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Underwater Point surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Sunday 10 May 2026 SASTForecast 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
17.3° C
(Which is normal for this time of year)How big are the waves at Underwater Point today?
The current surf forecast for Underwater Point at 11AM is: 3.0m 13s primary swell from a West-southwest direction and 0.8m 7s secondary swell from a North-northwest direction (forecast issued at 07:00am May 10). An open ocean swell of 0.8m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 5ft (1.5m) | 13s |
| Afternoon (10 May) | 13ft (4.0m) | 9s |
| Evening (10 May) | 18ft (5.5m) | 11s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 57mm), heaviest during Mon morning. Very mild (max 18°C on Mon morning, min 13°C on Sun afternoon). Winds decreasing (severe gales from the NW on Mon morning, fresh winds from the W by Tue morning). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | WSW 13 | WSW 13 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WNW 10 | W 12 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | SSW 12 | |
623 | 760 | 2929 | 1796 | 4584 | 6946 | 7541 | 6775 | 4789 | 9715 | 17782 | 20072 | 18053 | 15038 | 12406 | 10559 | 7952 | 6919 | 4248 | 4502 | 3289 | 3601 | 3024 | 2538 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 9:35AM1.01m | 10:24PM1.16m | 10:55AM1.07m | 11:22PM1.27m | 11:55AM1.17m | 00:11AM1.39m | ||||||||||||||||||
Low Tide | 3:46PM0.53m | 4:54AM0.52m | 4:58PM0.48m | 5:51AM0.39m | 5:54PM0.39m | |||||||||||||||||||
 |  |  |  | |  |  | | |  | | | |  | | | | | | |  |  | | | |
 | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | 7:30 |
 | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | 5:53 |
8 | 2 | — | 4 | 2 | 1 | 1 | 1 | 1 | 8 | 9 | 4 | 2 | — | 1 | 7 | 5 | 2 | 3 | 4 | — | — | — | — | |
Temp °C | 14 | 16 | 15 | 13 | 13 | 15 | 14 | 15 | 15 | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 17 | 17 | 16 | 17 | 17 | 16 | 16 |
7 | 7 | 6 | 1 | -1 | 3 | 4 | 5 | 3 | -1 | 6 | 6 | 7 | 9 | 10 | 10 | 10 | 13 | 11 | 11 | 11 | 11 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | WSW 13 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | WSW 12 | WSW 12 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SSE 12 | SW 13 | SW 12 | SSW 13 | W 12 | W 12 | W 12 | SSW 13 | SSW 12 | SSW 12 |
 kJ | 623 | 760 | 190 | 127 | 123 | 77 | 42 | 6775 | 4789 | 44 | 27 | 25 | 24 | 24 | 15 | 2528 | 2427 | 2178 | 4248 | 4502 | 3289 | 2207 | 2144 | 2180 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | NNW 7 | NNW 7 | SW 22 | — | SSE 15 | SSE 15 | SE 11 | SE 11 | SE 11 | — | — | — | — | ESE 10 | SE 10 | — | NNW 9 | SW 13 | SW 13 | SSW 13 | NW 9 | — | — |
| kJ | 243 | 127 | 53 | 19 | — | 21 | 21 | 42 | 19 | 19 | — | — | — | — | 10 | 4 | — | 354 | 2936 | 2631 | 2242 | 316 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | — | — | — | SW 22 | — | — | SSE 14 | SSE 13 | — | — | — | — | — | — | — | — | NW 9 | — | NNW 9 | — | — | — |
| kJ | 272 | 197 | — | — | — | 18 | — | — | 18 | 18 | — | — | — | — | — | — | — | — | 1002 | — | 440 | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | W 8 | WSW 13 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | — | NW 7 | WNW 10 | W 12 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | — | W 12 | W 12 | W 12 | W 12 | W 12 |
| kJ | 355 | 562 | 2929 | 1796 | 4584 | 6946 | 7541 | — | 623 | 9715 | 17782 | 20072 | 18053 | 15038 | 12406 | 10559 | 7952 | 6919 | — | 2338 | 1888 | 3601 | 3024 | 2538 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 30 | 397 | 417 | 660 | 1054 | 997 | 456 | 378 | 359 | 1055 | 1011 | 1018 | 1031 | 416 | 317 | 416 | 20 | 338 | 30 | 24 | 24 | 30 | 30 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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