Nine Mile Reef surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 am Saturday 04 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
18.6° 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 8PM. The primary swell is predicted to be 0.6m and 10s 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 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. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Thursday (Apr 09) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 4th Apr)2ft (0.6m) 10s
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 Mostly dry. Warm (max 22°C on Sat afternoon, min 14°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the SSE by Mon afternoon).

Days 3-6 Weather Summary Some drizzle, heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 14°C on Tue morning). Wind will be generally light.

Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
!
!
!
!
0
!
!
!
2
3
1
3
2
0
3
2
0
2
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SW
0.7
SW
1.5
SSW
2.5
SSW
3.5
SSW
3
SSW
3
SSW
3
SSW
2.5
SSW
2.3
S
2.2
S
1.4
S
1.1
S
1.1
S
0.9
SSW
0.9
SW
0.8
SW
1.1
SW
1.4
SW
1.4
SW
1.4
SSW
Period(s) (?)111110151615141413131212111112121215141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)16511049430515861395040613478230317241439555284295243244216523763846752
Wind
(km/h)
10
WNW
15
WSW
15
S
15
S
20
SSW
15
S
20
S
30
SSE
20
SE
10
SE
15
SSE
10
E
5
SSW
10
S
5
NE
10
NNW
10
S
10
N
10
SSW
20
S
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crossononcross-
on
onononcross-
on
cross-
on
oncrossglassonglasscross-
off
onoffcross-
on
oncross-
on
High Tide
/ height (m)
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
10:20PM
0.99
Low Tide
/ height (m)
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
3:22PM
0.64
4:49AM
0.69
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
Sunrise6:58--7:00--7:00--7:01--7:01--7:03--7:03--
Sunset-6:37--6:35--6:34--6:32--6:30--6:30--6:29-
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
rain showers
clear
clear
clear
Rain (mm)
-----------------1---
Temp. °C212219191918181917192522262825262922232119
Feels °C (?)201920161514141312162220242524222723232018
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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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