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Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 21 Jan 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
18.8° C
(Which is 1.2°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 1AM is: 1.0m 12s primary swell from a South-southwest direction and 0.5m 15s secondary swell from a South-southwest direction, 1.1m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm January 21). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 4.5ft (1.3m) | 13s |
| Afternoon (22 Jan) | 5ft (1.6m) | 15s |
| Evening (22 Jan) | 6.5ft (2.0m) | 15s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| 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) (?) | 6 | 12 | 12 | 12 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 325 | 251 | 243 | 371 | 408 | 530 | 499 | 1028 | 1340 | 1472 | 2169 | 2322 | 2228 | 2197 | 2460 | 2462 | 2426 | 2220 | 2026 | 1844 | 1649 | 1488 | 1317 | 1161 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 4:56PM 1.46 | 5:21AM 1.56 | 5:31PM 1.42 | 5:55AM 1.54 | 6:09PM 1.35 | 6:33AM 1.49 | ||||||||||||||||||
Low Tide / height (m) | 11:04PM 0.10 | 11:31AM 0.20 | 11:35PM 0.14 | 12:08PM 0.23 | 12:11AM 0.21 | 12:51PM 0.28 | ||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - |
| Sunset | 7:57 | - | - | - | - | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - | - |
 |  | | | | | | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 20 | 18 | 18 | 19 | 21 | 22 | 22 | 19 | 18 | 17 | 16 | 17 | 19 | 19 | 19 | 17 | 17 | 16 | 16 | 18 | 21 | 21 |
| Feels °C (?) | 18 | 19 | 19 | 17 | 18 | 18 | 19 | 21 | 21 | 16 | 16 | 15 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 16 | 18 | 18 |
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