Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 1 pm 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
13.7°C
2.0° 

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 (25 Sep):

  • Morning surf: Morning surf (25 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (25 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
  • Evening surf: Evening surf (25 Sep, local time) - 4.5ft (1.4m), 12s period with SW swell.

The current surf forecast for Big Bay at 7PM is: 1.5m 12s primary swell from a Southwest direction and 0.2m 19s secondary swell from a West-southwest direction (forecast issued at 01:00pm September 25). The wind direction is predicted to be glassy and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (25 Sep)5ft (1.6m)12s
Afternoon (25 Sep)5ft (1.6m)12s
Evening (25 Sep)4.5ft (1.4m)12s

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


Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat morning. Very mild (max 19°C on Fri afternoon, min 11°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the SSE by Sun afternoon).

Fri
25
Saturday
26
Sunday
27
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)
1
3
2
3
3
3
4
4
4
4
3
3
3
3
2
2
2
2
2
2
3
Swell
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
1.5
SW
12
1.4
SW
12
1.4
SW
12
1.3
SW
12
1.2
SW
16
1.4
SW
16
2.1
SW
15
2.1
SW
15
2.1
SW
14
2.1
SW
14
2
WSW
14
2
WSW
14
2.3
SW
14
1.7
WSW
14
1.7
WSW
14
1.7
WSW
14
1.6
WSW
13
1.5
WSW
13
1.5
WSW
13
Wave Graph
Metric surfscale
Energy kJ
747
666
614
542
542
448
710
952
2102
1915
1862
1736
1621
1553
1830
1110
1143
1126
888
784
734
Wind (km/h)
15
NW
5
N
10
WSW
5
S
10
SSE
5
SE
5
ESE
5
SE
10
SSE
10
S
20
S
25
S
25
S
25
S
25
SSE
30
SSE
30
SSE
30
S
35
SSE
30
SSE
20
SE
Wind State
on
glassy
cross-on
glassy
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:28PM1.57m
2:46AM1.50m
2:58PM1.65m
3:18AM1.54m
3:29PM1.68m
Low Tide
8:20AM0.15m
8:44PM0.08m
8:49AM0.09m
9:14PM0.01m
9:19AM0.06m
9:45PM-0.02m
cloud
cloud
clear
cloud
cloud
light rain
light rain
mod rain
heavy rain
light rain
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
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6:31
—
—
—
—
—
—
—
6:28
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—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:44
—
—
—
—
—
—
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6:44
—
—
—
—
—
—
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6:45
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 mm
—
—
—
—
—
1
2
7
12
1
—
—
—
—
—
—
—
—
—
—
—
Temp °C
18
19
17
17
17
17
16
16
16
17
17
16
15
14
14
14
15
16
15
14
13
Feels °C
16
19
16
17
16
17
16
16
15
16
15
13
12
10
10
9
10
10
8
9
9
  • 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 

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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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