)7ft (2.1m)12s
Afternoon (18 Aug)10ft (3.0m)13s
Evening (18 Aug)10ft (3.0m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Tue afternoon, min 11°C on Tue night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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)
2
2
4
4
3
3
4
4
4
4
4
3
2
2
2
3
3
!
!
!
4
3
3
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)
2.2
WSW
13
2
WSW
13
2.1
SW
12
1.9
WSW
12
2.5
SW
13
3
SW
13
3
SW
12
3
SW
12
3
SW
12
3
SW
12
3
SW
12
2.5
SW
12
2.5
SW
12
2.5
SW
12
2.3
SW
12
2.4
SW
12
3
SW
13
3.5
SW
13
3.5
SW
13
3.5
SW
13
3
SW
13
3
SW
12
2.5
SW
12
2.5
SW
12
Wave Graph
Metric surfscale
Energy kJ
1624
1256
1337
1068
2436
2984
2990
2801
2507
2233
2196
1978
1771
1742
1576
1693
2672
4082
4233
3619
3116
2577
2078
1731
Wind (km/h)
15
WNW
15
W
5
WSW
5
S
10
S
15
SE
20
ESE
15
E
15
ENE
10
E
5
ENE
5
SW
15
WSW
15
W
10
NW
10
NNW
10
N
5
NNE
10
NE
5
SSE
15
SSE
20
SSE
15
ESE
15
E
Wind State
on
on
glassy
glassy
cross
cross-off
off
off
off
off
glassy
cross-on
on
on
cross-on
cross-on
cross
glassy
cross-off
glassy
cross-off
cross-off
cross-off
off
High Tide
6:29AM1.25m
6:46PM1.33m
7:07AM1.13m
7:25PM1.19m
7:59AM1.02m
8:25PM1.07m
Low Tide
00:30AM0.32m
12:28PM0.39m
1:06AM0.45m
1:02PM0.53m
1:50AM0.57m
1:49PM0.65m
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:18
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:14
6:15
 mm
Temp °C
14
14
14
14
15
15
13
12
11
11
11
13
14
14
14
14
13
13
13
14
14
14
13
12
Feels °C
12
12
14
13
13
12
9
9
8
9
10
12
11
11
12
12
11
12
12
13
11
11
10
9
  • 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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