Big Bay Surf Break

Lat Long: 33.79° S 18.46° E

Big Bay 48 hour detailed Surf Forecast

Issued: 1 pm 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Big Bay sea temperature is
14.4°C
1.9° 

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 (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 5ft (1.6m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.8m), 11s period with SW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 7.5ft (2.3m), 12s period with SW swell.

The current surf forecast for Big Bay at 8PM is: 2.1m 12s primary swell from a Southwest direction (forecast issued at 01:00pm October 20). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Oct)5ft (1.6m)11s
Afternoon (20 Oct)6ft (1.8m)11s
Evening (20 Oct)7.5ft (2.3m)12s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 18°C on Wed afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the N on Wed morning, calm by Thu night).

Tue
20
Wednesday
21
Thursday
22
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
0
0
1
0
0
0
0
0
0
0
1
3
2
3
2
2
2
2
3
4
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
11
1.7
SW
11
1.9
SW
11
2.1
SW
12
2.4
SW
12
2.5
SW
12
3
SW
12
3.5
WSW
12
3.5
WSW
12
3
WSW
12
3
WSW
12
2.5
WSW
11
2.4
WSW
12
2.2
SW
12
2
SW
12
1.8
SW
11
1.8
SW
11
1.8
SW
11
1.8
SW
11
1.8
SW
11
1.8
SW
11
Wave Graph
Metric surfscale
Energy kJ
629
671
866
1193
1627
2027
2581
3527
3349
2721
2268
1898
1501
1323
1052
846
846
846
770
836
780
Wind (km/h)
15
NW
20
WNW
25
WNW
20
N
25
N
30
N
30
NNW
35
N
30
NNW
25
NW
25
NW
20
WNW
10
WNW
10
NW
10
WNW
10
W
15
WSW
15
WSW
15
WSW
10
SSW
5
SSE
Wind State
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
glassy
High Tide
11:23AM1.09m
11:45PM1.06m
12:08PM1.22m
00:30AM1.18m
12:44PM1.35m
Low Tide
5:52PM0.56m
5:55AM0.49m
6:32PM0.42m
6:34AM0.39m
7:06PM0.29m
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
part cloud
light rain
cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
5:58
—
—
—
—
—
—
—
5:56
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
7:02
—
—
—
—
—
—
—
7:02
—
—
—
—
—
—
—
7:04
—
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 mm
—
—
—
—
—
1
2
1
1
1
—
1
—
—
1
—
—
—
—
—
—
Temp °C
15
15
15
15
14
14
14
14
16
18
17
16
15
15
15
15
16
16
16
15
15
Feels °C
11
10
11
11
9
8
8
9
12
14
13
14
14
13
14
13
14
13
13
13
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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