Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 7 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
12.7° C
2.7° 

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 (12 Aug):

  • Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.8m), 18s period with SW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 6ft (1.9m), 17s period with SW swell.

The current surf forecast for Big Bay at 10PM is: 1.9m 17s primary swell from a Southwest direction and 0.6m 22s secondary swell from a Southwest direction, 0.4m 10s secondary swell from a Southeast direction (forecast issued at 07:00pm August 12). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (12 Aug)--
Afternoon (12 Aug)6ft (1.8m)18s
Evening (12 Aug)6ft (1.9m)17s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
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)
4
4
3
3
5
4
3
2
2
4
3
3
3
3
2
1
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SW
18
1.9
SW
17
1.9
SW
17
1.9
SW
16
1.6
SW
20
2.2
SW
16
2.2
WSW
17
2.2
WSW
17
2.1
WSW
16
2.1
WSW
16
2
WSW
16
1.9
WSW
16
1.8
WSW
15
1.8
WSW
15
1.7
WSW
15
1.7
WSW
15
1.7
WSW
14
1.7
WSW
14
1.6
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1952
2162
2037
1916
1864
2438
2998
2796
2262
2164
1957
1663
1572
1431
1275
1275
1257
1106
947
Wind (km/h)
10
E
15
ESE
20
ENE
20
E
15
E
10
E
15
NNE
25
N
10
WNW
10
NE
10
NNE
10
NNE
10
NNE
10
N
20
N
20
NW
15
WNW
5
NNW
5
WNW
Wind State
cross-off
off
cross-off
cross-off
off
cross-off
cross
cross
on
cross-off
cross
cross
cross
cross
cross
cross-on
on
cross-on
on
High Tide
3:13PM1.62m
3:29AM1.57m
3:52PM1.68m
4:09AM1.56m
4:29PM1.69m
Low Tide
9:27PM0.05m
9:40AM-0.01m
10:07PM0.02m
10:16AM-0.00m
10:45PM0.03m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:14
6:15
 mm
Temp °C
21
20
21
20
18
19
21
27
23
21
21
19
17
14
16
15
15
14
14
Feels °C
18
16
15
15
14
16
18
22
20
18
17
15
13
11
12
12
13
14
14
  • 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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