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Surf Forecasts:

Nine Mile Reef surfForecast / Cape Town / South Africa

information circle12 Day Weather and Surf, issued 1 am Tuesday 17 Feb 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 1.1°C colder than average 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Feb 17) at 8AM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 0.8m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nine Mile Reef in the next 12 days are 1.6m 15s and forecast to arrive on Tuesday (Feb 17) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Feb 17) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Tue 17th Feb)3.5ft (1.1m) 16s
Best Surf 2AM (Sun 22nd Feb)7ft (2.1m) 8s
Most Powerful 8PM (Tue 17th Feb)5ft (1.6m) 15s

Table - best surf conditions forecast for Nine Mile Reef over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 26°C on Tue morning, min 19°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the S by Thu afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Sat afternoon, min 18°C on Sun night). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
2
3
3
1
0
0
0
1
1
0
2
1
0
!
0
0
2
1
0
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SSW
1.6
SSW
1.5
SSW
1.2
SW
1
SW
1.5
S
1.2
SSW
1.2
SSW
1.1
SW
0.9
SSW
2.3
SSE
1.9
SE
1.2
SSE
2
SSE
2.1
SE
0.9
SSE
1.2
SSE
0.7
SSW
0.7
SSW
0.7
SSW
0.8
SSW
Period(s) (?)1515141313813131212788788812121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8971117961517336313423451341243505413170428560103175136125113166
Wind
(km/h)
10
WNW
15
S
5
SSE
10
WNW
15
SSW
20
SSE
20
S
30
S
15
SE
10
S
25
SSE
10
ESE
10
S
20
SSE
5
ENE
10
SW
10
S
10
NNW
10
NW
15
WSW
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		onglasscross-
off		ononononcross-
on		ononcrossononcross-
off		cross-
on		oncross-
off		cross-
off		crossglass
High Tide
/ height (m)
3:32PM
1.53
3:53AM
1.64
4:04PM
1.56
4:23AM
1.68
4:36PM
1.55
4:54AM
1.69
5:11PM
1.51
5:28AM
1.64
5:47PM
1.43
6:05AM
1.55
6:28PM
1.32
6:48AM
1.42
7:18PM
1.18
Low Tide
/ height (m)
9:33AM
0.14
9:41PM
0.04
10:03AM
0.08
10:10PM
0.02
10:35AM
0.05
10:40PM
0.03
11:08AM
0.06
11:12PM
0.08
11:44AM
0.11
11:47PM
0.17
12:23PM
0.20
12:27AM
0.29
1:10PM
0.33
1:16AM
0.43
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise6:20--6:22--6:22--6:24--6:24--6:26--6:26--
Sunset-7:36--7:35--7:34--7:32--7:31--7:30--7:29-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
---------------------
Temp. °C262521252621232320252523262925252521242620
Feels °C (?)252322232521211917252322262825252422232422
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nine Mile Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Nine Mile Reef at:
surf-forecast.com

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 12 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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