Big Bay surf break

Big Bay surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 am Saturday 09 May 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
16.4° C
(Which is slightly cooler than normal)

How big are the waves at Big Bay today?

The current surf forecast for Big Bay at 10AM is: 1.4m 13s primary swell from a West-southwest direction and 0.9m 14s secondary swell from a Southwest direction (forecast issued at 01:00am May 09). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (09 May)5ft (1.6m)14s
Afternoon (09 May)5ft (1.5m)14s
Evening (09 May)4.5ft (1.3m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 92mm), heaviest during Mon afternoon. Very mild (max 18°C on Mon afternoon, min 12°C on Sat night). Winds increasing (light winds from the N on Sat morning, gales from the NNW by Mon morning).

Saturday
9
Sunday
10
Monday
11
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
4
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
!
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
WSW
14
1.7
WSW
14
1.6
WSW
14
1.3
WSW
13
1.5
WSW
14
1.4
WSW
14
1.4
WSW
13
1.3
WSW
13
2.4
WNW
7
2.5
W
8
2.5
W
9
3
WSW
12
4
WSW
8
5
WSW
10
5
WSW
11
5
WSW
12
5
WSW
12
4
WSW
12
6
W
11
7
W
12
7.5
W
13
7
W
13
6.5
W
13
6
W
13
Wave Graph
Metric surfscale
Energy kJ
1301
1143
985
560
870
700
680
545
607
1034
1027
2687
2086
4994
6513
7344
7260
4975
8249
13974
17391
16452
13602
11436
Wind (km/h)
5
ENE
5
N
10
N
15
N
25
NW
25
NW
30
N
40
N
45
NW
25
W
25
W
35
W
50
W
50
W
45
W
35
W
30
NW
50
NNW
65
NNW
60
NW
60
NW
60
NW
50
WNW
45
WNW
glassy
cross
cross
cross-on
cross-on
cross-on
cross
cross
on
on
cross-on
cross-on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
8:06AM1.01m
9:10PM1.09m
9:38AM1.01m
10:24PM1.16m
10:56AM1.08m
Low Tide
1:59AM0.62m
2:23PM0.54m
3:35AM0.61m
3:47PM0.54m
4:54AM0.51m
4:58PM0.48m
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
mod rain
mod rain
thunderstorm
light rain
light rain
rain showers
light rain
cloud
light rain
light rain
mod rain
heavy rain
mod rain
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:57
5:57
3
9
9
5
5
2
2
3
1
5
7
13
7
9
2
Temp °C
15
14
13
16
17
16
15
15
13
12
14
13
13
13
13
13
15
13
15
16
17
18
18
18
14
12
11
12
12
11
10
8
5
7
8
5
3
3
4
5
8
3
3
5
7
9
10
12
Swell 1
Height (m)
Direction
Period (s)
1.8
WSW
14
1.7
WSW
14
1.6
WSW
14
1.3
WSW
13
1.5
WSW
14
1.4
WSW
14
1.4
WSW
13
1.3
WSW
13
1.2
WSW
13
1.2
SW
13
1.3
WSW
13
0.2
SSE
12
0.2
SSE
11
0.1
SE
11
0.1
SW
22
0.1
SW
22
5
WSW
12
4
WSW
12
Energy kJ
1301
1143
985
560
870
700
680
545
472
501
555
13
12
5
18
18
7260
4975
Swell 2
Height (m)
Direction
Period (s)
0.6
S
8
0.5
S
8
0.5
S
8
0.9
SW
14
0.5
S
13
0.4
SSE
13
0.4
SSE
12
0.3
SSE
12
0.3
SSE
12
0.2
SSE
12
0.2
SSE
12
0.1
SW
22
0.1
S
15
0.1
SE
14
Energy kJ
51
34
33
350
89
56
52
29
28
14
14
18
4
7
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
15
0.4
SSE
15
0.4
SSE
14
0.4
S
8
0.1
W
11
0.1
W
11
0.1
SW
22
0.1
SW
22
Energy kJ
44
71
67
21
2
2
18
18
Wind waves
Height (m)
Direction
Period (s)
0.4
NW
3
0.8
NW
4
1.1
NW
5
1.8
NW
6
2.4
WNW
7
2.5
W
8
2.5
W
9
3
WSW
12
4
WSW
8
5
WSW
10
5
WSW
11
5
WSW
12
2.5
NW
8
6
W
11
7
W
12
7.5
W
13
7
W
13
6.5
W
13
6
W
13
Energy kJ
2
16
54
193
607
1034
1027
2687
2086
4994
6513
7344
909
8249
13974
17391
16452
13602
11436
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
3
4
4
4
3
3
3
3
3
1
2
2
1
1
4
4
3
1
2
9
Distance (km)
0
2
2
36
34
400
79
79
29
361
34
379
458
1166
1042
1043
458
361
379
1030
991
458
1012
419
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
5
5
5
5
4
4
4
4
4
4
4
4
3
1
2
3
3
8
4
4
4
1
2
9
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
4
4
4
4
4
9
9
7
9
5
8
5
4
4
4
5
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

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