Big Bay surf break

Big Bay surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Tuesday 12 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
15.6° C
(Which is 1.6°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 12AM is: 3.0m 12s primary swell from a West direction and 2.5m 12s secondary swell from a Southwest direction (forecast issued at 07:00pm May 12). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (13 May)10ft (3.0m)12s
Afternoon (13 May)10ft (3.0m)12s
Evening (13 May)10ft (3.0m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Fri afternoon, min 12°C on Wed night). Wind will be generally light.

Tue
12
Wednesday
13
Thursday
14
Fri
15
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
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
3
2
2
0
0
2
2
3
4
4
5
4
4
4
4
3
3
3
4
4
4
4
4
4
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
3.5
W
12
3
W
12
3
W
12
2.5
W
12
2.5
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
2.5
SSW
12
2.5
SSW
12
2.3
SSW
12
2.1
SSW
11
1.8
SSW
11
1.7
SSW
11
1.4
WSW
13
1.4
WSW
11
1.4
SSW
14
2.2
SSW
14
2.3
SSW
14
2.5
SSW
14
Wave Graph
Metric surfscale
Energy kJ
3321
2903
2216
2001
2081
2440
2587
2784
2739
2694
2421
2168
1776
1715
1427
1107
787
711
623
469
822
1859
1984
2460
Wind (km/h)
20
W
20
W
20
W
25
WSW
25
WSW
20
SW
15
SW
10
WSW
10
WSW
10
SW
5
S
5
SE
5
ESE
5
E
5
SSE
5
SW
5
WSW
5
SW
5
SSW
5
S
5
SE
5
SE
15
SSE
15
S
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
glassy
glassy
glassy
off
cross-off
cross-off
High Tide
00:10AM1.39m
12:45PM1.29m
00:55AM1.50m
1:30PM1.40m
1:39AM1.59m
Low Tide
5:54PM0.40m
6:38AM0.24m
6:43PM0.30m
7:21AM0.11m
7:29PM0.22m
8:04AM0.02m
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:28
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:54
5:53
5:53
Temp °C
17
16
16
15
15
15
15
15
15
15
14
13
12
12
14
15
15
15
15
15
15
15
17
18
15
13
13
10
10
11
11
12
13
13
13
12
11
11
13
13
13
14
14
15
15
15
16
15
Swell 1
Height (m)
Direction
Period (s)
3.5
W
12
3
W
12
3
W
12
2.5
W
12
2.5
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
3
SSW
12
2.5
SSW
12
2.5
SSW
12
2.3
SSW
12
2.1
SSW
11
1.8
SSW
11
1.7
SSW
11
1.5
SSW
11
1.4
WSW
11
1.4
SSW
14
2.2
SSW
14
2.3
SSW
14
2.5
SSW
14
Energy kJ
3321
2903
2216
2001
2081
2440
2587
2784
2739
2694
2421
2168
1776
1715
1427
1107
787
711
521
469
822
1859
1984
2460
Swell 2
Height (m)
Direction
Period (s)
2.5
SSW
12
2.5
SSW
12
2.5
SW
12
2.5
SSW
12
2.5
W
12
2.5
W
12
2.3
W
12
2.3
WSW
12
2.2
WSW
12
1.9
W
11
1.8
WSW
11
1.7
WSW
11
1.6
WSW
11
1.6
WSW
11
1.6
WSW
11
1.5
WSW
11
1.6
WSW
12
1.3
WSW
11
1.4
WSW
13
1.3
SSW
11
1.3
SSW
10
1.2
WSW
12
1.1
WSW
15
1.4
WSW
15
Energy kJ
2017
1751
1710
1952
1839
1691
1438
1320
1208
943
836
764
681
593
593
515
725
373
623
387
389
374
525
917
Swell 3
Height (m)
Direction
Period (s)
0.1
W
20
0.1
SW
19
0.1
SW
19
0.3
WSW
18
0.4
SW
18
0.4
SW
18
0.8
WSW
13
0.8
WSW
16
0.9
SSW
14
1.2
WSW
12
1
WSW
15
1
SW
11
1.1
SW
11
Energy kJ
8
15
15
61
80
81
204
295
336
393
439
224
268
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
5
4
4
4
4
2
2
4
4
4
4
4
4
5
Distance (km)
34
34
34
129
129
130
55
29
29
34
0
0
0
0
0
13
13
4
0
0
0
0
0
34
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
4
5
5
4
4
4
4
4
3
4
4
4
4
4
5
5
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
6
9
9
4
4
4
9
9
5
5
4
4
4
4
4
4
4
5
5
5
5
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
5
5
  • 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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