Gansbaai Surf Break

Lat Long: 34.59° S 19.33° E

Gansbaai 48 hour detailed Surf Forecast

Issued: 1 am 15 Sep 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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 8ft (2.5m), 7s period with WNW swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 10ft (3.0m), 8s period with WNW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 11ft (3.5m), 8s period with WNW swell.

The current surf forecast for Gansbaai at 5AM is: 2.1m 7s primary swell from a West-northwest direction and 0.8m 11s secondary swell from a Southwest direction (forecast issued at 01:00am September 15). An open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (15 Sep)8ft (2.5m)7s
Afternoon (15 Sep)10ft (3.0m)8s
Evening (15 Sep)11ft (3.5m)8s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue night. Very mild (max 18°C on Tue afternoon, min 13°C on Tue night). Winds decreasing (near gales from the NW on Tue afternoon, light winds from the ESE by Wed night).

Tuesday
15
Wednesday
16
Thursday
17
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)
0
0
0
0
0
0
0
0
0
1
3
3
2
2
3
4
4
4
2
2
2
1
1
1
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
WNW
7
2.1
WNW
7
2.5
WNW
7
2.5
WNW
7
3
WNW
7
3.5
WNW
8
3.5
WNW
8
2.5
SW
15
3
SW
14
3
WSW
14
3
SW
14
2.5
SW
13
2.2
WSW
13
1.9
WSW
13
2
SSW
13
2.5
SSW
13
2.5
SSW
13
2.5
SW
13
3
SW
12
2.5
SSW
12
2.5
SSW
12
2.1
SW
12
2
SW
12
2
SW
12
Wave Graph
Metric surfscale
Energy kJ
353
362
553
672
1024
1689
1775
2963
4066
3520
3315
2459
1752
1192
1363
2081
2151
2207
2219
2094
1857
1213
1058
1040
Wind (km/h)
25
NW
30
WNW
40
WNW
40
NW
50
NW
55
NW
45
NW
30
WSW
30
SSW
25
S
25
SSE
20
SSE
25
SSE
25
SE
25
ESE
20
ESE
20
ESE
25
ESE
25
ESE
30
SE
30
SE
30
SE
25
SE
30
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:17AM1.40m
5:28PM1.45m
5:47AM1.29m
5:58PM1.31m
6:20AM1.17m
6:32PM1.17m
Low Tide
11:15PM0.19m
11:17AM0.28m
11:43PM0.30m
11:46AM0.40m
00:12AM0.43m
12:16PM0.52m
clear
part cloud
clear
clear
clear
part cloud
cloud
light rain
mod rain
light rain
clear
clear
clear
clear
clear
rain showers
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:34
6:35
 mm
4
7
1
1
Temp °C
17
16
15
17
18
18
15
13
13
14
14
15
15
15
14
13
13
13
13
14
16
16
14
14
Feels °C
12
11
8
9
8
8
6
8
7
8
8
10
9
9
9
9
8
8
8
7
9
9
8
8
  • 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 

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