Nine Mile Reef surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 am Friday 22 May 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
16.6° C
(Which is normal for this time of year)

How big are the waves at Nine Mile Reef today?

The current surf forecast for Nine Mile Reef at 4AM is: 0.5m 18s primary swell from a Southwest direction and 0.4m 11s secondary swell from a Southwest direction (forecast issued at 01:00am May 22). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (22 May)2ft (0.6m)17s
Afternoon (22 May)2.5ft (0.7m)16s
Evening (22 May)2.5ft (0.8m)15s

Table - waves today at Nine Mile Reef. (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 Sat morning, min 14°C on Fri morning). Wind will be generally light.

Friday
22
Saturday
23
Sunday
24
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)
2
2
2
2
2
1
1
1
1
2
1
1
0
0
1
1
2
2
2
1
0
0
1
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
18
0.5
SW
18
0.5
SW
18
0.6
SSW
16
0.7
SW
16
0.8
SW
16
0.8
SW
16
0.9
SW
15
0.9
SW
14
0.9
SW
14
0.9
SW
14
0.9
SW
13
0.9
SW
13
0.6
SSW
15
0.6
SSW
15
1.1
SW
14
0.9
SW
14
0.9
SW
14
0.8
SW
13
0.8
SW
13
0.8
SW
13
0.8
SW
12
1.2
SW
15
1.4
SW
14
Wave Graph
Metric surfscale
Energy kJ
157
155
152
179
264
306
291
314
305
297
264
249
241
142
142
459
331
304
205
246
205
210
674
787
Wind (km/h)
10
N
10
N
10
N
5
NNW
5
WSW
10
SSW
5
SSE
5
SSW
5
S
5
ESE
5
SSE
10
SSE
15
S
15
S
10
SSE
5
SSE
5
SE
5
SE
5
SE
10
SSW
10
S
10
S
10
S
10
SSE
off
off
off
cross-off
glassy
on
on
on
on
glassy
cross-on
on
on
on
cross-on
cross-on
glassy
glassy
glassy
on
on
on
on
cross-on
High Tide
7:37AM1.18m
8:23PM1.28m
8:56AM1.10m
9:38PM1.26m
10:19AM1.08m
10:48PM1.28m
Low Tide
1:33AM0.41m
1:52PM0.40m
2:54AM0.46m
3:06PM0.46m
4:18AM0.46m
4:22PM0.49m
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:46
5:46
Temp °C
15
14
14
16
17
17
16
16
15
15
16
18
18
18
17
16
16
16
16
17
18
17
16
16
14
12
13
16
18
17
16
16
15
15
16
18
16
17
16
15
16
16
16
16
16
15
14
15
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
18
0.5
SW
18
0.5
SW
18
0.6
SSW
16
0.7
SW
16
0.8
SW
16
0.8
SW
16
0.9
SW
15
0.9
SW
14
0.9
SW
14
0.9
SW
14
0.9
SW
13
0.9
SW
13
0.8
SW
8
0.7
SW
8
1.1
SW
14
0.9
SW
14
0.9
SW
14
0.8
SW
13
0.8
SW
13
0.8
SW
13
0.8
SW
12
1.2
SW
15
1.4
SW
14
Energy kJ
157
155
152
179
264
306
291
314
305
297
264
249
241
82
68
459
331
304
205
246
205
210
674
787
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
11
0.4
SW
11
0.4
SW
11
0.4
SSW
10
0.5
SSW
6
0.6
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.6
S
6
0.8
SW
9
0.8
SW
9
0.8
SW
8
0.6
SW
12
0.6
SW
12
0.2
SSE
13
0.2
SSW
18
0.4
SW
18
0.5
SW
17
0.5
SW
16
0.5
SW
16
0.6
SW
16
0.2
SSE
11
0.2
SSE
11
Energy kJ
45
43
43
35
17
24
33
24
23
24
101
91
84
116
114
17
34
78
140
132
125
203
12
12
Swell 3
Height (m)
Direction
Period (s)
0.4
S
7
0.4
S
6
0.3
S
11
0.4
SW
11
0.4
SW
11
0.2
S
10
0.2
S
10
0.2
S
10
0.2
S
9
0.2
S
9
0.4
SSE
6
0.3
SSE
6
0.3
SSE
6
0.6
SSW
15
0.6
SSW
15
0.4
SE
6
0.2
SSE
5
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.4
SSE
11
Energy kJ
14
11
20
42
42
8
7
7
7
7
12
7
7
142
142
8
3
15
15
14
14
13
47
Wind waves
Height (m)
Direction
Period (s)
0.5
NW
3
0.6
NW
3
0.2
ESE
7
0.5
WNW
4
0.3
SSE
6
0.3
SSE
6
0.4
SE
5
0.2
SSE
5
0.2
SSE
5
0.3
SSE
3
0.4
SE
3
Energy kJ
6
7
4
7
6
6
7
3
2
1
2
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
3
2
2
3
2
2
2
2
2
2
2
2
2
2
2
3
3
Distance (km)
0
0
0
0
0
10
16
10
16
0
10
16
22
22
16
16
0
0
0
22
22
22
16
16
Best forecast wave conditions in Cape Town
Rating
(10 max)
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
4
3
3
3
3
3
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
3
2
2
2
3
3
2
3
2
3
3
3
2
3
3
3
3
3
3
3
3
3
4
3
Header Global
Rating
(10 max)
4
5
7
7
7
6
5
7
5
5
6
7
8
7
6
5
5
5
5
5
6
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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