Underwater Point surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 pm Tuesday 05 May 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 normal 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 Saturday (May 09) at 2AM. The primary swell is predicted to be 1.8m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Underwater Point in the next 16 days are 8.0m 14s and forecast to arrive on Monday (May 11) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 11s period and expected on Wednesday (May 06) at 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 9th May)6ft (1.8m) 14s
Best Surf 8AM (Mon 11th May)28ft (8.5m) 13s
Most Powerful11AM (Mon 11th May)26ft (8.0m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed morning. Very mild (max 17°C on Wed morning, min 15°C on Tue night). Winds increasing (light winds from the SSE on Tue night, strong winds from the SE by Wed afternoon).

Days 5-7 Weather Summary

Heavy rain (total 45mm), heaviest during Sun morning. Very mild (max 18°C on Sat afternoon, min 14°C on Sat night). Winds increasing (light winds from the N on Sat morning, stormy winds from the NNW by Sun night).

Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tue
12
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
3
0
0
0
0
1
2
2
2
4
2
2
0
0
0
0
!
!
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
3
S
11
1
SW
14
0.9
WSW
14
0.9
WSW
13
1
WSW
14
1.1
WSW
13
1.1
WSW
18
2
WSW
16
2.1
WSW
15
1.8
WSW
14
1.2
WSW
13
1.7
WSW
14
1.4
SW
13
6
WSW
10
5.5
WSW
12
6
WNW
10
8
W
14
7.5
WSW
15
6
W
14
5
W
12
5
WSW
12
Wave Graph
Metric surfscale
Energy kJ
2005
412
318
295
437
434
759
1948
1924
1301
484
1005
700
7128
8589
7257
25864
22277
13910
6508
7111
Wind (km/h)
20
SSE
35
SE
35
SE
30
SE
30
SE
35
SE
30
SE
30
ESE
35
SE
20
ESE
5
N
15
NW
55
N
60
W
55
WNW
65
NNW
70
WNW
55
WNW
45
WNW
50
W
40
WSW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross-on
cross
on
on
cross-on
on
on
cross-on
on
on
High Tide
5:23AM1.24m
5:55PM1.19m
6:01AM1.16m
6:43PM1.12m
6:50AM1.07m
7:48PM1.08m
8:03AM1.01m
9:09PM1.09m
9:35AM1.01m
10:24PM1.16m
10:55AM1.07m
11:22PM1.27m
11:55AM1.17m
Low Tide
11:17PM0.41m
11:38AM0.36m
11:55PM0.49m
12:18PM0.43m
00:44AM0.57m
1:10PM0.50m
1:57AM0.62m
2:22PM0.54m
3:33AM0.61m
3:46PM0.53m
4:54AM0.52m
4:58PM0.48m
5:51AM0.39m
5:54PM0.39m
clear
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
mod rain
mod rain
rain showers
light rain
heavy rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:26
7:26
7:26
7:28
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
5:59
5:58
5:57
5:55
5:55
5:54
2
1
1
8
18
3
6
8
2
5
19
1
Temp °C
16
17
17
17
16
16
16
15
16
16
15
18
17
15
15
16
17
16
17
17
17
14
11
11
12
11
11
10
9
10
10
13
15
14
4
4
0
2
5
9
11
8
Swell 1
Height (m)
Direction
Period (s)
3
S
11
1
SW
14
0.9
WSW
14
1.1
SE
12
1.9
SSE
11
1.1
WSW
13
1.7
SSE
13
2
WSW
16
2.1
WSW
15
1.8
WSW
14
1.2
WSW
13
1.7
WSW
14
1.4
SW
13
0.8
SE
12
0.6
SE
12
1.7
SW
14
0.4
SE
13
5.5
WSW
15
1.4
S
11
1.9
SW
13
Energy kJ
2005
412
318
341
926
434
890
1948
1924
1301
484
1005
700
175
114
1073
61
13279
451
1288
Swell 2
Height (m)
Direction
Period (s)
1.3
WSW
12
1
WSW
11
0.6
WSW
11
0.9
WSW
13
1
WSW
14
0.4
WSW
20
1.1
WSW
18
1.2
SE
12
0.4
SSE
16
1.3
SE
12
1.1
SE
13
1.1
SE
13
1.1
SE
12
1
SE
12
0.4
SE
12
0.3
SE
12
0.8
S
10
Energy kJ
429
243
88
295
437
149
759
423
104
537
411
418
374
278
35
23
120
Swell 3
Height (m)
Direction
Period (s)
0.7
SW
16
0.1
SW
20
0.4
WSW
16
0.2
WSW
21
0.3
S
12
1.1
WSW
13
0.9
SE
12
0.6
SSE
16
0.6
SSE
15
1.1
SW
14
0.6
SSE
13
0.2
SSE
14
Energy kJ
261
15
104
44
25
378
248
175
144
466
108
21
Wind waves
Height (m)
Direction
Period (s)
3
SSE
11
3
SSE
11
2
SSE
11
1.8
SSE
12
1.2
SSE
8
1.6
SE
12
0.9
ESE
5
1.1
NNW
4
6
WSW
10
5.5
WSW
12
6
WNW
10
8
W
14
7.5
WSW
15
6
W
14
5
W
12
5
WSW
12
Energy kJ
1939
1875
920
1032
197
772
37
45
7128
8589
7257
25864
22277
13910
6508
7111
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
4
3
4
4
4
4
4
4
4
4
3
2
4
4
6
7
4
Distance (km)
13
42
188
27
27
188
28
26
31
0
2
2
49
456
999
886
997
997
271
271
188
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
5
4
4
4
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
5
6
5
4
7
6
5
5
6
5
5
4
4
3
2
3
2
8
7
4
Header Global
Rating
(10 max)
4
5
6
5
5
7
6
5
6
6
5
5
5
4
5
5
5
6
8
9
5
  • 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 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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