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Surf Forecasts:
Nine Mile Reef 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
Nine Mile Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nine Mile Reef sea temperature is
18.4° C
(Which is slightly warmer than usual)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 11PM is: 1.6m 13s primary swell from a South direction and 1.4m 7s secondary swell from a Southeast direction (forecast issued at 07:00pm April 23). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| Afternoon (23 Apr) | 6.5ft (2.0m) | 13s |
| Evening (23 Apr) | 5.5ft (1.7m) | 13s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Sun afternoon. Warm (max 26°C on Fri afternoon, min 14°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the NNW 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 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | S 16 | SW 8 | |
1144 | 971 | 835 | 574 | 472 | 333 | 266 | 198 | 191 | 146 | 105 | 111 | 84 | 99 | 76 | 75 | 72 | 69 | 65 | 49 | 47 | 32 | 21 | 250 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | cross | cross | cross | glassy | glassy | cross-on | glassy | on | glassy | glassy | off | off | off | cross-off | cross-off | off | off | off | off | off | off | cross-off | |
High Tide | 8:40PM1.15m | 9:22AM1.07m | 10:21PM1.17m | 11:03AM1.09m | 11:38PM1.26m | 12:12PM1.17m | ||||||||||||||||||
Low Tide | 2:07PM0.47m | 3:11AM0.55m | 3:47PM0.51m | 4:59AM0.51m | 5:16PM0.48m | 6:10AM0.41m | ||||||||||||||||||
 |  | | | | | | | | | | | | | |  | | | | | | |  |  | |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | 6:13 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | 6:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 10 | |
Temp °C | 19 | 19 | 18 | 18 | 18 | 19 | 23 | 26 | 24 | 22 | 22 | 21 | 19 | 18 | 21 | 23 | 20 | 17 | 16 | 15 | 14 | 15 | 17 | 15 |
17 | 17 | 15 | 15 | 15 | 16 | 21 | 23 | 22 | 19 | 20 | 19 | 16 | 15 | 17 | 19 | 18 | 16 | 15 | 13 | 11 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 6 | NNE 4 | SW 8 |
 kJ | 1144 | 971 | 835 | 574 | 472 | 333 | 266 | 198 | 191 | 146 | 105 | 111 | 84 | 99 | 76 | 75 | 72 | 69 | 65 | 49 | 47 | 24 | 3 | 250 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SE 8 | SE 8 | SE 8 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 17 | WSW 4 | SW 5 | SW 10 | SSW 15 | SW 15 |
| kJ | — | — | — | — | — | 62 | 71 | 60 | 119 | 74 | 33 | 32 | 31 | 25 | 15 | 15 | 8 | 7 | 23 | 2 | 7 | 32 | 21 | 34 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 11 | S 11 | ESE 8 | ESE 9 | SW 12 | SE 11 | ESE 8 | — | S 19 | S 18 | S 18 | S 17 | S 8 | S 16 | S 16 | S 16 | S 16 | S 15 |
| kJ | — | — | — | — | — | — | 61 | 21 | 24 | 29 | 92 | 4 | 28 | — | 7 | 6 | 6 | 6 | 1 | 21 | 20 | 20 | 19 | 17 |
Wind waves Height (m) Direction Period (s) | — | SE 6 | SE 7 | ESE 7 | SE 7 | ESE 7 | — | — | — | — | — | — | — | — | NNW 2 | WNW 3 | WNW 3 | WNW 3 | NW 3 | NW 3 | NNW 3 | N 4 | W 8 | WNW 4 |
| kJ | — | 196 | 163 | 163 | 116 | 90 | — | — | — | — | — | — | — | — | 1 | 3 | 6 | 4 | 3 | 5 | 8 | 18 | 153 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 0 | 12 | 12 | 12 | 0 | 0 | 10 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 18 | 12 | 0 | 0 | 0 | 0 | 52 | 160 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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