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Surf Forecasts:

Nine Mile Reef surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 am Wednesday 18 Mar 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 slightly cooler than normal)

How big are the waves at Nine Mile Reef today?

The current surf forecast for Nine Mile Reef at 2PM is: 1.0m 14s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a South direction, 1.3m 5s secondary swell from a Southeast direction (forecast issued at 07:00am March 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Mar)3ft (0.9m)11s
Afternoon (18 Mar)3.5ft (1.0m)14s
Evening (18 Mar)3.5ft (1.1m)13s

Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Sat
21
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
1
1
0
0
0
0
1
4
4
4
3
2
2
3
1
2
4
2
1
0
0
0
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SSW
0.9
SSW
0.8
SSW
1
SSW
1
SSW
1.1
SSW
1.2
SSW
1.5
SSW
1.6
SSW
1.7
SSW
1.7
SSW
1.7
SSW
1.6
SSW
1.5
SSW
1.5
SSW
1.7
SSW
1.8
SSW
1.7
SSW
1.8
SSW
1.9
SSW
1.1
SSW
1.1
SSW
1.7
SSW
1.1
SSW
Period(s) (?)11101114131313161515141414141313131312912121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)222170149384326378447102511631174117111119888627679081120953931592317317754328
Wind
(km/h)
5
SSE
10
SE
15
SSE
20
SSE
20
SE
15
ESE
15
ESE
5
NE
10
NNW
20
N
30
NNW
35
NW
35
NW
15
NW
10
WSW
10
WSW
5
WSW
5
SSW
15
S
20
SSW
20
S
15
S
15
SSE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
on		crossglasscross-
on		ononononcross-
on		cross-
on
High Tide
/ height (m)
2:50AM
1.63
3:07PM
1.56
3:21AM
1.72
3:40PM
1.60
3:54AM
1.75
4:15PM
1.60
Low Tide
/ height (m)
9:05AM
0.05
9:11PM
0.03
9:37AM
-0.03
9:43PM
0.01
10:10AM
-0.05
10:16PM
0.02
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise-6:46-------6:47-------6:48------
Sunset----7:00-------6:58-------6:57---
clear
clear
clear
clear
clear
cloud
cloud
thunderstorm
rain showers
cloud
part cloud
part cloud
cloud
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
clear
clear
clear
clear
Rain (mm)
-------11----111111-----
Temp. °C202024262521212019182323221919181818192019181817
Feels °C (?)222124252320212119161918171919181818171715151614
  • 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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FREE! Surf-Forecast.com widget for your website

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

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