Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 pm Friday 15 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
17.0° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Nine Mile Reef this week:

The most powerful waves expected at Nine Mile Reef in the next 16 days are 1.7m 13s and forecast to arrive on Saturday (May 16) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5AM (Sat 16th May)5.5ft (1.7m) 13s

Table - best surf conditions forecast for Nine Mile Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 15°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Wed afternoon, min 15°C on Tue night). Winds decreasing (fresh winds from the SE on Tue morning, light winds from the SE by Wed morning).

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Fri
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
3
3
2
2
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
S
13
1.6
S
13
1.4
S
12
1.2
S
12
0.9
S
11
1.3
SSE
11
0.8
SW
13
1
SW
14
1
SW
13
2.3
SSE
8
2.4
SSE
8
2.2
SE
7
2
SSE
8
1.7
SE
7
1.6
SE
7
1
SE
7
0.5
SW
13
0.4
SW
20
0.5
SW
18
0.6
SSW
17
0.6
SW
16
Wave Graph
Metric surfscale
Energy kJ
1107
797
547
383
185
400
205
404
345
731
714
515
489
318
233
91
84
98
157
184
206
Wind (km/h)
10
SE
5
SSE
10
S
5
SSE
15
S
20
S
15
SE
25
SE
30
SE
25
SE
35
SE
30
SE
20
SE
10
SE
20
SSE
15
SE
20
SSE
20
SSE
15
SSE
10
SE
20
SSE
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
cross-on
cross-on
on
High Tide
2:24AM1.67m
2:57PM1.54m
3:09AM1.68m
3:42PM1.55m
3:55AM1.64m
4:28PM1.53m
4:43AM1.56m
5:17PM1.48m
5:34AM1.44m
6:10PM1.40m
6:30AM1.31m
7:12PM1.33m
7:37AM1.18m
Low Tide
8:13PM0.15m
8:47AM-0.03m
8:59PM0.11m
9:31AM-0.04m
9:45PM0.10m
10:16AM0.00m
10:34PM0.15m
11:02AM0.08m
11:26PM0.22m
11:52AM0.19m
00:24AM0.32m
12:48PM0.30m
1:33AM0.41m
1:52PM0.40m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:31
7:31
7:33
7:33
7:33
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:51
5:50
5:50
5:49
5:47
5:47
Temp °C
17
17
19
19
17
18
16
19
20
17
16
17
16
18
19
17
18
18
16
15
17
15
16
18
19
15
15
13
16
16
13
11
12
13
17
17
15
15
14
13
14
14
Swell 1
Height (m)
Direction
Period (s)
1.8
S
13
1.6
S
13
1.4
S
12
1.2
S
12
0.9
S
11
0.8
SW
14
0.8
SW
13
1
SW
14
1
SW
13
0.8
SW
13
0.7
SW
13
0.6
SW
13
0.6
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
14
0.5
SW
13
0.5
SW
12
0.6
SW
12
0.6
SSW
17
0.6
SW
16
Energy kJ
1107
797
547
383
185
228
205
404
345
199
171
136
95
50
49
53
84
72
87
184
206
Swell 2
Height (m)
Direction
Period (s)
1.6
SW
13
1.2
SW
12
1.1
SW
12
0.8
SW
13
0.5
SW
12
1
S
11
0.6
S
10
0.4
S
10
0.3
S
10
0.1
S
17
0.2
SSE
15
0.4
SSE
14
0.1
SW
16
0.3
SSE
12
0.3
SSE
12
0.2
SSE
11
0.4
SW
20
0.5
SW
18
0.6
SW
11
0.5
SW
10
Energy kJ
852
437
346
202
74
227
71
31
19
6
22
75
11
28
27
11
98
157
73
52
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
10
0.4
SW
16
0.4
SSE
13
0.3
SSE
13
0.1
S
16
0.2
SSW
16
0.2
SSW
15
0.3
SW
11
0.1
SW
21
0.1
SE
10
0.1
S
10
Energy kJ
46
90
55
31
5
25
22
19
18
4
2
Wind waves
Height (m)
Direction
Period (s)
0.8
ESE
4
1
SE
4
0.8
SE
4
0.7
SSE
4
1.3
SSE
11
0.9
SSE
4
1.1
SSE
6
1.4
SSE
6
2.3
SSE
8
2.4
SSE
8
2.2
SE
7
2
SSE
8
1.7
SE
7
1.6
SE
7
1
SE
7
1
SE
6
1.2
SE
6
0.8
SSE
5
0.8
SSE
5
1
SSE
5
Energy kJ
16
38
27
13
400
34
69
122
731
714
515
489
318
233
91
71
92
36
33
54
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
3
2
4
2
4
3
3
4
2
2
2
1
1
1
3
2
2
3
Distance (km)
16
12
16
12
16
165
22
31
36
36
158
56
22
16
27
16
34
29
16
16
29
Best forecast wave conditions in Cape Town
Rating
(10 max)
5
4
4
4
3
3
4
4
4
3
3
3
3
3
3
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
5
4
4
4
4
4
3
4
4
4
4
4
4
4
3
3
4
3
3
3
3
Header Global
Rating
(10 max)
5
4
6
5
5
6
7
4
7
5
4
4
4
4
4
4
5
4
4
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)
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Information about the Nine Mile Reef Surf forecast

The above surf forecast table for Nine Mile Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nine Mile Reef can be found by selecting the local surf guide option on the grey menu. Our Nine Mile Reef surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nine Mile Reef) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nine Mile Reef may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nine Mile Reef is 19 km (12 miles) from the very large city of Bellville. If you plan a holiday in Cape Town, look for hotels and other accommodation in Bellville. Bellville has rooms for a wide range of budgets as well as cheap car hire and transport links.

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