Dunes surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 am Wednesday 18 Feb 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
15.8° C
(Which is 4.1°C colder than average for this time of year)


How big are the waves at Dunes today?

The current surf forecast for Dunes at 6AM is: 2.1m 14s primary swell from a Southwest direction and 1.2m 7s secondary swell from a South-southwest direction (forecast issued at 01:00am February 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Feb)7ft (2.1m)14s
Afternoon (18 Feb)5.5ft (1.7m)13s
Evening (18 Feb)5.5ft (1.7m)13s

Table - waves today at Dunes. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
4
4
4
3
2
2
2
2
2
2
2
2
2
2
1
1
1
3
3
3
3
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SW
2.3
SW
2.2
SW
2.1
SW
1.9
SW
1.8
SW
1.7
SW
1.8
SW
1.7
SW
1.6
SW
1.8
SW
1.6
SW
1.4
SW
1.6
SW
1.6
SW
1.6
SW
1.5
SW
1.6
SW
1.6
SW
1.5
SW
1.3
SW
2.1
SE
2.4
SE
2.5
SE
Period(s) (?)151414141313131313131312121413131312121212777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)25622090190215271266114497610539768091021812570961933905723773689614494383547661
Wind
(km/h)
10
SSE
10
SE
5
NW
15
N
15
NNW
15
W
30
S
30
SSE
30
SSE
30
SE
30
SE
30
SE
30
SE
35
SSE
40
SSE
45
SE
40
SE
30
SE
25
SE
25
ESE
20
SE
35
SE
40
SE
40
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glasscrosscross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
off
High Tide
/ height (m)
3:52AM
1.62
4:04PM
1.54
4:23AM
1.66
4:37PM
1.53
4:54AM
1.67
5:11PM
1.49
Low Tide
/ height (m)
9:41PM
0.04
10:03AM
0.08
10:10PM
0.02
10:35AM
0.05
10:40PM
0.03
11:08AM
0.05
Wednesday
18
Thursday
19
Friday
20
Sunrise---6:22-------6:24-------6:24----
Sunset------7:36-------7:35-------7:34-
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C202019192021212020191919202120202020202022232222
Feels °C (?)212121181921181717161615161714141516181820191717
  • 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

Latest Updates

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 Dunes 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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