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Nine Mile Reef surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 am Monday 20 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
18.9° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Nine Mile Reef today?

The current surf forecast for Nine Mile Reef at 12PM is: 3.0m 14s primary swell from a Southwest direction (forecast issued at 07:00am April 20). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (SAST) & DateWave HeightWave Period
Morning (20 Apr)15ft (4.5m)14s
Afternoon (20 Apr)8ft (2.5m)14s
Evening (20 Apr)8ft (2.5m)14s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thu
23
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
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0
!
0
0
!
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Swell
Height Map
Wave Height (m) & direction (?)
3
SW
4.5
SW
3
SW
3
SSW
2.5
SSW
2.5
SW
2.4
SSW
2.3
SSW
2.2
SSW
2.1
SSW
2.2
SSW
2.5
SSW
3
SSW
3
SSW
3
SSW
3.5
SSW
3.5
SSW
4
SSW
4
SSW
4
SSW
3.5
SSW
3.5
SSW
3.5
S
3
S
Period(s) (?)121414141414141313131312121212131415161616161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)216078513280312228262725212219151622140515242104228123642665357052396655692070086657582450584027
Wind
(km/h)
25
WNW
15
WNW
25
WNW
25
NW
30
NW
25
NW
20
NNW
20
NNW
20
N
25
N
25
NNW
15
W
20
SW
15
SSW
10
S
20
S
20
SSE
20
SE
20
SE
20
SE
25
SE
25
SE
20
ESE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffcrosscross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross
High Tide
/ height (m)
4:50AM
1.61
5:20PM
1.45
5:36AM
1.47
6:10PM
1.34
6:30AM
1.31
7:13PM
1.23
Low Tide
/ height (m)
11:09AM
0.07
11:24PM
0.21
11:55AM
0.20
12:17AM
0.34
12:51PM
0.34
1:27AM
0.47
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-7:11-------7:11-------7:11------
Sunset----6:15-------6:15-------6:14---
rain showers
rain showers
part cloud
rain showers
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
light rain
cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
clear
Rain (mm)
11-1-------31-----------
Temp. °C141416161615141414141616171717171615161919161413
Feels °C (?)91011119109101091014131314121211111413111010
  • 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

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.


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