Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 7 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
13.4°C
2.2° 

Big Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Big Bay today (11 Sep):

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

The current surf forecast for Big Bay at 11PM is: 1.3m 12s primary swell from a West-southwest direction and 0.4m 10s secondary swell from a South-southwest direction, 1.8m 7s secondary swell from a South direction (forecast issued at 07:00pm September 11). The wind direction is predicted to be cross-offshore.

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

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Mon morning. Warm (max 23°C on Sun afternoon, min 15°C on Fri night). Winds increasing (calm on Sun night, fresh winds from the NNW by Mon afternoon).

Fri
11
Saturday
12
Sunday
13
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
3
2
3
3
3
4
2
4
5
5
4
4
4
4
4
4
4
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
WSW
12
1.4
WSW
12
1.3
WSW
12
1.3
WSW
12
1.2
SW
14
1.7
SW
14
1.9
SW
14
2.1
SW
15
2.3
SW
16
2.4
SW
16
2.4
SW
16
2.3
SW
15
2.2
SW
15
2.1
SW
14
1.9
SW
14
1.8
SW
14
1.7
SW
14
1.6
SW
13
1.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
680
550
475
485
565
1170
1500
1850
2895
2875
2768
2341
2010
1736
1463
1186
1029
933
755
Wind (km/h)
25
SSE
25
SSE
20
SSE
15
SE
25
SSE
20
SE
20
SE
25
S
30
SE
20
SE
20
ESE
15
ESE
15
ESE
15
ESE
15
ESE
10
SSE
15
SSE
5
WNW
10
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
off
off
off
off
off
cross-off
cross-off
glassy
cross-on
High Tide
3:25PM1.70m
3:44AM1.55m
3:58PM1.68m
4:17AM1.52m
4:29PM1.62m
Low Tide
9:42PM-0.01m
9:48AM0.03m
10:15PM0.01m
10:19AM0.08m
10:45PM0.07m
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:34
6:35
6:36
 mm
1
1
Temp °C
18
16
15
15
16
16
18
18
19
16
16
15
16
16
20
23
23
19
16
Feels °C
14
13
12
13
13
13
15
14
14
13
13
13
14
14
19
22
21
20
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 Big Bay 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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