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Underwater Point surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Thursday 23 Apr 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
19.0° C
(Which is 1.1°C warmer than 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: 2.0m 13s primary swell from a South-southwest direction (forecast issued at 07:00pm April 23). An open ocean swell of 1.0m 7s is not directed at the surf break, a second open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| Afternoon (23 Apr) | 8ft (2.5m) | 13s |
| Evening (23 Apr) | 7ft (2.1m) | 13s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Sun afternoon. Warm (max 21°C on Fri night, min 15°C on Sun afternoon). Winds increasing (calm on Fri afternoon, fresh winds from the N by Sun morning). | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 13 | S 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 7 | WSW 8 | |
1699 | 1657 | 1044 | 762 | 539 | 444 | 529 | 320 | 254 | 193 | 101 | 213 | 205 | 202 | 172 | 196 | 192 | 182 | 175 | 154 | 105 | 98 | 271 | 682 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | cross-off | off | cross-on | glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | on | |
High Tide | 8:40PM1.14m | 9:22AM1.06m | 10:21PM1.16m | 11:03AM1.08m | 11:38PM1.25m | 12:12PM1.16m | ||||||||||||||||||
Low Tide | 2:07PM0.46m | 3:10AM0.54m | 3:47PM0.50m | 4:58AM0.50m | 5:15PM0.47m | 6:10AM0.40m | ||||||||||||||||||
 |  | | | | | | | | | | | | | |  | | | | | |  |  | | |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | 6:13 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | 6:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 9 | |
Temp °C | 19 | 19 | 17 | 17 | 17 | 18 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 |
15 | 15 | 12 | 13 | 13 | 15 | 17 | 17 | 18 | 18 | 17 | 18 | 17 | 15 | 16 | 15 | 15 | 15 | 15 | 12 | 11 | 10 | 11 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 5 | WSW 6 | SW 8 | SW 15 |
 kJ | 1699 | 1657 | 1044 | 762 | 539 | 444 | 529 | 320 | 254 | 193 | 101 | 213 | 205 | 202 | 172 | 196 | 192 | 182 | 175 | 154 | 36 | 82 | 239 | 76 |
Swell 2 Height (m) Direction Period (s) | SE 7 | W 16 | SE 7 | — | W 16 | NW 15 | NW 15 | SE 8 | SE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 9 | SSE 7 | SSE 7 | WSW 16 | SW 16 | WSW 10 | WSW 9 | W 9 | SSE 15 |
| kJ | 59 | 5 | 99 | — | 5 | 9 | 8 | 36 | 14 | 77 | 54 | 55 | 28 | 26 | 22 | 15 | 9 | 4 | 26 | 41 | 105 | 98 | 44 | 22 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 10 | W 10 | NW 15 | NW 15 | ESE 8 | SW 12 | ESE 10 | ESE 8 | SE 8 | SE 11 | SE 7 | NW 13 | SW 18 | SSE 6 | SSE 16 | SW 16 | SW 15 | SW 15 | NW 12 |
| kJ | — | — | — | — | — | 2 | 2 | 8 | 8 | 6 | 92 | 11 | 6 | 2 | 4 | 2 | 7 | 12 | 4 | 25 | 41 | 58 | 76 | 6 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 | NW 3 | WNW 3 | WNW 4 | WNW 4 | NNW 4 | NW 5 | W 7 | WSW 8 |
| kJ | 153 | 261 | 139 | 115 | 89 | 62 | — | — | — | — | — | — | — | — | 2 | 8 | 7 | 8 | 11 | 30 | 20 | 54 | 271 | 682 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 13 | 0 | 6 | 2 | 24 | 2 | 24 | 2 | 2 | 2 | 35 | 35 | 24 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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