Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 am Thursday 30 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
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 Thursday (Apr 30) at 5PM. The primary swell is predicted to be 2.3m and 16s period with a secondary swell of 0.8m and 11s. The wind is predicted to be onshore 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 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+) 5PM (Thu 30th Apr)7.5ft (2.3m) 16s
Best Surf 5PM (Thu 30th Apr)7.5ft (2.3m) 16s
Most Powerful 5PM (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

Mostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Thu morning). Winds increasing (calm on Thu night, fresh winds from the NNW by Fri afternoon).

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Mon morning. Warm (max 21°C on Sun afternoon, min 13°C on Mon night). Winds decreasing (fresh winds from the NNW on Mon afternoon, calm by Tue night).

Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
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
!
!
3
1
3
2
1
2
2
1
2
1
0
2
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>
Wave
Height (m)
Direction
Period (s)
1
SSW
14
2.3
SSW
16
2.1
SSW
14
1.8
SSW
13
1.8
SSW
12
1.8
SW
12
1.4
SW
11
1.2
WSW
11
0.9
WSW
10
0.6
SW
15
0.6
SW
14
0.6
SW
14
1
WSW
13
0.9
WSW
10
0.9
WSW
10
1.4
SW
12
2.4
S
12
3
S
12
2.5
S
12
2.3
S
12
2.2
SSE
13
Wave Graph
Metric surfscale
Energy kJ
413
2675
1657
1060
967
897
423
305
166
178
169
147
351
142
145
617
1626
2288
1731
1591
1616
Wind (km/h)
20
S
15
S
10
N
30
N
35
NNW
30
N
30
NNW
20
NNW
15
N
20
NNW
20
NW
25
N
35
NW
35
NNW
25
N
25
N
15
SSE
5
ENE
20
N
10
SSE
10
SE
on
on
off
off
cross-off
off
off
cross-off
off
off
cross-off
off
cross-off
cross-off
off
off
cross-on
cross-off
off
on
cross-on
High Tide
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
5:17PM1.27m
5:22AM1.26m
5:55PM1.20m
Low Tide
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
11:03AM0.29m
11:17PM0.42m
11:37AM0.37m
11:54PM0.50m
clear
clear
clear
cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:18
7:20
7:20
7:22
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:04
6:02
6:01
6:00
6:00
5:59
4
5
2
5
Temp °C
16
17
15
15
18
16
17
19
17
20
21
17
18
18
15
17
19
16
16
17
16
12
13
13
9
11
9
11
14
15
16
17
15
12
12
10
12
16
13
12
14
15
Swell 1
Height (m)
Direction
Period (s)
1.1
SSE
12
2.3
SSW
16
2.1
SSW
14
1.8
SSW
13
1.8
SSW
12
1.8
SW
12
1.4
SW
11
1.2
WSW
11
0.9
WSW
10
0.8
WSW
10
0.8
WSW
9
0.8
WSW
9
1
WSW
13
0.9
WSW
10
0.9
WSW
10
1.4
SW
12
2.4
S
12
3
S
12
2.5
S
12
2.3
S
12
2.2
SSE
13
Energy kJ
317
2675
1657
1060
967
897
423
305
166
122
98
96
351
142
145
617
1626
2288
1731
1591
1616
Swell 2
Height (m)
Direction
Period (s)
1
SSW
14
0.8
SSE
11
0.4
SE
11
0.2
SSE
10
0.1
SE
10
0.3
S
15
0.9
S
11
0.8
S
11
0.8
S
11
0.7
S
10
0.6
S
10
0.6
SW
14
0.8
S
12
0.7
S
12
0.6
SW
12
0.7
S
11
1
WSW
12
0.4
WSW
12
0.5
SW
15
0.5
SW
14
0.4
SW
13
Energy kJ
413
148
30
11
4
39
202
151
143
100
73
147
193
141
106
114
309
57
104
100
61
Swell 3
Height (m)
Direction
Period (s)
0.5
S
19
0.5
S
15
0.3
S
15
0.3
S
14
0.5
SW
16
0.6
SW
15
0.6
SW
14
0.6
S
13
0.1
SE
13
0.6
SW
13
0.6
S
11
0.1
SW
19
0.3
SW
18
0.4
SW
16
0.4
WSW
12
0.4
SW
11
0.3
SW
16
Energy kJ
176
104
38
36
130
178
169
128
7
134
94
15
49
91
54
30
41
Wind waves
Height (m)
Direction
Period (s)
0.9
NNW
4
1.3
NW
5
1.1
NNW
5
1
NNW
4
0.6
NNW
4
0.3
NNW
3
0.6
WNW
3
0.9
NNW
4
0.9
NW
4
0.9
WNW
4
0.8
N
4
Energy kJ
21
89
56
43
10
1
7
22
29
31
18
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
4
4
3
3
3
2
2
2
2
3
1
2
3
4
4
4
4
4
Distance (km)
32
21
12
160
249
196
214
196
0
0
18
0
249
318
0
0
16
16
18
16
16
Best forecast wave conditions in Cape Town
Rating
(10 max)
3
3
4
4
4
2
2
2
3
5
5
5
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
5
5
5
4
4
4
4
4
4
4
4
3
4
4
4
5
4
5
4
4
Header Global
Rating
(10 max)
6
5
6
7
5
5
5
7
4
4
4
5
5
4
5
5
5
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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