Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 7 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
12.1°C
3.5° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 5ft (1.5m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
  • Evening surf: Evening surf (19 Sep, local time) - 6ft (1.8m), 14s period with SW swell.

The current surf forecast for Big Bay at 11AM is: 1.4m 12s primary swell from a Southwest direction and 0.8m 15s secondary swell from a Southwest direction, 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 07:00am September 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (19 Sep)5ft (1.5m)12s
Afternoon (19 Sep)4.5ft (1.3m)12s
Evening (19 Sep)6ft (1.8m)14s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Mon afternoon, min 14°C on Sat morning). Wind will be generally light.

Saturday
19
Sunday
20
Monday
21
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
2
4
4
4
4
4
4
3
4
3
3
3
3
3
3
1
2
2
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)
1.6
SW
12
1.6
SW
12
1.4
SW
12
1.3
SW
12
1.6
SW
14
1.8
SW
14
2
SW
14
2.1
SW
13
2.1
SW
13
2
SW
13
1.9
SW
13
1.9
SW
13
1.8
SW
13
1.6
WSW
13
1.6
WSW
12
1.5
WSW
12
1.4
WSW
12
1.3
WSW
12
1.3
WSW
12
1.2
WSW
12
1.2
WSW
11
1.2
SW
11
1.1
SW
11
Wave Graph
Metric surfscale
Energy kJ
773
700
514
448
978
1238
1429
1591
1452
1367
1182
1164
1109
822
784
636
554
480
472
371
347
366
283
Wind (km/h)
10
ESE
10
ESE
10
SSE
15
SSE
15
S
15
SE
15
SE
15
ESE
10
ESE
10
ESE
5
SE
15
SSW
15
S
10
SSE
10
SE
10
ESE
10
ESE
10
ESE
5
SSE
10
SSW
10
SSW
10
SE
5
E
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross
cross-off
cross-off
off
off
off
off
glassy
cross
cross-off
cross-off
off
High Tide
8:48AM0.92m
9:37PM0.93m
11:20AM0.96m
11:39PM0.99m
12:26PM1.08m
Low Tide
2:56PM0.73m
4:47AM0.65m
5:47PM0.67m
6:11AM0.55m
6:42PM0.56m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:39
6:40
 mm
Temp °C
14
14
20
22
21
20
19
18
18
19
24
26
26
23
21
19
19
20
26
28
28
26
24
Feels °C
12
12
18
19
18
18
17
16
17
18
23
24
25
22
20
18
18
19
26
27
27
25
24
  • 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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