Gansbaai Surf Break

Lat Long: 34.59° S 19.33° E

Gansbaai 48 hour detailed Surf Forecast

Issued: 7 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Gansbaai sea temperature is
13.7°C
2.1° 

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 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.4m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 11s period with SW swell.

The current surf forecast for Gansbaai at 2AM is: 1.6m 12s primary swell from a West-southwest direction (forecast issued at 07:00pm September 20). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (21 Sep)4.5ft (1.4m)12s
Afternoon (21 Sep)4.5ft (1.3m)12s
Evening (21 Sep)4ft (1.2m)11s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Warm (max 24°C on Tue morning, min 15°C on Sun night). Winds increasing (calm on Tue morning, fresh winds from the SE by Wed afternoon).

Sun
20
Monday
21
Tuesday
22
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)
1
3
3
3
2
2
1
1
1
1
2
3
2
2
2
1
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
WSW
13
1.7
WSW
13
1.7
WSW
12
1.6
WSW
12
1.5
WSW
12
1.5
WSW
12
1.4
SW
12
1.3
WSW
12
1.3
WSW
11
1.2
SW
11
1.1
SW
11
0.9
SW
14
0.7
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
12
1.3
SW
12
1.3
SW
12
1.2
SW
11
Wave Graph
Metric surfscale
Energy kJ
1162
953
908
759
658
647
578
464
433
360
314
284
186
386
424
379
494
486
369
Wind (km/h)
30
ESE
20
ESE
15
E
20
ESE
20
E
20
E
25
E
30
E
30
E
25
E
25
E
25
ENE
20
ENE
10
NE
5
W
10
WSW
10
W
10
WNW
15
WSW
Wind State
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
glassy
on
on
on
on
High Tide
11:41PM1.02m
12:30PM1.10m
00:36AM1.13m
1:05PM1.24m
Low Tide
5:48PM0.72m
6:14AM0.59m
6:45PM0.59m
6:54AM0.47m
7:19PM0.46m
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
rain showers
clear
part cloud
part cloud
rain showers
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
 mm
1
1
Temp °C
21
17
15
15
16
16
18
21
21
16
16
15
16
19
24
21
21
18
16
Feels °C
17
15
13
13
14
13
14
17
16
12
13
12
13
18
25
21
21
18
16
  • 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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