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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Tuesday 28 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
18.0° C
(Which is slightly warmer than usual)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 11AM is: 2.1m 10s primary swell from a South direction and 1.4m 10s secondary swell from a Southwest direction (forecast issued at 07:00am April 28). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 7ft (2.2m) | 10s |
| Afternoon (28 Apr) | 7ft (2.2m) | 11s |
| Evening (28 Apr) | 7ft (2.1m) | 11s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Fri 1 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | S 12 | S 11 | S 11 | S 11 | SSE 11 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | |
1035 | 1029 | 937 | 1069 | 1027 | 1236 | 1126 | 864 | 898 | 819 | 819 | 889 | 1236 | 681 | 923 | 634 | 387 | 405 | 480 | 670 | 2712 | 2581 | 2111 | 1680 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | glassy | off | |
High Tide | 1:39PM1.32m | 1:46AM1.49m | 2:12PM1.38m | 2:17AM1.52m | 2:42PM1.42m | |||||||||||||||||||
Low Tide | 7:37AM0.22m | 7:40PM0.28m | 8:09AM0.16m | 8:13PM0.25m | 8:39AM0.12m | 8:44PM0.23m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | |  | | | |
 | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | 7:18 |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | 6:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 16 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 15 | 17 | 18 | 16 | 14 | 13 | 13 | 13 | 16 | 17 | 16 | 15 | 15 | 14 |
12 | 12 | 11 | 11 | 10 | 11 | 11 | 10 | 9 | 10 | 13 | 13 | 14 | 12 | 11 | 10 | 10 | 10 | 12 | 13 | 12 | 13 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | S 12 | S 11 | S 11 | S 11 | SSE 11 | SW 9 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 15 | SSW 14 |
 kJ | 1035 | 1029 | 937 | 1069 | 1027 | 1236 | 1126 | 864 | 898 | 819 | 819 | 889 | 70 | 681 | 923 | 634 | 387 | 405 | 480 | 604 | 2712 | 2581 | 2111 | 1680 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 16 | SW 16 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SSW 13 | SSW 9 | SSW 13 | SW 11 | SW 11 | SW 11 | SSE 12 | SSW 18 | SSE 11 | SSE 11 | SSE 11 | SE 11 |
| kJ | 416 | 370 | 370 | 328 | 298 | 10 | 10 | 117 | 34 | 35 | 33 | 53 | 111 | 55 | 109 | 117 | 117 | 117 | 246 | 670 | 148 | 74 | 51 | 30 |
Swell 3 Height (m) Direction Period (s) | — | SSW 15 | S 13 | SW 15 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 15 | SSW 15 | SW 14 | SSW 14 | — | SSW 12 | SW 8 | SSW 13 | SSW 13 | SSW 14 | SSW 19 | SSE 12 | — | — | — | — |
| kJ | — | 22 | 31 | 35 | 39 | 40 | 40 | 25 | 76 | 42 | 51 | 74 | — | 104 | 35 | 156 | 158 | 175 | 124 | 193 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 3 | — | — | ESE 3 | ESE 3 | — | — | — | SSE 13 | SSE 5 | SE 5 | ESE 4 | SE 4 | — | SSE 4 | — | — | — | — | — |
| kJ | — | — | — | — | 2 | — | — | 3 | 4 | — | — | — | 1236 | 64 | 49 | 40 | 19 | — | 9 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 21 | 165 | 34 | 22 | 16 | 16 | 12 | 12 | 12 | 16 | 36 | 22 | 16 | 16 | 16 | 16 | 34 | 32 | 21 | 10 | 10 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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