Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 am Monday 27 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
18.1° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Nine Mile Reef this week:

The surf forecast for Nine Mile Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 27) at 11AM. The primary swell is predicted to be 2.5m and 10s period with a secondary swell of 2.5m and 10s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 16 days are 2.1m 14s and forecast to arrive on Thursday (Apr 30) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Friday (May 01) at 5PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 27th Apr)8ft (2.5m) 10s
Best Surf11AM (Mon 27th Apr)8ft (2.5m) 10s
Most Powerful11PM (Thu 30th Apr)7ft (2.1m) 14s

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

Light rain (total 3mm), mostly falling on Mon morning. Very mild (max 17°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Fri night. Very mild (max 18°C on Fri afternoon, min 13°C on Thu morning). Winds increasing (light winds from the S on Thu night, strong winds from the NW by Fri afternoon).

Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
!
!
0
2
4
1
1
0
1
!
2
0
4
3
3
3
2
2
4
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>
Wave
Height (m)
Direction
Period (s)
2.5
SSW
10
2.3
SSW
10
2.1
S
10
2.1
S
10
2.2
S
11
2
S
11
1.9
SSE
12
2
SSE
13
1.4
SSE
12
1
SSW
14
1.8
SSW
14
2.1
SSW
14
1.6
SSW
13
1.5
SSW
12
1.9
SW
12
1.3
SW
12
1.1
SW
11
1.1
SW
10
0.9
S
11
0.9
WSW
10
1.6
SW
13
Wave Graph
Metric surfscale
Energy kJ
1393
1018
973
937
1148
1022
1047
1275
531
407
1267
1657
824
680
997
486
273
231
191
138
851
Wind (km/h)
20
SSW
10
SSW
15
S
15
SSE
25
SSE
10
ESE
5
SE
20
SSE
15
SE
20
SSE
20
SSW
15
N
30
NNW
35
NNW
25
N
20
N
15
N
15
N
20
NNW
15
NW
15
N
cross-on
on
on
cross-on
cross-on
cross-on
glassy
on
cross-on
on
on
off
off
cross-off
off
off
off
off
off
cross-off
off
High Tide
1:00PM1.25m
1:11AM1.43m
1:39PM1.32m
1:46AM1.49m
2:12PM1.38m
2:17AM1.52m
2:42PM1.42m
2:47AM1.53m
3:12PM1.43m
3:17AM1.51m
3:42PM1.43m
3:47AM1.47m
4:12PM1.39m
4:18AM1.41m
Low Tide
7:02PM0.34m
7:37AM0.22m
7:40PM0.28m
8:09AM0.16m
8:13PM0.25m
8:39AM0.12m
8:44PM0.23m
9:07AM0.11m
9:13PM0.23m
9:35AM0.13m
9:43PM0.25m
10:03AM0.16m
10:13PM0.29m
rain showers
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
mod rain
light rain
part cloud
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:16
7:18
7:18
7:18
7:20
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:06
6:05
6:04
6:02
6:01
1
2
7
1
Temp °C
14
15
15
15
16
15
15
17
16
16
16
15
16
18
16
16
17
17
18
21
17
10
10
11
11
11
10
13
13
13
13
12
14
10
10
10
13
15
16
16
19
16
Swell 1
Height (m)
Direction
Period (s)
2.5
SSW
10
2.3
SSW
10
2.1
S
10
2.1
S
10
2.2
S
11
2
S
11
1.9
SSE
12
0.6
SSW
13
1.4
SSE
12
1.1
SSE
12
1.8
SSW
14
2.1
SSW
14
1.6
SSW
13
1.5
SSW
12
1.9
SW
12
1.3
SW
12
1.1
SW
11
1.1
SW
10
0.9
S
11
0.9
WSW
10
1.6
SW
13
Energy kJ
1393
1018
973
937
1148
1022
1047
111
531
317
1267
1657
824
680
997
486
273
231
191
129
851
Swell 2
Height (m)
Direction
Period (s)
2.5
S
10
0.6
SW
12
1.4
SW
11
1.4
SW
10
1.1
SW
10
0.2
SSW
16
0.4
SW
10
0.6
SW
9
0.7
SW
11
1
SSW
14
0.8
SSE
11
0.4
SE
11
0.2
SSE
10
0.6
S
15
0.7
S
14
0.8
S
14
0.8
SSW
11
0.9
S
11
0.7
SW
10
0.8
S
10
0.7
S
10
Energy kJ
1277
89
458
370
260
25
33
55
117
407
148
30
10
163
202
257
158
198
94
138
100
Swell 3
Height (m)
Direction
Period (s)
0.1
S
19
0.1
SW
17
0.3
S
13
0.3
SW
16
0.4
SW
16
0.4
SSW
14
0.7
SSW
13
0.2
S
10
0.6
SSE
11
0.4
SE
10
0.1
SE
10
0.1
W
21
0.6
S
11
0.7
S
14
0.5
SW
16
0.6
SW
15
0.5
SW
15
0.5
S
14
Energy kJ
7
11
31
40
87
79
156
7
78
26
4
9
86
191
129
181
104
93
Wind waves
Height (m)
Direction
Period (s)
0.4
ESE
3
0.7
ESE
4
2
SSE
13
0.7
SE
4
0.7
NNW
3
1.3
NW
5
1
NNW
4
0.6
NNW
4
0.6
NW
4
0.2
NNW
2
0.4
NNW
3
0.9
NW
5
Energy kJ
3
12
1275
14
9
73
43
10
11
1
3
35
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
3
4
4
4
4
4
4
3
3
3
2
2
4
Distance (km)
165
10
16
16
34
16
0
29
16
29
32
12
60
380
0
0
0
0
0
0
0
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
9
7
6
4
4
4
5
5
4
5
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
6
5
5
5
9
7
8
6
5
4
5
8
6
5
4
4
4
4
4
5
  • 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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