Underwater Point surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Tuesday 17 Mar 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Underwater Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Underwater Point sea temperature is
17.9° C
(Which is 1.7°C colder than average for this time of year)

How big are the waves at Underwater Point today?

The current surf forecast for Underwater Point at 1AM is: 1.3m 11s primary swell from a South-southwest direction and 0.6m 16s secondary swell from a Southwest direction (forecast issued at 07:00pm March 17). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Mar)4ft (1.2m)11s
Afternoon (18 Mar)4.5ft (1.4m)13s
Evening (18 Mar)5ft (1.5m)13s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
1
1
1
1
1
1
0
0
0
0
2
4
2
2
1
0
0
2
2
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SSW
1.4
SSW
1.4
SSW
1.3
SSW
1.2
SW
1.2
SW
1.5
SW
1.4
SW
1.4
SW
1.5
SSW
1.6
SSW
2
SSW
2.1
SSW
2.2
SSW
2.3
SSW
2.2
SSW
2.1
SSW
2.1
SSW
2
SSW
2.5
SSW
1.8
SSW
1.7
SSW
2.5
SSW
2.5
SSW
Period(s) (?)11111111111114131313131615141414141413131313129
Wave
Graph
(?)Metric surfscale
Energy kJ (?)543450450396341334890732700722799187519252061209319021748169913842021106094317661102
Wind
(km/h)
25
SE
25
ESE
25
ESE
30
SE
30
SE
35
SE
40
ESE
40
SE
45
SE
45
ESE
40
ESE
20
E
15
NW
20
N
30
NNW
35
NNW
35
NNW
20
S
10
W
20
WSW
20
SW
25
SSW
25
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
on
crosscrosscross-
on
cross-
on
crossoncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
2:34PM
1.47
2:50AM
1.62
3:07PM
1.54
3:22AM
1.70
3:41PM
1.58
3:54AM
1.74
Low Tide
/ height (m)
8:40PM
0.09
9:05AM
0.04
9:11PM
0.03
9:37AM
-0.03
9:43PM
0.00
10:11AM
-0.06
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise-----6:47-------6:48-------6:48--
Sunset7:01-------7:00-------6:59-------
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
rain showers
cloud
cloud
cloud
cloud
light rain
rain showers
rain showers
rain showers
rain showers
part cloud
clear
Rain (mm)
------------1----11111--
Temp. °C202020201919192020202021191819192019191919181818
Feels °C (?)181818181615141514141520191615141617191616141314
  • 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 Underwater Point 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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