Nine Mile Reef surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Thursday 23 Apr 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Nine Mile Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nine Mile Reef sea temperature is
18.4° C
(Which is slightly warmer than usual)

How big are the waves at Nine Mile Reef today?

The current surf forecast for Nine Mile Reef at 11PM is: 1.6m 13s primary swell from a South direction and 1.4m 7s secondary swell from a Southeast direction (forecast issued at 07:00pm April 23). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (23 Apr)--
Afternoon (23 Apr)6.5ft (2.0m)13s
Evening (23 Apr)5.5ft (1.7m)13s

Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun afternoon. Warm (max 26°C on Fri afternoon, min 14°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the NNW by Sun morning).

Thu
23
Friday
24
Saturday
25
Sun
26
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
4
2
2
2
2
2
1
2
1
2
1
1
1
1
0
0
1
1
1
1
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.8
SSW
13
1.7
S
13
1.6
S
13
1.4
S
12
1.3
S
12
1.1
S
12
1
S
12
0.9
S
11
0.9
S
11
0.8
S
11
0.7
SSW
11
0.7
SSW
11
0.6
SSW
11
0.6
SW
11
0.6
SW
11
0.6
SW
11
0.6
SW
11
0.6
SW
10
0.6
SW
10
0.5
SW
10
0.5
SW
10
0.4
SW
10
0.2
S
16
1.4
SW
8
Wave Graph
Metric surfscale
Energy kJ
1144
971
835
574
472
333
266
198
191
146
105
111
84
99
76
75
72
69
65
49
47
32
21
250
Wind (km/h)
5
SSW
5
SE
10
ESE
10
E
5
E
5
E
0
NNW
10
WSW
5
SE
10
S
5
SE
5
NNW
10
N
15
N
20
NNW
20
NW
15
NW
10
N
15
N
20
N
20
N
25
N
35
NNW
25
WNW
on
glassy
cross
cross
cross
glassy
glassy
cross-on
glassy
on
glassy
glassy
off
off
off
cross-off
cross-off
off
off
off
off
off
off
cross-off
High Tide
8:40PM1.15m
9:22AM1.07m
10:21PM1.17m
11:03AM1.09m
11:38PM1.26m
12:12PM1.17m
Low Tide
2:07PM0.47m
3:11AM0.55m
3:47PM0.51m
4:59AM0.51m
5:16PM0.48m
6:10AM0.41m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:15
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:12
6:10
6:08
1
10
Temp °C
19
19
18
18
18
19
23
26
24
22
22
21
19
18
21
23
20
17
16
15
14
15
17
15
17
17
15
15
15
16
21
23
22
19
20
19
16
15
17
19
18
16
15
13
11
11
11
11
Swell 1
Height (m)
Direction
Period (s)
1.8
SSW
13
1.7
S
13
1.6
S
13
1.4
S
12
1.3
S
12
1.1
S
12
1
S
12
0.9
S
11
0.9
S
11
0.8
S
11
0.7
SSW
11
0.7
SSW
11
0.6
SSW
11
0.6
SW
11
0.6
SW
11
0.6
SW
11
0.6
SW
11
0.6
SW
10
0.6
SW
10
0.5
SW
10
0.5
SW
10
0.5
WSW
6
0.3
NNE
4
1.4
SW
8
Energy kJ
1144
971
835
574
472
333
266
198
191
146
105
111
84
99
76
75
72
69
65
49
47
24
3
250
Swell 2
Height (m)
Direction
Period (s)
0.7
SE
8
0.8
SE
8
0.7
SE
8
0.7
SSE
11
0.6
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
9
0.3
SSE
9
0.3
SSE
9
0.2
SSE
9
0.2
SSE
9
0.2
S
17
0.2
WSW
4
0.4
SW
5
0.4
SW
10
0.2
SSW
15
0.3
SW
15
Energy kJ
62
71
60
119
74
33
32
31
25
15
15
8
7
23
2
7
32
21
34
Swell 3
Height (m)
Direction
Period (s)
0.5
S
11
0.3
S
11
0.4
ESE
8
0.4
ESE
9
0.6
SW
12
0.1
SE
11
0.4
ESE
8
0.1
S
19
0.1
S
18
0.1
S
18
0.1
S
17
0.1
S
8
0.2
S
16
0.2
S
16
0.2
S
16
0.2
S
16
0.2
S
15
Energy kJ
61
21
24
29
92
4
28
7
6
6
6
1
21
20
20
19
17
Wind waves
Height (m)
Direction
Period (s)
1.6
SE
6
1.4
SE
7
1.3
ESE
7
1.1
SE
7
0.9
ESE
7
0.3
NNW
2
0.4
WNW
3
0.5
WNW
3
0.4
WNW
3
0.4
NW
3
0.5
NW
3
0.6
NNW
3
0.8
N
4
1.1
W
8
0.8
WNW
4
Energy kJ
196
163
163
116
90
1
3
6
4
3
5
8
18
153
22
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
3
3
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
12
0
12
12
12
0
0
10
0
16
0
0
0
0
0
18
12
0
0
0
0
52
160
10
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
3
3
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
3
3
3
3
3
3
4
4
4
4
1
2
4
4
4
2
3
4
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
4
5
5
4
5
4
4
4
5
5
6
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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