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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Wednesday 15 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
19.2° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 8AM is: 1.9m 12s primary swell from a Southwest direction and 1.2m 14s secondary swell from a Southwest direction (forecast issued at 01:00am April 15). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 7ft (2.1m) | 12s |
| Afternoon (15 Apr) | 8ft (2.5m) | 13s |
| Evening (15 Apr) | 8ft (2.5m) | 16s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 12 | 13 | 12 | 13 | 13 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2946 | 860 | 3810 | 946 | 2108 | 2108 | 4284 | 3634 | 3182 | 2768 | 2487 | 1889 | 1728 | 1480 | 1236 | 1133 | 996 | 828 | 723 | 657 | 625 | 542 | 506 | 497 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | on | cross- on | on | cross- on | cross- on | cross- on | glass | cross | cross- on | cross- on | cross- on | glass | off | off | off | off | cross- off | cross- on | off |
High Tide / height (m) | 1:39AM 1.54 | 2:02PM 1.46 | 2:14AM 1.65 | 2:39PM 1.55 | 2:50AM 1.73 | 3:17PM 1.59 | ||||||||||||||||||
Low Tide / height (m) | 7:58AM 0.12 | 8:04PM 0.14 | 8:34AM 0.00 | 8:40PM 0.07 | 9:10AM -0.07 | |||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:20 | - |
 | |  |  |  | | |  | | | | | | | | | | |  |  | | |  |  | |
Rain (mm) | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | 8 |
| Temp. °C | 18 | 18 | 18 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 17 | 19 | 18 | 16 | 16 | 14 | 13 | 14 | 18 | 18 | 12 | 12 |
| Feels °C (?) | 17 | 16 | 15 | 13 | 15 | 15 | 13 | 13 | 13 | 13 | 12 | 13 | 15 | 16 | 15 | 15 | 15 | 12 | 9 | 9 | 12 | 11 | 9 | 8 |
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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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