Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 am Tuesday 28 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
18.0° 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 Tuesday (Apr 28) at 8PM. The primary swell is predicted to be 2.2m and 11s period with a secondary swell of 0.1m and 16s. 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 2.2m 17s and forecast to arrive on Thursday (Apr 30) at 5PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Friday (May 01) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 28th Apr)7ft (2.2m) 11s
Best Surf 8PM (Tue 28th Apr)7ft (2.2m) 11s
Most Powerful 5PM (Thu 30th Apr)7ft (2.2m) 17s

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. Very mild (max 18°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Sun afternoon. Very mild (max 18°C on Fri afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the NW by Sun night).

Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
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
2
1
2
0
!
!
3
0
2
2
2
2
1
1
!
!
2
2
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)
2.1
S
10
2.1
S
11
1.8
S
12
1.8
S
11
2
SSE
13
1.5
SSE
12
1.1
SSW
14
2.2
SSW
17
2.1
SSW
14
1.8
SSW
13
1.7
SSW
12
1.9
SW
12
1.5
SW
11
1.1
SW
11
1.1
SW
10
1.1
SW
10
1
SW
10
2.3
SW
14
2.1
SW
12
1.9
SW
12
1.5
SW
11
Wave Graph
Metric surfscale
Energy kJ
937
1027
864
819
1236
634
480
2712
1680
1077
893
977
524
258
235
240
196
1919
1298
1007
524
Wind (km/h)
20
SSE
25
SSE
15
ESE
5
SSE
20
SSE
10
SE
20
S
20
S
10
N
30
N
40
NNW
30
N
25
N
25
N
20
N
25
N
20
NW
10
NNW
15
W
20
W
10
SE
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
off
off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross
cross-on
High Tide
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
4:43PM1.34m
4:49AM1.34m
Low Tide
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
10:33AM0.22m
10:44PM0.34m
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
cloud
cloud
rain showers
cloud
light rain
rain showers
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:18
7:18
7:18
7:20
7:20
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:06
6:05
6:04
6:02
6:01
6:00
3
1
5
3
2
3
Temp °C
16
17
15
15
18
16
16
17
15
16
18
16
16
16
17
18
18
17
17
18
15
11
11
11
13
14
12
12
13
13
10
10
9
12
12
14
14
15
17
15
13
11
Swell 1
Height (m)
Direction
Period (s)
2.1
S
10
2.1
S
11
1.8
S
12
1.8
S
11
0.6
SW
9
1.5
SSE
12
1.1
SSW
14
2.2
SSW
17
2.1
SSW
14
1.8
SSW
13
1.7
SSW
12
1.9
SW
12
1.5
SW
11
1.1
SW
11
1.1
SW
10
1.1
SW
10
1
SW
10
2.3
SW
14
2.1
SW
12
1.9
SW
12
1.5
SW
11
Energy kJ
937
1027
864
819
70
634
480
2712
1680
1077
893
977
524
258
235
240
196
1919
1298
1007
524
Swell 2
Height (m)
Direction
Period (s)
1.4
SW
10
1.2
SW
10
0.8
SW
10
0.4
SW
10
0.6
SSW
13
0.7
SW
11
0.9
SSE
12
0.8
SSE
11
0.4
SE
11
0.2
SSE
10
0.1
SE
10
0.2
S
15
0.7
S
11
0.9
SSW
11
0.8
S
11
0.6
SW
15
0.6
SW
14
0.8
S
13
0.5
S
13
0.2
SSE
12
1.1
S
11
Energy kJ
370
298
117
33
111
117
246
148
30
10
4
17
125
202
143
141
132
222
81
15
302
Swell 3
Height (m)
Direction
Period (s)
0.3
S
13
0.3
SW
16
0.2
SSW
16
0.4
SW
14
0.7
SSW
13
0.4
SSW
19
0.3
S
15
0.3
S
14
0.4
SW
16
0.4
S
10
0.4
SSW
14
0.2
SSE
13
0.4
SE
12
0.2
SSE
10
0.2
SSE
11
Energy kJ
31
39
25
51
156
124
38
35
95
35
69
17
39
9
13
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
0.4
ESE
3
2
SSE
13
1
ESE
4
0.6
SSE
4
0.7
NNW
3
1.3
NW
5
1.3
NNW
5
1
NNW
4
0.7
NNW
4
0.6
N
3
0.6
NNW
4
0.6
NW
4
1.3
SSW
9
Energy kJ
2
3
1236
40
9
12
73
75
43
17
8
11
12
295
Nearest Offshore or Glassy
Rating
(10 max)
2
4
4
3
3
3
3
3
4
4
4
4
4
2
2
3
2
4
4
4
4
Distance (km)
21
34
16
12
36
16
34
21
10
160
160
249
43
0
0
249
20
12
20
10
16
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
3
4
3
4
2
2
2
5
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
5
4
9
7
4
5
4
6
5
5
4
4
4
4
4
4
3
5
5
5
5
Header Global
Rating
(10 max)
5
5
9
7
7
6
5
6
6
7
5
5
5
4
4
4
4
5
5
5
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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