Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 am Friday 01 May 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
17.8° C
(Which is normal for this time of year)

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 (May 01) at 5AM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.3m and 11s. 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 5.0m 12s and forecast to arrive on Wednesday (May 06) at 2AM. Winds are predicted to be cross-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+) 5AM (Fri 1st May)6ft (1.9m) 13s
Best Surf 2PM (Wed 6th May)11ft (3.5m) 12s
Most Powerful 2AM (Wed 6th May)16ft (5.0m) 12s

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 7mm), mostly falling on Sun night. Warm (max 22°C on Sun afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the NNW by Sat night).

Days 4-6 Weather Summary

Heavy rain (total 51mm), heaviest during Tue night. Very mild (max 19°C on Mon afternoon, min 14°C on Tue afternoon). Winds increasing (calm on Mon afternoon, near gales from the SSE by Tue night).

Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
2
2
2
2
2
2
3
2
2
0
1
0
0
0
0
0
0
0
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)
1.9
SSW
13
1.8
SSW
12
1.8
SW
12
1.5
SW
11
1.3
WSW
11
0.9
WSW
10
0.7
SW
15
1.1
SW
14
0.8
SW
13
1
WSW
11
0.9
WSW
10
1.1
SW
12
1.1
SW
12
2.2
S
11
5
SSE
12
3.5
SSE
12
3
SSE
11
3
SSE
11
1.6
SSE
9
1.7
SSE
9
1.1
S
9
Wave Graph
Metric surfscale
Energy kJ
1170
967
851
524
382
189
215
521
208
242
161
319
361
1137
7751
3741
2660
2132
461
487
185
Wind (km/h)
30
N
35
NNW
30
N
30
N
15
NNW
15
N
20
NNW
20
NW
20
NNW
10
WNW
5
S
10
ESE
15
SSE
30
SE
60
SSE
25
SE
25
SSE
20
SSE
20
SSE
20
SSE
15
ESE
off
cross-off
off
off
cross-off
off
off
cross-off
off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:12PM1.43m
3:17AM1.51m
3:42PM1.43m
3:47AM1.47m
4:12PM1.39m
4:18AM1.41m
4:43PM1.34m
4:49AM1.34m
5:17PM1.27m
5:22AM1.26m
5:55PM1.20m
6:00AM1.17m
6:43PM1.13m
Low Tide
9:07AM0.11m
9:13PM0.23m
9:35AM0.13m
9:43PM0.25m
10:03AM0.16m
10:13PM0.29m
10:33AM0.22m
10:44PM0.34m
11:03AM0.29m
11:17PM0.42m
11:37AM0.37m
11:54PM0.50m
12:17PM0.44m
00:44AM0.58m
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
rain showers
rain showers
part cloud
rain showers
cloud
light rain
heavy rain
light rain
cloud
rain showers
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:20
7:20
7:22
7:22
7:22
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:02
6:01
6:00
6:00
5:59
5:59
7
4
1
4
39
2
1
1
Temp °C
16
18
16
16
18
18
20
22
18
18
19
16
16
16
15
16
15
15
17
17
16
10
11
10
10
14
16
17
19
16
16
17
14
13
12
5
11
12
10
14
13
13
Swell 1
Height (m)
Direction
Period (s)
1.9
SSW
13
1.8
SSW
12
1.8
SW
12
1.5
SW
11
1.3
WSW
11
0.9
WSW
10
0.9
SW
10
1.1
SW
14
1
WSW
10
1
WSW
11
0.9
WSW
10
1.1
SW
12
1.1
SW
12
2.2
S
11
0.5
SW
12
0.6
SW
15
0.6
SW
14
2
SSE
10
1.6
SSE
9
0.4
SW
14
1.1
S
9
Energy kJ
1170
967
851
524
382
189
142
521
208
242
161
319
361
1137
68
134
119
794
461
70
185
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
10
0.1
SE
10
0.3
S
15
0.7
S
11
0.8
S
11
0.8
S
10
0.7
SW
15
0.5
S
10
0.8
SW
13
0.7
S
12
0.7
S
12
0.7
SSW
11
0.8
SSW
11
0.8
WSW
12
0.4
SW
16
0.6
WSW
12
0.4
SW
13
0.3
SW
12
0.3
SW
20
0.8
SSE
12
Energy kJ
11
4
39
123
151
141
215
49
205
148
139
128
158
184
90
107
61
23
60
171
Swell 3
Height (m)
Direction
Period (s)
0.1
W
21
0.3
S
15
0.3
S
14
0.5
SW
16
0.7
S
10
0.3
S
15
0.5
S
13
0.5
SW
13
0.6
SW
13
0.1
SW
20
0.2
SSW
18
0.3
SW
18
0.1
SW
17
0.3
SW
15
0.1
S
21
0.5
SW
18
Energy kJ
9
38
36
130
100
38
90
87
104
16
31
49
11
34
9
154
Wind waves
Height (m)
Direction
Period (s)
0.9
NNW
4
1.3
NW
5
1.2
NNW
5
1.3
NNW
5
0.6
NNW
4
0.3
NNW
3
0.4
NW
3
0.7
WNW
4
0.7
NNW
4
0.4
NW
3
0.5
E
3
5
SSE
12
3.5
SSE
12
3
SSE
11
3
SSE
11
1.7
SSE
9
0.4
ESE
3
Energy kJ
21
89
66
72
11
1
2
11
13
3
6
7751
3741
2660
2132
487
4
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
4
3
2
2
4
3
2
2
2
3
4
4
2
4
4
4
3
3
Distance (km)
249
160
196
249
18
0
0
18
0
0
0
16
16
31
300
27
22
31
29
56
16
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
5
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
5
4
4
4
4
4
4
4
4
4
4
3
4
4
6
9
4
8
7
5
5
Header Global
Rating
(10 max)
7
5
5
9
7
4
5
5
4
4
5
4
5
4
6
9
8
9
7
7
8
  • 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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