Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 pm Saturday 25 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
18.3° 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 8PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.2m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 16 days are 2.3m 16s and forecast to arrive on Thursday (Apr 30) at 11PM. 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+) 8PM (Sat 25th Apr)2ft (0.6m) 10s
Best Surf 5AM (Mon 27th Apr)8ft (2.5m) 11s
Most Powerful11PM (Thu 30th Apr)7.5ft (2.3m) 16s

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

Moderate rain (total 19mm), heaviest on Sun afternoon. Warm (max 21°C on Sat afternoon, min 14°C on Sun afternoon). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Sat
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
1
0
0
0
1
!
!
!
0
!
2
0
0
0
2
!
4
3
3
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
SW
11
0.5
SW
10
0.8
SW
9
0.9
SW
8
3.5
SW
10
1.7
S
11
2.2
SSW
10
2.1
S
11
2.5
S
11
2.5
S
13
2.2
S
12
1.7
SSE
11
2
SSE
11
1.2
SSE
12
0.9
SSW
12
1.6
SSW
14
2.2
SSW
15
1.7
SSW
13
1.6
SSW
12
1.5
SSW
12
1.3
SSW
11
Wave Graph
Metric surfscale
Energy kJ
72
49
93
112
2007
646
932
991
1510
2209
1355
724
925
425
268
1032
2104
983
742
589
394
Wind (km/h)
20
NW
20
N
25
NNW
15
W
20
SW
20
SSW
15
SSW
10
SSE
20
SSE
25
SSE
15
ESE
10
SE
25
SSE
15
SE
15
S
15
SSW
5
SE
5
NNW
5
S
5
NNW
5
NW
cross-off
off
cross-off
cross
cross-on
on
cross-on
on
cross-on
cross-on
cross
cross-on
on
cross-on
on
on
cross-on
glassy
glassy
off
cross-off
High Tide
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
3:17AM1.51m
Low Tide
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
9:13PM0.23m
9:35AM0.13m
clear
clear
light rain
mod rain
rain showers
rain showers
part cloud
rain showers
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:16
7:16
7:18
7:18
7:18
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:08
6:07
6:07
6:06
6:05
6:04
6:02
1
10
6
1
1
Temp °C
21
16
17
16
15
15
15
15
16
17
15
16
19
16
17
17
16
17
20
17
19
17
15
13
14
9
10
10
11
12
11
10
13
15
12
14
14
14
16
18
17
18
Swell 1
Height (m)
Direction
Period (s)
0.6
SW
11
0.5
SW
10
0.8
SW
9
0.9
SW
8
2.1
SSW
10
1.7
S
11
2.2
SSW
10
2.1
S
11
2.5
S
11
2.5
S
13
2.2
S
12
1.7
SSE
11
0.6
SW
10
1.2
SSE
12
0.9
SSE
11
1.6
SSW
14
2.2
SSW
15
1.7
SSW
13
1.6
SSW
12
1.5
SSW
12
1.3
SSW
11
Energy kJ
72
49
93
112
816
646
932
991
1510
2209
1355
724
60
425
210
1032
2104
983
742
589
394
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
9
0.3
WSW
5
0.3
SW
15
0.3
SW
15
0.4
SW
14
1.3
SW
10
0.6
SW
12
1.5
WSW
10
1.3
SW
10
1.2
SW
10
0.1
SW
16
0.6
SW
10
0.5
SW
13
0.8
SSW
12
0.9
SSW
12
0.8
SSE
11
0.4
SSE
10
0.2
SSE
9
0.2
SSE
9
0.1
W
22
0.2
WSW
20
Energy kJ
8
4
34
33
47
355
89
466
335
290
10
74
85
174
268
130
38
8
8
9
37
Swell 3
Height (m)
Direction
Period (s)
0.1
S
18
0.2
S
16
0.2
S
16
0.2
S
15
0.6
SW
12
0.1
S
19
0.1
SW
17
0.2
SSW
15
0.3
SW
16
0.4
SW
14
0.2
SSW
18
0.4
SSW
15
0.1
S
9
0.7
SSW
18
0.7
SE
10
0.7
SE
9
0.6
SSE
9
0.5
SE
8
0.4
SW
20
Energy kJ
6
21
19
17
95
7
11
22
40
51
31
93
2
337
98
79
52
33
97
Wind waves
Height (m)
Direction
Period (s)
0.7
WNW
4
0.6
NW
3
0.9
NNW
4
0.6
WNW
4
3.5
SW
10
0.6
SSE
3
1.1
ESE
4
1.2
ESE
5
2
SSE
11
0.8
SSE
4
0.4
SSE
3
Energy kJ
12
7
22
10
2007
8
42
66
925
24
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
3
4
4
4
4
4
4
3
4
3
2
4
4
4
3
3
3
Distance (km)
18
0
18
10
165
32
32
16
16
165
12
16
380
16
16
10
16
0
0
0
0
Best forecast wave conditions in Cape Town
Rating
(10 max)
1
2
2
1
4
4
4
4
4
4
4
3
4
5
4
4
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
2
2
2
3
3
4
4
4
5
5
6
4
4
4
2
4
5
5
5
4
4
Header Global
Rating
(10 max)
4
5
7
7
8
6
6
5
5
5
6
5
7
5
5
4
6
5
6
4
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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