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Surf Forecasts:

Big Bay surf break

Big Bay surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 am Saturday 17 Jan 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Big Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Bay sea temperature is
13.9° C
 (Which is 5.9°C colder than average for this time of year)

How big are the waves at Big Bay today?

The current surf forecast for Big Bay at 9AM is: 1.1m 10s primary swell from a Southwest direction and 0.6m 9s secondary swell from a South direction (forecast issued at 07:00am January 17). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (17 Jan)3.5ft (1.1m)10s
Afternoon (17 Jan)5ft (1.6m)10s
Evening (17 Jan)7ft (2.2m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tue
20
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
2
2
0
0
0
0
2
2
3
4
4
1
2
2
2
3
3
3
3
1
1
1
0
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1
SW
1.6
SW
1.8
SW
2.1
SW
2.5
SW
3
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
3
SW
2.5
SW
2.4
SW
2.2
SW
2.1
SW
1.9
SW
1.6
SW
1.5
SW
1.3
SW
2.2
SSW
Period(s) (?)10109101010101112121212121212121211111111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2042351664796368091154189727643131314428772555227121801936160012341009862606505399980
Wind
(km/h)
10
S
5
SW
15
W
20
W
25
WSW
20
WSW
20
SSW
20
SSW
15
S
15
S
20
SSW
25
SSW
30
S
30
S
25
SSE
20
SSE
15
SSE
20
SSE
20
S
25
S
30
S
30
S
30
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		glasscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
off		cross-
off		cross-
off		crosscross-
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
/ height (m)
2:45PM
1.36
3:15AM
1.38
3:18PM
1.41
3:46AM
1.45
3:51PM
1.44
Low Tide
/ height (m)
8:46AM
0.35
9:04PM
0.19
9:20AM
0.29
9:35PM
0.14
9:52AM
0.24
10:04PM
0.10
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise-5:52-------5:52-------5:54------
Sunset----7:59-------7:59-------7:58---
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C171819202019191717171819191717171617192221201918
Feels °C (?)161717171616161413131314131112131313151716161615
  • 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

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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.

View detailed surf forecast for Big Bay at:
surf-forecast.com

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