Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 7 am 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
13.2° 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 (31 Jul):

  • Morning surf: Morning surf (31 Jul, local time) - 4ft (1.2m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (31 Jul, local time) - 3.5ft (1.1m), 12s period with SW swell.
  • Evening surf: Evening surf (31 Jul, local time) - 3.5ft (1.1m), 11s period with SW swell.

The current surf forecast for Big Bay at 2PM is: 1.2m 12s primary swell from a Southwest direction and 0.2m 18s secondary swell from a West-southwest direction (forecast issued at 07:00am July 31). The wind direction is predicted to be offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (31 Jul)4ft (1.2m)12s
Afternoon (31 Jul)3.5ft (1.1m)12s
Evening (31 Jul)3.5ft (1.1m)11s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Sat afternoon, min 16°C on Sun night). Wind will be generally light.

Friday
31
Saturday
1
Sunday
2
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)
2
3
2
2
2
2
2
2
2
3
3
3
2
3
2
2
2
2
1
2
3
3
3
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)
1.2
SW
13
1.3
SW
12
1.2
SW
12
1.2
SW
12
1.1
SW
12
1.1
SW
11
1.1
SW
11
0.7
WSW
16
0.7
WSW
15
1.2
SW
14
1.2
SW
14
1.2
SW
13
1.2
SW
13
1.2
SW
13
1.2
SW
13
1.2
SW
13
1.2
SW
13
1.3
SW
13
1.2
SW
13
1.3
SW
13
1.2
SW
12
1.2
SW
12
1.2
SW
12
Wave Graph
Metric surfscale
Energy kJ
473
488
416
409
355
288
283
250
217
597
581
525
494
486
479
486
494
535
486
519
442
421
421
Wind (km/h)
10
E
10
E
10
E
5
SE
5
S
5
ESE
10
ENE
10
E
10
E
10
E
5
ENE
5
SE
10
S
5
SE
5
E
10
E
10
ENE
10
NNE
5
NNE
10
WNW
5
W
0
S
5
ESE
Wind State
off
off
off
off
glassy
off
cross-off
cross-off
off
cross-off
cross-off
glassy
cross-off
glassy
cross-off
off
cross-off
cross
cross
on
glassy
glassy
glassy
High Tide
4:33PM1.52m
4:41AM1.42m
5:03PM1.53m
5:13AM1.39m
5:34PM1.52m
Low Tide
10:18AM0.12m
10:42PM0.20m
10:47AM0.13m
11:13PM0.20m
11:16AM0.16m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
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>
7:39
7:37
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:06
6:07
 mm
Temp °C
17
17
18
21
21
20
19
18
18
18
20
24
23
21
20
19
19
18
20
22
19
17
17
Feels °C
14
14
15
18
19
17
16
14
14
14
17
21
20
18
17
15
15
14
17
19
18
16
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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