Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 pm Friday 03 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
18.8° 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 Saturday (Apr 04) at 2AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.2m and 6s. 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 3.5m 16s and forecast to arrive on Sunday (Apr 05) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 4th Apr)3ft (0.9m) 12s
Best Surf 5AM (Sun 5th Apr)7ft (2.1m) 11s
Most Powerful 5PM (Sun 5th Apr)11ft (3.5m) 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 Some drizzle, heaviest during Mon morning. Warm (max 22°C on Fri afternoon, min 17°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Thu morning, min 13°C on Tue morning). Winds decreasing (fresh winds from the SSE on Mon afternoon, calm by Wed night).

Fri
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
1
0
0
!
!
!
!
0
0
!
!
3
3
1
2
2
1
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1
SW
0.9
SW
0.8
SW
0.7
SW
1.5
SSW
2.5
SSW
3.5
SSW
3
SSW
3
SSW
3
SSW
3
SSW
2.4
S
2.4
S
1.8
S
1.3
S
1.2
S
0.9
S
0.8
SW
0.6
SW
0.8
SW
0.9
SW
Period(s) (?)121211111015161514141313131212111113171514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)27819516511049430925485389943043528265319091796900464350188196224273346
Wind
(km/h)
10
S
5
SSW
10
WNW
15
SW
20
S
15
S
20
SSW
10
S
20
S
30
SSE
20
ESE
15
SE
15
SSE
10
E
5
SSW
10
S
10
NE
10
NW
5
SSE
10
NNW
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscross-
off
cross-
on
ononcross-
on
onononcross-
on
cross-
on
cross-
on
crossglassoncross-
off
cross-
off
cross-
on
offglass
High Tide
/ height (m)
4:06PM
1.49
4:14AM
1.56
4:34PM
1.44
4:42AM
1.48
5:02PM
1.36
5:10AM
1.38
5:31PM
1.27
5:39AM
1.27
6:04PM
1.17
6:12AM
1.15
6:47PM
1.06
6:58AM
1.04
8:06PM
0.98
8:35AM
0.96
Low Tide
/ height (m)
10:08PM
0.16
10:29AM
0.12
10:35PM
0.22
10:56AM
0.19
11:02PM
0.30
11:22AM
0.29
11:29PM
0.40
11:52AM
0.39
12:00AM
0.50
12:28PM
0.50
12:42AM
0.62
1:24PM
0.60
2:07AM
0.71
Fri
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Sunrise--6:58--7:00--7:00--7:01--7:01--7:03--7:03
Sunset6:37--6:37--6:35--6:34--6:32--6:30--6:30--
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
--------1------------
Temp. °C221921211918191817181618242125272630302422
Feels °C (?)242020181915151415121115201822232327282423
  • Map Icons:
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  • 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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