Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 pm Friday 24 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
18.2° 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 Saturday (Apr 25) at 2AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.4m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 16 days are 4.0m 11s and forecast to arrive on Monday (Apr 27) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Apr 26) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 25th Apr)2ft (0.6m) 11s
Best Surf 5AM (Mon 27th Apr)13ft (4.0m) 11s
Most Powerful 5AM (Mon 27th Apr)13ft (4.0m) 11s

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

Heavy rain (total 25mm), heaviest during Sun afternoon. Warm (max 22°C on Fri night, min 13°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the N by Sun morning).

Days 5-7 Weather Summary

Some drizzle, heaviest during Mon night. Very mild (max 18°C on Wed afternoon, min 13°C on Tue night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Fri
1
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
1
0
1
0
1
0
0
!
!
!
0
!
3
0
0
1
!
!
!
3
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>
Wave
Height (m)
Direction
Period (s)
0.6
SSW
11
0.6
SW
11
0.6
SW
11
0.5
SW
10
0.8
SW
9
1.5
WSW
8
2.3
SW
11
2.5
WSW
12
2.4
SSW
11
2.5
SSW
11
2.5
S
13
2.5
S
12
2.3
S
12
2
S
12
1.6
S
12
1.3
SSE
11
1.2
SSW
12
2.1
SSW
14
2.3
SSW
14
2.1
SSW
16
2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
84
76
72
49
93
273
1176
1933
1306
1400
2371
1976
1444
1141
698
430
379
1728
2167
2134
1483
Wind (km/h)
5
N
25
NNW
20
NW
20
N
30
N
15
WNW
20
WSW
20
SW
15
WSW
5
SW
5
SSE
20
SSE
10
ESE
5
SSE
20
S
15
SSE
10
SSE
15
S
10
ESE
5
ENE
5
SW
glassy
off
cross-off
off
off
cross-off
cross-on
cross-on
cross-on
glassy
glassy
on
cross-on
cross-on
on
cross-on
on
on
cross
glassy
cross-on
High Tide
10:21PM1.17m
11:03AM1.09m
11:38PM1.26m
12:12PM1.17m
00:31AM1.35m
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
Low Tide
4:59AM0.51m
5:16PM0.48m
6:10AM0.41m
6:17PM0.41m
6:59AM0.30m
7:02PM0.34m
7:37AM0.22m
7:40PM0.28m
8:09AM0.16m
8:13PM0.25m
8:39AM0.12m
8:44PM0.23m
9:07AM0.11m
clear
clear
clear
clear
light rain
heavy rain
rain showers
rain showers
part cloud
rain showers
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:15
7:16
7:16
7:16
7:18
7:18
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:10
6:08
6:07
6:07
6:06
6:05
6:04
1
13
9
2
1
Temp °C
22
21
22
16
17
15
14
14
15
15
15
17
15
16
18
16
16
17
16
17
20
19
17
18
15
12
12
10
10
10
12
13
14
11
14
15
13
14
14
14
16
18
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
11
0.6
SW
11
0.6
SW
11
0.5
SW
10
0.8
SW
9
0.2
SSW
15
0.3
SSE
13
2.5
SSW
11
2.4
SSW
11
2.5
SSW
11
2.5
S
13
2.5
S
12
2.3
S
12
2
S
12
1.6
S
12
1.3
SSE
11
1.2
SSW
12
2.1
SSW
14
2.3
SSW
14
2.1
SSW
16
2
SSW
14
Energy kJ
84
76
72
49
93
21
35
1384
1306
1400
2371
1976
1444
1141
698
430
379
1728
2167
2134
1483
Swell 2
Height (m)
Direction
Period (s)
0.4
SSE
10
0.3
SSE
9
0.2
SSE
9
0.2
WSW
5
0.2
NNE
5
0.2
S
15
0.1
E
10
2.3
S
11
2.1
WSW
12
1.6
SW
10
1.3
WSW
10
1.1
SW
10
0.6
SW
10
0.6
SW
9
0.6
SW
9
0.9
SSE
11
0.6
SSE
10
0.4
SSE
10
0.8
WSW
12
0.4
SE
9
Energy kJ
32
15
8
2
2
17
2
1246
1166
530
333
255
59
71
65
164
86
37
187
21
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
S
19
0.1
S
18
0.2
S
16
0.3
SW
15
0.1
E
10
0.3
SW
16
0.2
SSW
18
0.5
SW
13
0.6
SSW
13
0.6
SSW
14
0.4
SSE
9
0.3
SSE
10
Energy kJ
4
7
6
21
34
2
40
32
84
109
152
33
18
Wind waves
Height (m)
Direction
Period (s)
0.4
NNW
3
0.7
WNW
4
0.6
NW
3
0.9
NW
4
1.5
WSW
8
2.3
SW
11
2.5
WSW
12
1.8
WSW
10
0.5
E
3
0.9
SSE
4
0.4
SSE
3
Energy kJ
2
11
9
29
273
1176
1933
590
5
33
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
4
4
4
4
4
4
4
4
3
3
4
4
4
4
Distance (km)
0
0
18
0
160
10
434
165
10
10
12
29
16
12
380
16
16
16
12
12
10
Best forecast wave conditions in Cape Town
Rating
(10 max)
1
1
1
2
1
4
4
4
4
4
4
4
3
4
5
5
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
3
1
2
2
4
3
4
4
5
4
5
6
5
4
4
3
4
5
6
4
Header Global
Rating
(10 max)
5
5
4
5
7
5
8
6
6
5
5
7
9
5
5
5
5
5
6
6
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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