Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 1 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
12.8°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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 6ft (1.9m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 7ft (2.1m), 9s period with S swell.
  • Evening surf: Evening surf (03 Sep, local time) - 8ft (2.5m), 9s period with S swell.

The current surf forecast for Big Bay at 7AM is: 2.0m 13s primary swell from a West-southwest direction and 1.0m 10s secondary swell from a South direction (forecast issued at 01:00am September 03). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (03 Sep)6ft (1.9m)13s
Afternoon (03 Sep)7ft (2.1m)9s
Evening (03 Sep)8ft (2.5m)9s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Sat afternoon, min 11°C on Thu morning). Mainly strong winds.

Thursday
3
Friday
4
Saturday
5
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
4
4
2
0
1
1
1
1
1
2
2
3
3
2
3
3
4
4
3
2
3
4
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)
2.3
WSW
13
2.1
WSW
13
1.9
WSW
13
1.7
WSW
13
1.5
WSW
12
3.5
S
9
2.5
S
9
2.5
S
9
3
S
9
3
S
9
2.5
S
9
2.5
SSE
9
2.5
SSE
9
3
SSE
8
2.5
SSE
8
2.2
SSE
8
2
SSE
8
1.8
SSE
8
2.5
SSE
8
2.2
SSE
8
2
SSE
8
1
S
10
1.5
SSE
8
0.9
SW
22
Wave Graph
Metric surfscale
Energy kJ
1700
1362
1116
949
677
1888
1137
1124
1406
1520
1163
976
933
1072
929
615
511
424
808
635
500
196
277
721
Wind (km/h)
10
NNE
10
N
10
ENE
5
ESE
35
S
50
SSE
40
SSE
40
SSE
45
SSE
40
SE
40
SE
40
SE
40
SE
35
SE
25
SE
15
SE
20
ESE
20
SE
20
ESE
20
SE
20
SE
20
SE
20
SE
20
ESE
Wind State
cross
cross
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
off
off
off
off
off
off
off
High Tide
6:49AM1.20m
7:11PM1.27m
7:57AM1.08m
8:31PM1.15m
9:47AM1.03m
10:28PM1.12m
Low Tide
00:39AM0.29m
12:46PM0.40m
1:38AM0.41m
1:56PM0.53m
3:14AM0.50m
3:58PM0.59m
clear
clear
part cloud
clear
part cloud
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>
7:01
7:01
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:30
 mm
Temp °C
12
11
11
15
15
15
15
14
14
13
12
15
17
17
13
12
12
11
11
16
21
22
18
14
Feels °C
10
9
9
15
9
5
8
6
5
4
3
6
9
10
8
9
8
7
6
11
16
18
14
10
  • 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.


Nearest locationNearest