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Underwater Point surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Saturday 09 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
17.7° 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 4PM is: 1.5m 14s primary swell from a West-southwest direction and 0.9m 4s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 09). An open ocean swell of 1.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 5.5ft (1.7m) | 14s |
| Afternoon (09 May) | 4ft (1.2m) | 13s |
| Evening (09 May) | 4.5ft (1.4m) | 13s |
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 58mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 13°C on Sun morning). Winds decreasing (severe gales from the NNW on Mon morning, fresh winds from the WNW by Tue morning). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 13 | WSW 13 | WSW 14 | WSW 13 | WSW 13 | NW 7 | SW 13 | W 8 | W 8 | 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 12 | W 12 | |
522 | 484 | 845 | 680 | 599 | 581 | 671 | 1049 | 1123 | 2110 | 4939 | 7620 | 7314 | 6936 | 5076 | 8451 | 17569 | 20035 | 17127 | 13139 | 11955 | 10234 | 5291 | 5160 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross | cross | cross | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | |
High Tide | 8:03AM1.01m | 9:09PM1.09m | 9:35AM1.01m | 10:24PM1.16m | 10:55AM1.07m | 11:22PM1.27m | ||||||||||||||||||
Low Tide | 2:22PM0.54m | 3:33AM0.61m | 3:46PM0.53m | 4:54AM0.52m | 4:58PM0.48m | 5:51AM0.39m | ||||||||||||||||||
 |  | |  | |  | |  |  | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — |
 | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | 5:54 |
— | — | — | — | — | 4 | 5 | 1 | 2 | 6 | 3 | 1 | 1 | 1 | 1 | 8 | 10 | 5 | 2 | 1 | 1 | 1 | 3 | 1 | |
Temp °C | 16 | 17 | 16 | 16 | 16 | 14 | 14 | 15 | 13 | 13 | 13 | 15 | 14 | 14 | 15 | 15 | 17 | 18 | 18 | 18 | 17 | 16 | 16 | 17 |
11 | 11 | 9 | 9 | 7 | 5 | 6 | 5 | 4 | 1 | -1 | 2 | 4 | 4 | 3 | 0 | 4 | 7 | 9 | 9 | 8 | 10 | 10 | 13 | |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 13 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | WSW 12 | SE 13 | SSE 10 | SSE 9 | SE 13 | NNW 10 | SE 12 | SSW 13 | SW 13 | SW 13 |
 kJ | 563 | 600 | 845 | 680 | 599 | 581 | 623 | 679 | 907 | 127 | 123 | 77 | 43 | 42 | 5076 | 44 | 18 | 17 | 25 | 567 | 24 | 2288 | 3587 | 3097 |
Swell 2 Height (m) Direction Period (s) | WSW 13 | WSW 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SW 22 | — | SSE 15 | SSE 15 | SSE 14 | SE 11 | SE 11 | SE 13 | SE 13 | — | SE 12 | — | — | SE 12 | SE 12 |
| kJ | 522 | 484 | 451 | 380 | 324 | 277 | 236 | 197 | 190 | 19 | — | 21 | 21 | 20 | 30 | 19 | 27 | 26 | — | 25 | — | — | 37 | 22 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | NW 11 | — | — | — | — | — | — | — | — | SW 22 | — | — | SSE 14 | SSE 13 | — | — | — | — | — | — | — | — |
| kJ | 466 | 459 | 5 | — | — | — | — | — | — | — | — | 18 | — | — | 18 | 18 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | NNW 4 | NW 5 | NNW 6 | NW 7 | WNW 7 | W 8 | W 8 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | NW 7 | WNW 10 | W 12 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 |
| kJ | — | 10 | 37 | 102 | 225 | 559 | 671 | 1049 | 1123 | 2110 | 4939 | 7620 | 7314 | 6936 | 658 | 8451 | 17569 | 20035 | 17127 | 13139 | 11955 | 10234 | 5291 | 5160 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 34 | 24 | 25 | 49 | 49 | 49 | 359 | 359 | 378 | 452 | 586 | 595 | 1054 | 997 | 359 | 359 | 890 | 1011 | 999 | 453 | 317 | 317 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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