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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Saturday 21 Mar 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
17.6° 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 4PM is: 1.3m 12s primary swell from a South-southwest direction and 1.5m 5s secondary swell from a South-southeast direction (forecast issued at 07:00am March 21). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 5ft (1.5m) | 12s |
| Afternoon (21 Mar) | 4.5ft (1.3m) | 12s |
| Evening (21 Mar) | 4ft (1.2m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 16 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 655 | 603 | 599 | 485 | 485 | 412 | 405 | 399 | 385 | 319 | 307 | 256 | 256 | 234 | 313 | 372 | 521 | 477 | 1376 | 1546 | 1517 | 1318 | 1090 | 961 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 4:28AM 1.73 | 4:51PM 1.55 | 5:05AM 1.66 | 5:30PM 1.45 | 5:45AM 1.53 | 6:13PM 1.33 | ||||||||||||||||||
Low Tide / height (m) | 10:45AM -0.02 | 10:52PM 0.08 | 11:23AM 0.06 | 11:30PM 0.18 | 12:04PM 0.19 | 12:14AM 0.31 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:52 | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 16 | 20 | 22 | 21 | 19 | 18 | 17 | 16 | 17 | 21 | 22 | 21 | 18 | 18 | 18 | 18 | 18 | 23 | 27 | 27 | 21 | 19 | 19 |
| Feels °C (?) | 15 | 14 | 17 | 17 | 16 | 15 | 15 | 15 | 14 | 15 | 18 | 17 | 16 | 13 | 14 | 14 | 15 | 15 | 20 | 23 | 22 | 17 | 16 | 18 |
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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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