Underwater Point surfForecast / Cape Town / South Africa

information circle12 Day Weather and Surf, issued 1 pm Friday 02 Jan 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
18.2° C
(Which is 1.5°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 06) at 2AM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 0.9m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Underwater Point in the next 12 days are 4.5m 15s and forecast to arrive on Wednesday (Jan 07) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Saturday (Jan 03) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 6th Jan)4.5ft (1.4m) 12s
Best Surf 2AM (Tue 6th Jan)4.5ft (1.4m) 12s
Most Powerful 5PM (Wed 7th Jan)15ft (4.5m) 15s

Table - best surf conditions forecast for Underwater Point over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Fri afternoon, min 19°C on Sat night). Winds increasing (moderate winds from the SSW on Fri afternoon, near gales from the SE by Sat night).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Mon afternoon, min 18°C on Wed morning). Winds increasing (calm on Mon night, strong winds from the SE by Wed night).

Fri
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
1
1
0
0
0
0
2
1
3
0
0
2
5
7
4
3
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1
WSW
1.6
WSW
2.1
WSW
1.8
WSW
1.5
WSW
1.2
WSW
1.2
WSW
1.3
WSW
1.4
WSW
1.4
WSW
1.4
WSW
1.5
WSW
1.9
SW
3
SW
4
SSW
4.5
SSW
4
SW
3.5
SW
3
SW
2.2
SW
1.4
WSW
Period(s) (?)181614141312121211111211111114151413131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6591305174813147343973844644924665275087912015664496006237364228151392560
Wind
(km/h)
20
SSW
40
SE
40
SSE
45
SE
50
SE
45
SE
50
SE
40
SE
20
SSE
20
S
0
E
20
W
25
WSW
25
S
30
SSE
35
SSE
35
SE
30
SSE
40
SSE
40
SE
40
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossglassononcrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:29PM
1.54
3:04AM
1.50
3:18PM
1.57
3:50AM
1.56
4:03PM
1.55
4:33AM
1.58
4:46PM
1.50
5:15AM
1.57
5:28PM
1.42
5:56AM
1.52
6:09PM
1.32
6:36AM
1.44
6:51PM
1.21
7:18AM
1.34
Low Tide
/ height (m)
8:53PM
0.04
9:12AM
0.14
9:37PM
0.01
10:00AM
0.11
10:19PM
0.01
10:45AM
0.12
10:59PM
0.05
11:29AM
0.17
11:38PM
0.13
12:12PM
0.24
12:15AM
0.22
12:56PM
0.33
12:53AM
0.34
1:42PM
0.42
Fri
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Sunrise--5:37--5:39--5:39--5:41--5:41--5:41--5:43
Sunset8:00--8:00--8:01--8:01--8:01--8:01--8:01--
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
---------------------
Temp. °C222120202020202020212121212119191919191920
Feels °C (?)212015141314131318202020182115141314141215
  • Map Icons:
  • Break
  • 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 12 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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