Dumps surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 pm Wednesday 18 Mar 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Dumps surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dumps sea temperature is
16.7° C
(Which is 2.6°C colder than average for this time of year)

How big are the waves at Dumps today?

The current surf forecast for Dumps at 7PM is: 1.4m 13s primary swell from a Southwest direction and 0.2m 10s secondary swell from a South direction (forecast issued at 01:00pm March 18). An open ocean swell of 1.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (18 Mar)4ft (1.2m)11s
Afternoon (18 Mar)4.5ft (1.4m)13s
Evening (18 Mar)4.5ft (1.4m)13s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Saturday
21
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
2
2
3
3
2
3
3
0
0
0
1
3
2
3
3
3
2
2
4
3
3
2
3
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SSW
1.4
SW
1.4
SW
1.4
SW
1.5
SSW
1.8
SSW
2
SSW
2.1
SSW
2.2
SSW
2.1
SSW
2
SSW
2
SSW
2.3
SW
2.5
SW
2.5
SSW
2.1
SSW
2.5
SSW
2.5
SSW
1.6
SSW
2.4
SSW
2.2
SSW
1.8
SSW
1.7
SSW
1.8
SSW
Period(s) (?)101413131313151414141414131313101010121112121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)28866162368971110601883190019291748160115791811231023667841379122465813651332936850904
Wind
(km/h)
10
SSW
15
SSW
15
S
10
SSE
10
ESE
5
NNE
10
NNW
15
N
25
NNW
30
NW
30
NW
15
NW
10
SW
10
SW
10
SSW
5
SSW
15
SSW
20
S
20
S
15
SSE
15
SSE
15
SSE
15
SSE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off
cross-
off
offcrosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:13PM
1.79
3:26AM
1.93
3:46PM
1.84
3:59AM
1.96
4:21PM
1.84
4:34AM
1.95
Low Tide
/ height (m)
9:07AM
0.30
9:15PM
0.31
9:39AM
0.24
9:47PM
0.28
10:13AM
0.22
10:21PM
0.28
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise-------6:48-------6:48-------6:48
Sunset--7:00-------6:59-------6:58-----
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
clear
light rain
part cloud
clear
clear
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------1----1----1-------
Temp. °C212324232221181821222119191918181919191818171716
Feels °C (?)222324232222181718181718191817181716151515141413
  • 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 Dumps 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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