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Underwater Point surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 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 10PM is: 1.3m 13s primary swell from a West-southwest direction and 1.8m 5s secondary swell from a North-northwest direction (forecast issued at 07:00pm May 09). An open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| 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 66mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 13°C on Sun afternoon). Winds decreasing (severe gales from the NNW on Mon morning, fresh winds from the NW by Tue morning). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 13 | WSW 13 | NNW 7 | SW 13 | W 8 | WSW 12 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WNW 9 | W 12 | W 13 | W 13 | W 13 | W 13 | WSW 13 | WSW 13 | W 12 | SW 13 | W 12 | |
845 | 680 | 599 | 664 | 726 | 1014 | 1256 | 1750 | 4341 | 7588 | 8451 | 7349 | 5268 | 6257 | 16263 | 21238 | 18053 | 15248 | 12350 | 9178 | 9007 | 4402 | 2982 | 3597 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | on | |
High Tide | 9:09PM1.09m | 9:35AM1.01m | 10:24PM1.16m | 10:55AM1.07m | 11:22PM1.27m | 11:55AM1.17m | ||||||||||||||||||
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 | 6 | 1 | 1 | 3 | 4 | 1 | 1 | — | 1 | 9 | 10 | 6 | 2 | 1 | 1 | 4 | 5 | 1 | 1 | 3 | |
Temp °C | 16 | 16 | 16 | 14 | 14 | 15 | 14 | 13 | 13 | 15 | 14 | 15 | 14 | 15 | 17 | 18 | 18 | 18 | 17 | 16 | 16 | 17 | 17 | 17 |
9 | 9 | 7 | 4 | 6 | 5 | 4 | 1 | -1 | 3 | 3 | 6 | 2 | 0 | 4 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | WSW 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | WSW 12 | SE 11 | SSE 9 | SSE 10 | SE 12 | SSE 12 | SE 12 | NNW 10 | WSW 13 | W 12 | W 12 | SW 13 |
 kJ | 845 | 680 | 599 | 581 | 623 | 679 | 1256 | 127 | 123 | 77 | 59 | 42 | 5268 | 18 | 29 | 30 | 24 | 82 | 23 | 643 | 9007 | 4402 | 2966 | 2937 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SW 22 | SW 22 | SSE 15 | SSE 15 | SSE 14 | SE 11 | SSE 10 | SE 13 | SE 13 | — | SE 10 | — | SE 10 | NNW 10 | SSW 13 | SW 13 | SSE 12 |
| kJ | 451 | 380 | 324 | 277 | 200 | 197 | 190 | 19 | 18 | 21 | 21 | 20 | 42 | 19 | 26 | 25 | — | 16 | — | 4 | 565 | 2460 | 2982 | 14 |
Swell 3 Height (m) Direction Period (s) | NW 11 | — | — | — | — | NNW 7 | — | — | — | SW 22 | — | — | SSE 14 | SSE 13 | — | — | — | — | — | — | — | NW 10 | NW 9 | — |
| kJ | 5 | — | — | — | — | 75 | — | — | — | 18 | — | — | 18 | 17 | — | — | — | — | — | — | — | 77 | 460 | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 5 | NNW 6 | NNW 7 | WNW 7 | W 8 | W 8 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | NW 7 | WNW 9 | W 12 | W 13 | W 13 | W 13 | W 13 | WSW 13 | W 12 | NNW 9 | W 12 | W 12 |
| kJ | 37 | 91 | 239 | 664 | 726 | 1014 | 786 | 1750 | 4341 | 7588 | 8451 | 7349 | 588 | 6257 | 16263 | 21238 | 18053 | 15248 | 12350 | 9178 | 2831 | 286 | 2084 | 3597 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 26 | 27 | 49 | 49 | 75 | 337 | 378 | 841 | 416 | 417 | 596 | 997 | 997 | 359 | 359 | 997 | 1011 | 999 | 1022 | 596 | 30 | 20 | 20 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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