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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Tuesday 16 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
18.5° C
(Which is slightly cooler than normal)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 7PM is: 1.3m 12s primary swell from a Southwest direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 01:00pm December 16). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 5ft (1.5m) | 12s |
| Afternoon (16 Dec) | 4.5ft (1.3m) | 12s |
| Evening (16 Dec) | 4.5ft (1.4m) | 13s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 14 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 12 | 12 | 8 | 8 | 10 | 8 | 5 | 5 | 11 | 10 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 555 | 503 | 403 | 546 | 3246 | 405 | 235 | 286 | 522 | 333 | 421 | 402 | 348 | 386 | 373 | 147 | 184 | 435 | 138 | 186 | 135 | 133 | 141 | 419 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:02PM 1.28 | 1:40AM 1.22 | 1:41PM 1.32 | 2:15AM 1.28 | 2:18PM 1.36 | 2:50AM 1.33 | ||||||||||||||||||
Low Tide / height (m) | 7:32PM 0.33 | 7:40AM 0.44 | 8:07PM 0.28 | 8:17AM 0.38 | 8:41PM 0.23 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 |
| Sunset | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:53 | - | - | - | - | - |
 | |  |  |  |  | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 22 | 21 | 20 | 18 | 18 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 15 | 17 | 21 | 21 | 20 | 18 | 18 | 16 | 16 | 18 |
| Feels °C (?) | 23 | 21 | 19 | 20 | 20 | 14 | 15 | 14 | 14 | 13 | 12 | 11 | 13 | 12 | 12 | 13 | 16 | 15 | 14 | 13 | 15 | 14 | 13 | 15 |
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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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