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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 Wednesday 21 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
12.9° C
 (Which is 7.0°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 2PM is: 1.4m 12s primary swell from a Southwest direction and 1.6m 7s secondary swell from a South direction (forecast issued at 07:00am January 21). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (21 Jan)5ft (1.5m)12s
Afternoon (21 Jan)4.5ft (1.4m)12s
Evening (21 Jan)4.5ft (1.4m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
21
Thursday
22
Friday
23
Sat
24
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)
3
3
3
1
2
3
3
3
3
3
1
0
0
3
4
5
5
5
4
3
3
4
5
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
SW
1.5
SW
1.5
SW
1.4
SW
1.5
SW
1.4
SW
1.4
SW
1.4
SW
1.4
SW
1.4
SW
1.5
SW
1.7
SW
2.1
SW
2.4
SSW
2.5
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
SSW
Period(s) (?)121212121212121212111314151515141414141313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6576356255616255615615615245157341121188525442881330232123167331333593309325930322860
Wind
(km/h)
10
ESE
10
SE
15
S
25
S
30
SSE
20
SSE
15
SSE
15
SSE
10
S
15
S
20
SW
20
WSW
20
SW
20
S
15
SSE
15
S
10
S
15
S
15
SSW
20
SW
25
SSW
20
S
15
S
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:57PM
1.44
5:21AM
1.54
5:32PM
1.40
5:55AM
1.52
6:10PM
1.33
Low Tide
/ height (m)
10:57AM
0.19
11:03PM
0.10
11:31AM
0.19
11:36PM
0.15
12:09PM
0.22
12:11AM
0.22
Wednesday
21
Thursday
22
Friday
23
Sat
24
Sunrise-5:56-------5:56-------5:58------
Sunset----7:57-------7:57-------7:55---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C182026252320201818192121201918171718192020181717
Feels °C (?)171824211918191718181819181616151616161616151515
  • 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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