Tweede Steen surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Monday 18 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Tweede Steen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tweede Steen sea temperature is
16.2° C
(Which is slightly cooler than normal)

How big are the waves at Tweede Steen today?

The current surf forecast for Tweede Steen at 12AM is: 1.4m 13s primary swell from a West-southwest direction and 1.7m 8s secondary swell from a South direction, 2.2m 8s secondary swell from a South-southeast direction (forecast issued at 07:00pm May 18). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (19 May)8ft (2.4m)9s
Afternoon (19 May)3.5ft (1.1m)13s
Evening (19 May)6ft (1.8m)10s

Table - waves today at Tweede Steen. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 22°C on Tue afternoon, min 17°C on Mon night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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)
2
3
4
3
3
4
4
3
2
2
2
3
2
2
2
2
1
2
1
1
1
0
0
0
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)
1.6
WSW
14
1.5
WSW
13
1.4
WSW
13
1.4
WSW
13
2.3
SSE
9
2.5
SSE
9
2.2
SSE
9
1.1
WSW
13
1.6
SSE
9
1.8
SSE
10
1
WSW
13
1.7
SSE
10
1.1
S
10
1.1
S
10
1
S
10
0.9
S
11
0.8
S
11
0.8
S
11
0.6
WSW
11
0.4
SW
14
0.6
SW
14
0.6
SW
13
0.6
SW
13
0.6
SW
12
Wave Graph
Metric surfscale
Energy kJ
929
796
646
662
795
969
781
414
443
611
330
495
235
231
190
184
149
149
79
71
114
111
138
120
Wind (km/h)
20
SE
20
SE
15
SE
20
ESE
20
SE
15
SE
15
SE
10
SE
10
SSE
15
SE
15
ESE
15
SE
10
ESE
10
ESE
10
E
0
SSW
10
SW
5
SSW
0
NE
5
NE
5
N
5
NNW
10
NNW
15
WNW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-on
glassy
glassy
glassy
cross-off
cross
cross
cross-on
High Tide
4:28PM1.52m
4:43AM1.54m
5:17PM1.46m
5:35AM1.43m
6:11PM1.39m
6:32AM1.30m
Low Tide
10:34PM0.14m
11:02AM0.07m
11:26PM0.21m
11:52AM0.18m
00:25AM0.31m
12:48PM0.29m
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
cloud
part cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:51
5:50
5:50
1
1
Temp °C
21
19
18
17
17
17
19
22
22
19
18
17
17
17
18
20
19
19
19
18
17
17
18
18
18
17
17
15
15
16
18
21
21
17
17
15
16
16
17
20
18
19
20
18
17
17
17
16
Swell 1
Height (m)
Direction
Period (s)
1.6
WSW
14
1.8
S
8
1.7
S
8
1.7
S
9
1.7
S
9
1.8
S
9
1.7
S
9
1.4
S
10
1.2
S
10
1.3
S
10
1.2
S
10
1.1
S
10
1.1
S
10
1.1
S
10
1
S
10
0.9
S
11
0.8
S
11
0.8
S
11
0.7
S
7
0.7
S
7
0.6
S
7
0.6
S
7
0.6
SW
13
0.6
SW
12
Energy kJ
929
417
401
425
455
565
516
361
273
332
284
240
235
231
190
184
149
149
53
51
37
37
138
120
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
13
1.5
WSW
13
1.4
WSW
13
1.4
WSW
13
1.4
WSW
13
1.3
WSW
13
1.2
WSW
13
1.1
WSW
13
1.1
WSW
13
1
WSW
13
1
WSW
13
0.9
WSW
12
0.9
WSW
12
0.8
WSW
12
0.8
WSW
12
0.7
WSW
12
0.7
WSW
12
0.6
WSW
11
0.6
WSW
11
0.4
WSW
11
0.6
SW
14
0.6
SW
13
0.5
S
7
0.5
S
7
Energy kJ
32
796
640
649
659
536
458
414
414
346
330
260
230
184
180
125
121
82
79
47
114
111
26
26
Swell 3
Height (m)
Direction
Period (s)
0.1
S
16
0.1
S
15
0.1
S
15
0.1
S
10
0.1
SW
19
0.1
SW
17
0.1
SW
16
0.3
SW
16
0.3
SW
15
0.4
SW
15
0.4
SW
14
0.4
SW
14
0.4
WSW
11
0.4
WSW
11
0.2
WSW
11
0.2
WSW
21
Energy kJ
5
4
4
2
14
11
10
38
35
55
74
71
46
45
12
43
Wind waves
Height (m)
Direction
Period (s)
1.4
S
8
2.2
SSE
8
2.2
SSE
8
2.2
SSE
8
2.3
SSE
9
2.5
SSE
9
2.2
SSE
9
1.6
SSE
9
1.8
SSE
10
1.7
SSE
10
0.2
NNW
2
0.2
NNW
2
Energy kJ
240
569
646
662
795
969
781
443
611
495
1
1
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
3
4
4
2
3
2
2
2
2
3
2
1
1
1
1
1
1
Distance (km)
3
3
0
3
3
0
0
0
2
3
0
0
0
0
0
0
16
0
0
0
0
7
7
32
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
3
3
2
4
4
2
3
3
2
1
1
1
1
1
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
3
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
5
5
4
  • 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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