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Underwater Point surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Tuesday 12 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
17.5° 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 11PM is: 3.0m 12s primary swell from a West direction and 3.0m 12s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 12). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 10ft (3.0m) | 13s |
| Evening (12 May) | 10ft (3.0m) | 12s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 14°C on Wed night). Winds decreasing (strong winds from the W on Tue night, calm by Thu morning). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | W 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 15 | S 14 | S 14 | S 14 | S 14 | |
3049 | 2759 | 2798 | 2529 | 2739 | 3202 | 3374 | 3518 | 3405 | 3095 | 2646 | 2383 | 2277 | 1794 | 1491 | 1065 | 823 | 743 | 494 | 819 | 1468 | 2121 | 2487 | 2475 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross-off | cross-off | |
High Tide | 00:11AM1.39m | 12:45PM1.29m | 00:56AM1.50m | 1:30PM1.39m | 1:40AM1.60m | |||||||||||||||||||
Low Tide | 5:54PM0.39m | 6:39AM0.25m | 6:43PM0.30m | 7:22AM0.12m | 7:29PM0.21m | 8:05AM0.02m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — |
 | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 |
10 | 9 | 8 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 12 | 14 | 15 | 17 | 16 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | W 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 14 | S 14 | S 14 | S 14 |
 kJ | 3049 | 2759 | 2216 | 2529 | 2739 | 3202 | 3374 | 3518 | 3405 | 3095 | 2646 | 2383 | 2277 | 1794 | 1491 | 1065 | 823 | 743 | 487 | 540 | 1468 | 2121 | 2487 | 2475 |
Swell 2 Height (m) Direction Period (s) | NW 9 | SSW 12 | — | — | SE 11 | W 12 | W 12 | W 12 | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | S 15 | SW 11 | SW 11 | SW 11 | WSW 15 |
| kJ | 349 | 2338 | — | — | 5 | 1947 | 1644 | 1535 | 1147 | 1124 | 944 | 851 | 667 | 667 | 593 | 811 | 730 | 356 | 494 | 819 | 561 | 505 | 382 | 1051 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SE 12 | SE 11 | SE 11 | — | — | — | SW 20 | SW 19 | WSW 19 | SW 18 | WSW 18 | WSW 17 | WSW 13 | WSW 16 | WSW 13 | WSW 12 | WSW 15 | WSW 15 | SW 11 |
| kJ | — | — | — | — | — | 5 | 5 | 5 | — | — | — | 15 | 15 | 36 | 81 | 123 | 119 | 204 | 402 | 506 | 392 | 566 | 661 | 326 |
Wind waves Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2338 | 1207 | 2798 | 2257 | 2229 | 1599 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 30 | 30 | 188 | 188 | 188 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 13 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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