Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 pm 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
17.7° 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 Saturday (May 02) at 5PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.8m 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 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 12s period and expected on Tuesday (May 05) at 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sat 2nd May)4.5ft (1.3m) 11s
Best Surf11AM (Tue 5th May)8ft (2.4m) 12s
Most Powerful 5PM (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

Moderate rain (total 18mm), heaviest on Sun night. Warm (max 22°C on Sun afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the N by Sat night).

Days 5-7 Weather Summary

Heavy rain (total 21mm), heaviest during Wed morning. Very mild (max 18°C on Mon afternoon, min 13°C on Mon night). Mainly near gales.

Fri
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
2
2
3
2
2
2
1
1
1
2
!
0
!
0
!
!
1
0
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>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
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
0.9
WSW
10
1
WSW
9
1.3
WSW
9
1.1
SW
10
2.4
SSW
12
2.5
S
12
2.3
S
11
4.5
SSE
13
5
SSE
12
2.1
SSE
11
1.7
SSE
9
1.5
SSE
9
0.6
SW
18
1
SSE
13
Wave Graph
Metric surfscale
Energy kJ
967
913
534
352
182
218
521
192
168
288
211
1622
2096
1347
6727
7005
1027
517
352
194
361
Wind (km/h)
35
NNW
30
N
30
N
20
NNW
15
N
20
NNW
20
NW
30
N
25
WNW
20
WNW
15
N
10
E
25
ESE
15
S
50
S
20
SSE
15
SSE
10
SSE
15
SSE
10
ESE
10
SSE
cross-off
off
off
off
off
off
cross-off
off
cross-off
cross-off
off
cross
cross-on
on
on
cross-on
cross-on
cross-on
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
6:49AM1.09m
Low Tide
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
1:09PM0.51m
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
rain showers
rain showers
clear
part cloud
rain showers
part cloud
rain showers
heavy rain
rain showers
rain showers
rain showers
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:22
7:22
7:22
7:24
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
5:58
13
5
1
1
15
2
1
1
Temp °C
18
16
16
18
18
20
22
18
17
18
16
16
17
14
16
16
15
17
17
16
17
11
9
10
15
16
17
19
16
12
13
12
13
14
11
7
11
12
15
14
14
15
Swell 1
Height (m)
Direction
Period (s)
1.8
SSW
12
1.8
SW
12
1.5
SW
11
1.3
WSW
11
0.9
WSW
10
0.9
WSW
10
1.1
SW
14
0.9
WSW
10
1
WSW
9
1.3
WSW
9
1.1
SW
10
2.4
SSW
12
2.5
S
12
2.3
S
11
0.5
SW
15
3.5
SSE
12
0.4
SW
13
1.7
SSE
9
0.5
SW
14
1.1
S
9
1
SSE
13
Energy kJ
967
913
534
352
182
178
521
192
168
288
211
1622
2096
1347
104
3191
61
517
91
186
312
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
10
0.3
S
15
0.6
S
11
0.8
S
11
0.8
S
11
0.7
SW
15
0.6
S
10
0.6
SW
13
0.7
S
12
0.7
SSW
12
0.7
SW
12
2.1
W
12
0.9
WSW
11
0.6
WSW
12
0.4
SW
12
0.6
SW
14
0.1
SW
16
0.4
SW
15
0.4
SSE
12
0.8
SSE
12
0.9
SSE
8
Energy kJ
4
39
87
151
143
218
71
144
148
147
130
1194
170
94
34
125
11
75
60
169
107
Swell 3
Height (m)
Direction
Period (s)
0.1
W
21
0.4
S
14
0.4
S
14
0.5
SW
16
0.7
S
10
0.3
S
15
0.6
S
13
0.6
SW
13
0.4
SW
13
0.6
S
11
0.2
WSW
18
0.4
SW
18
0.4
SW
16
0.3
SW
16
0.3
SW
12
0.3
SW
20
0.6
SW
18
0.8
SW
16
Energy kJ
9
64
64
130
100
38
130
138
62
94
32
80
91
43
22
60
194
361
Wind waves
Height (m)
Direction
Period (s)
1.3
NW
5
1.3
NNW
5
1.3
NNW
5
0.8
NNW
4
0.4
N
3
0.3
NNW
3
0.6
WNW
3
0.7
NNW
4
0.7
WNW
4
0.8
WNW
4
0.7
NNW
4
0.8
N
4
4.5
SSE
13
5
SSE
12
2.1
SSE
11
1.5
SSE
9
0.4
ESE
3
0.4
ESE
3
Energy kJ
85
75
69
22
3
1
6
13
13
17
11
18
6727
7005
1027
352
4
4
Nearest Offshore or Glassy
Rating
(10 max)
4
3
3
3
2
2
4
4
2
3
2
4
4
4
4
9
4
3
3
3
3
Distance (km)
160
196
214
0
0
0
18
60
10
18
0
12
16
16
320
16
16
16
16
16
16
Best forecast wave conditions in Cape Town
Rating
(10 max)
3
4
4
4
2
4
4
5
5
4
9
4
4
3
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
3
4
4
4
5
7
7
9
5
5
4
6
5
Header Global
Rating
(10 max)
6
5
5
4
4
4
4
4
4
5
5
5
5
7
7
8
5
5
5
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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