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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 10 Dec 2025 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
17.2° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 3AM is: 0.9m 10s primary swell from a Southwest direction and 0.4m 9s secondary swell from a South direction, 0.9m 6s secondary swell from a Southeast direction (forecast issued at 07:00pm December 10). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 4.5ft (1.3m) | 6s |
| Afternoon (11 Dec) | 3ft (0.9m) | 9s |
| Evening (11 Dec) | 3ft (0.9m) | 9s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 10 | 10 | 10 | 6 | 10 | 9 | 9 | 9 | 10 | 20 | 19 | 18 | 17 | 16 | 16 | 10 | 10 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 411 | 261 | 148 | 151 | 120 | 111 | 94 | 181 | 146 | 119 | 73 | 134 | 217 | 370 | 493 | 589 | 728 | 1780 | 1901 | 6402 | 2756 | 2898 | 2422 | 2046 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | cross | cross | glass | cross | cross- on | on | cross- on | off | off | off | off | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 7:35PM 1.13 | 8:15AM 1.27 | 8:45PM 1.05 | 9:21AM 1.22 | 10:04PM 1.02 | 10:28AM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 1:43AM 0.43 | 2:49PM 0.49 | 2:47AM 0.51 | 4:06PM 0.51 | 4:00AM 0.56 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - |
| Sunset | 7:49 | - | - | - | - | - | - | - | 7:49 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - |
 |  | | | | | | |  |  |  | | | | |  | | |  |  | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | 1 | 2 | - | - | - | - |
| Temp. °C | 26 | 23 | 20 | 19 | 19 | 23 | 27 | 26 | 22 | 20 | 19 | 18 | 17 | 19 | 21 | 19 | 19 | 19 | 17 | 16 | 17 | 17 | 17 | 18 |
| Feels °C (?) | 22 | 20 | 19 | 18 | 18 | 23 | 25 | 25 | 21 | 21 | 19 | 17 | 15 | 15 | 16 | 17 | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 14 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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