Underwater Point surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 am Friday 27 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
16.5° C
(Which is 2.8°C colder than average for this time of year)

Best Forecast Surf Conditions for Underwater Point this week:

The surf forecast for Underwater Point over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 29) at 2AM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 1.3m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Underwater Point in the next 16 days are 2.5m 13s and forecast to arrive on Friday (Apr 03) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Monday (Mar 30) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 29th Mar)7ft (2.1m) 10s
Best Surf 2AM (Sun 29th Mar)7ft (2.1m) 10s
Most Powerful 8AM (Fri 3rd Apr)8ft (2.5m) 13s

Table - best surf conditions forecast for Underwater Point over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Fri night. Warm (max 20°C on Fri afternoon, min 17°C on Sun night). Winds decreasing (fresh winds from the NW on Fri afternoon, light winds from the SSW by Sat night).

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Tue night, min 17°C on Mon morning). Mainly fresh winds.

Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
1
4
3
2
1
1
0
0
2
1
1
2
1
3
4
1
3
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.3
WSW
1.6
WSW
2.5
SW
2.5
SW
2.1
SW
1.8
SW
1.8
SW
1.1
SW
1.2
S
0.9
S
1
SW
0.6
SW
0.7
SW
1
SW
1.3
SW
1.5
SW
2.1
SW
2.2
SW
2
SW
2
SW
Period(s) (?)99811111010131210910141513141413121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1942443301682172490158910213252621421841352123457268131374145011691266
Wind
(km/h)
20
NW
30
NW
20
WNW
20
WNW
20
WSW
10
SSE
10
S
15
S
25
SE
15
SE
25
SE
30
SE
10
SE
20
SSE
30
SE
20
SSE
25
S
20
SE
5
E
15
SW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
ononcross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
on
cross
High Tide
/ height (m)
11:24AM
1.09
12:11AM
1.19
12:38PM
1.19
1:05AM
1.33
1:27PM
1.30
1:45AM
1.45
2:05PM
1.39
2:19AM
1.55
2:38PM
1.45
2:50AM
1.60
3:09PM
1.49
3:19AM
1.62
3:38PM
1.49
3:47AM
1.60
Low Tide
/ height (m)
5:52PM
0.47
6:35AM
0.43
6:52PM
0.36
7:26AM
0.30
7:35PM
0.25
8:04AM
0.18
8:10PM
0.17
8:38AM
0.10
8:42PM
0.13
9:08AM
0.05
9:12PM
0.11
9:36AM
0.04
9:40PM
0.12
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Sunrise6:54--6:54--6:54--6:56--6:56--6:58--6:58--
Sunset-6:47--6:46--6:45--6:44--6:43--6:40--6:39-
clear
part cloud
rain showers
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
Rain (mm)
--1------------------
Temp. °C192019181918181818171818181920202019192020
Feels °C (?)171617151616171615141614181818191818202020
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Underwater Point Surf forecast

The above surf forecast table for Underwater Point provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Underwater Point can be found by selecting the local surf guide option on the grey menu. Our Underwater Point surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Underwater Point) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Underwater Point may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Cape Town? If you are looking for accommodation near Underwater Point, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 46 km (29 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Bellville which is 51 km (32 miles) away, Grabouw, Stellenbosch and Kayamnandi.

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