Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 am 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 Friday (Apr 24) at 5PM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.7m and 11s. 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 3.5m 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 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Fri 24th Apr)3ft (0.9m) 11s
Best Surf 2AM (Mon 27th Apr)7ft (2.1m) 10s
Most Powerful 5AM (Mon 27th Apr)11ft (3.5m) 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 21mm), heaviest during Sun afternoon. Warm (max 25°C on Fri afternoon, min 12°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Tue afternoon, min 13°C on Tue night). Wind will be generally light.

Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
1
0
1
0
2
!
!
!
!
!
0
!
0
0
2
1
!
!
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)
1
S
12
0.9
S
11
0.6
SSW
11
0.6
SW
11
0.6
SW
11
0.5
SW
10
0.7
SW
9
1.9
WSW
8
2.1
SW
10
2.5
WSW
12
2.4
SSW
11
2.5
S
11
3
S
13
2.5
S
12
2.2
S
12
1.8
S
11
1.8
SSE
11
0.9
SSW
16
1.5
SSW
14
2.1
SSW
14
2.2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
266
191
84
76
72
49
79
475
971
1652
1356
1521
2531
2130
1324
792
778
397
874
1605
1835
Wind (km/h)
5
SSW
5
SSE
5
NNW
20
NNW
20
NW
20
N
25
NNW
15
NW
5
SW
15
WSW
20
WSW
10
SW
15
SE
20
SSE
10
ESE
15
SSE
25
S
15
SSE
15
SSE
20
S
10
SE
glassy
glassy
glassy
off
cross-off
off
off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
on
on
cross-on
High Tide
9:22AM1.07m
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
Low Tide
3:47PM0.51m
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
clear
clear
clear
clear
part cloud
clear
rain showers
mod rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:15
7:16
7:16
7:16
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
1
9
11
Temp °C
22
25
22
21
22
16
17
14
15
15
16
15
16
18
16
16
18
16
16
17
15
20
22
20
17
18
15
13
10
11
10
11
12
12
13
12
12
13
13
13
13
13
Swell 1
Height (m)
Direction
Period (s)
1
S
12
0.9
S
11
0.6
SSW
11
0.6
SW
11
0.6
SW
11
0.5
SW
10
0.7
SW
9
1.2
WSW
8
0.1
W
12
2.4
SSW
11
2.4
SSW
11
2.5
S
11
3
S
13
2.5
S
12
2.2
S
12
1.8
S
11
0.6
SW
9
0.9
SSW
16
1.5
SSW
14
2.1
SSW
14
2.2
SSW
14
Energy kJ
266
191
84
76
72
49
79
166
3
1336
1356
1521
2531
2130
1324
792
71
397
874
1605
1835
Swell 2
Height (m)
Direction
Period (s)
0.7
SE
7
0.7
SSE
11
0.4
SSE
10
0.3
SSE
9
0.2
SSE
9
0.2
WSW
5
0.3
SW
15
0.3
SW
15
1.6
SW
10
1.4
SW
10
1.1
SW
10
0.6
SW
10
0.5
SW
13
0.6
SW
9
0.7
SSE
10
0.4
SSE
10
0.2
SSE
9
Energy kJ
53
119
32
15
8
2
34
33
530
363
217
77
88
65
108
39
9
Swell 3
Height (m)
Direction
Period (s)
0.5
S
11
0.4
ESE
8
0.4
ESE
9
0.1
S
19
0.1
S
18
0.2
S
16
0.2
S
16
0.2
S
15
0.4
SW
16
0.4
SW
14
0.3
SSW
18
0.8
SSW
16
0.4
SW
12
0.4
SE
9
Energy kJ
61
23
32
7
6
21
19
17
63
52
60
284
52
23
Wind waves
Height (m)
Direction
Period (s)
0.3
NNW
2
0.5
WNW
3
0.5
NW
3
0.9
NNW
4
1.9
WSW
8
2.1
SW
10
2.5
WSW
12
2.1
WSW
10
0.9
ESE
4
1.8
SSE
11
1.4
SSE
10
Energy kJ
1
7
4
25
475
971
1652
940
31
778
377
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
4
4
4
4
5
4
4
3
3
4
4
2
4
Distance (km)
0
0
0
0
18
0
20
10
10
10
165
20
16
29
16
16
34
16
16
21
16
Best forecast wave conditions in Cape Town
Rating
(10 max)
2
2
2
1
1
2
2
3
4
4
4
5
4
4
4
4
4
2
4
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
1
2
3
3
4
4
4
4
5
5
5
5
4
4
4
4
5
Header Global
Rating
(10 max)
5
5
5
4
5
4
5
5
8
6
6
5
5
7
9
5
5
9
5
5
6
  • 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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