Nine Mile Reef Surf Break

Lat Long: 34.07° S 18.66° E

Nine Mile Reef Surf Forecast and Surf Report

Issued: 7 am 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nine Mile Reef sea temperature is
15.0°C
0.8° 

Nine Mile Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Nine Mile Reef surf forecast from 24 Sep 2026:

  • Best quality surf: Tuesday 29 Sep, 11AM (local time) - 7.5ft (2.3m), 8s period, ESE swell with glassy winds.
  • Most powerful swell: Saturday 26 Sep, 5PM (local time) - 5ft (1.5m), 14s period, SSW swell with 934 kJ wave energy.
  • Next surfable swell (1★+): Thursday 24 Sep, 8PM (local time) - 4.5ft (1.4m), 13s period with SSW swell.

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 (Sep 24) at 8PM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.7m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 16 days are 1.5m 14s and forecast to arrive on Saturday (Sep 26) 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 0.6m 4s period and expected on Thursday (Oct 01) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 24th Sep)4.5ft (1.4m) 13s
Best Surf11AM (Tue 29th Sep)7.5ft (2.3m) 8s
Most Powerful 5PM (Sat 26th Sep)5ft (1.5m) 14s

Table - best surf conditions forecast for Nine Mile Reef over the next 16 days.


Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat morning. Warm (max 20°C on Thu morning, min 15°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Tue afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the SSE on Sun afternoon, calm by Tue morning).

Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
3
0
2
3
1
0
0
0
0
0
0
0
0
!
1
2
2
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSW
16
1.4
SSW
14
1.3
SSW
13
1.2
SSW
12
1.1
SSW
12
1.1
SSW
12
1.4
SW
15
1.5
SSW
14
1.1
SW
13
1
SW
14
2.1
SSE
6
1.8
SSE
7
1.5
SSE
7
1.6
SE
7
1.4
SE
7
2.3
ESE
8
1.1
SE
9
1.9
SE
9
0.7
SW
14
0.6
SW
13
0.6
SW
13
Wave Graph
Metric surfscale
Energy kJ
561
756
569
405
341
322
930
934
380
382
331
325
237
215
217
616
197
639
203
144
104
Wind (km/h)
5
SW
10
S
5
SSE
10
S
10
N
5
S
10
S
20
S
25
SSE
30
SSE
35
SE
25
SE
20
ESE
25
SE
15
ESE
5
SSE
5
S
10
E
10
WNW
10
S
15
N
Wind State
cross-on
on
glassy
on
off
glassy
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
on
cross
cross-off
on
off
High Tide
2:01PM1.48m
2:15AM1.44m
2:29PM1.59m
2:46AM1.52m
2:59PM1.67m
3:18AM1.56m
3:30PM1.70m
3:51AM1.56m
4:02PM1.69m
4:25AM1.53m
4:38PM1.63m
5:02AM1.46m
5:16PM1.53m
Low Tide
8:15PM0.19m
8:20AM0.15m
8:44PM0.09m
8:49AM0.09m
9:14PM0.02m
9:19AM0.05m
9:45PM-0.01m
9:51AM0.06m
10:19PM0.00m
10:25AM0.10m
10:55PM0.07m
11:03AM0.18m
11:34PM0.18m
cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:30
6:28
6:26
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
6:43
6:44
6:44
6:45
6:45
6:46
 mm
1
5
4
Temp °C
20
19
18
19
19
19
16
17
16
16
17
14
17
22
16
21
24
23
29
28
20
Feels °C
21
18
20
19
18
18
15
15
13
10
11
9
13
17
11
20
22
20
26
27
19
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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