Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 1 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
14.2°C
1.4° 

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):

  • Morning surf: Morning surf (11 Sep, local time) - 6ft (1.8m), 12s period with WSW swell.
  • 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 10AM is: 1.8m 12s primary swell from a West-southwest direction and 1.8m 7s secondary swell from a South direction (forecast issued at 01:00am September 11). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (11 Sep)6ft (1.8m)12s
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 7mm), mostly falling on Sun night. Warm (max 24°C on Sun afternoon, min 14°C on Fri morning). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
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)
3
3
3
3
3
2
2
2
2
4
4
4
2
4
5
5
4
4
4
4
4
4
3
2
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
WSW
13
1.9
WSW
12
1.8
WSW
12
1.7
WSW
12
1.7
WSW
12
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
2.1
SW
14
1.8
SW
14
1.6
SW
14
1.6
SW
13
1.4
SW
13
Wave Graph
Metric surfscale
Energy kJ
1207
1134
984
830
816
680
550
475
407
565
1170
1500
1850
2711
2875
2768
2341
2010
1855
1836
1186
947
852
683
Wind (km/h)
25
SSE
20
SSE
15
SSE
20
SSE
25
S
25
SSE
25
SSE
20
SE
15
SSE
15
SE
20
SE
25
SE
25
SE
25
SE
20
ESE
15
ESE
15
SE
15
SE
10
ESE
5
E
10
S
10
S
5
NNE
15
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
off
off
off
off
off
glassy
cross-off
cross-off
glassy
cross
High Tide
3:10AM1.55m
3:25PM1.70m
3:44AM1.55m
3:58PM1.68m
4:17AM1.52m
4:29PM1.62m
Low Tide
9:15AM0.02m
9:42PM-0.01m
9:48AM0.03m
10:15PM0.01m
10:19AM0.08m
10:45PM0.07m
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
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cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
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
1
Temp °C
15
14
14
17
18
17
15
15
14
15
16
19
19
19
18
16
15
15
16
21
24
21
18
16
Feels °C
12
11
12
14
15
13
11
12
12
14
13
15
15
15
16
14
13
13
15
21
23
20
19
15
  • 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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