Gansbaai Surf Break

Lat Long: 34.59° S 19.33° E

Gansbaai 48 hour detailed Surf Forecast

Issued: 1 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Gansbaai sea temperature is
14.5°C
1.3° 

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 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.9m), 12s period with SW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 6ft (1.8m), 13s period with SW swell.

The current surf forecast for Gansbaai at 6AM is: 1.9m 11s primary swell from a Southwest direction (forecast issued at 01:00am September 18). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Sep)6ft (1.9m)11s
Afternoon (18 Sep)6ft (1.9m)12s
Evening (18 Sep)6ft (1.8m)13s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Sun afternoon, min 12°C on Fri night). Winds decreasing (strong winds from the ESE on Fri afternoon, moderate winds from the E by Sun night).

Friday
18
Saturday
19
Sunday
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
2
1
1
1
1
2
2
3
2
2
1
1
3
3
4
4
4
3
1
1
3
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)
1.9
SW
11
1.9
SW
11
1.9
SW
11
1.9
SW
11
1.9
SW
11
1.8
SW
13
1.8
SW
13
1.7
SW
12
1.7
SW
12
1.6
SW
12
1.6
SW
12
1.3
SW
12
1.3
SW
12
1.8
SW
14
2.1
SW
14
2.3
SW
14
2.3
SW
14
2.3
SW
13
2.1
SW
13
2.1
SW
13
1.9
WSW
13
1.7
WSW
13
1.7
WSW
13
1.6
WSW
12
Wave Graph
Metric surfscale
Energy kJ
930
898
898
898
898
1109
1006
888
860
772
760
494
448
1273
1779
1912
1948
1904
1565
1457
1180
998
953
784
Wind (km/h)
30
E
30
E
30
E
35
E
40
ESE
40
E
35
E
35
E
25
E
25
E
25
E
30
ESE
30
ESE
30
ESE
25
ESE
25
E
20
E
20
E
20
E
25
E
30
ESE
30
ESE
20
E
20
E
Wind State
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
off
off
High Tide
7:03AM1.04m
7:21PM1.04m
8:36AM0.94m
9:28PM0.96m
11:24AM0.98m
Low Tide
00:49AM0.55m
12:56PM0.65m
1:53AM0.67m
2:38PM0.76m
4:45AM0.69m
5:48PM0.72m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:37
 mm
Temp °C
13
12
13
15
16
15
13
14
13
12
13
17
18
17
16
16
16
16
15
19
22
20
17
15
Feels °C
7
6
8
7
7
7
6
8
8
8
9
12
13
12
13
13
14
14
12
15
18
16
14
13
  • 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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