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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Saturday 25 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
18.2° 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 9AM is: 0.6m 11s primary swell from a Southwest direction and 0.4m 9s secondary swell from a South-southeast direction (forecast issued at 01:00am April 25). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2ft (0.6m) | 11s |
| Afternoon (25 Apr) | 2ft (0.6m) | 11s |
| Evening (25 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Sun afternoon. Warm (max 22°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 8 | SW 8 | WSW 8 | SW 10 | SSW 10 | SW 11 | WSW 11 | WSW 12 | WSW 12 | SSW 11 | SSW 11 | SSW 11 | |
84 | 101 | 77 | 76 | 73 | 72 | 69 | 50 | 49 | 47 | 46 | 91 | 167 | 159 | 213 | 681 | 1230 | 3150 | 2211 | 1806 | 1452 | 1216 | 1322 | 1316 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:03AM1.09m | 11:38PM1.26m | 12:12PM1.17m | 00:31AM1.35m | 1:00PM1.25m | |||||||||||||||||||
Low Tide | 4:59AM0.51m | 5:16PM0.48m | 6:10AM0.41m | 6:17PM0.41m | 6:59AM0.30m | 7:02PM0.34m | ||||||||||||||||||
 | |  | | | | | | |  |  |  |  | |  | |  | |  | | | |  | | |
 | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
— | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 2 | 3 | 3 | 2 | 1 | — | — | — | — | — | — | |
Temp °C | 21 | 19 | 17 | 21 | 22 | 19 | 16 | 16 | 15 | 15 | 16 | 16 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
19 | 16 | 14 | 17 | 18 | 17 | 15 | 15 | 13 | 12 | 12 | 12 | 13 | 11 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 8 | SW 8 | SW 14 | SW 13 | E 10 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 11 | SSW 11 | SSW 11 |
 kJ | 84 | 101 | 77 | 76 | 73 | 72 | 69 | 50 | 49 | 47 | 46 | 91 | 167 | 159 | 31 | 63 | 2 | 1395 | 875 | 1333 | 1071 | 1207 | 1322 | 1316 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 8 | S 17 | WSW 5 | WSW 5 | WSW 6 | SW 15 | SW 15 | SW 15 | S 14 | S 14 | — | — | SW 12 | S 11 | SW 12 | — | — | — |
| kJ | 32 | 31 | 25 | 15 | 16 | 8 | 6 | 23 | 2 | 8 | 10 | 34 | 34 | 33 | 16 | 15 | — | — | 583 | 1223 | 93 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 10 | E 11 | — | — | S 18 | S 18 | S 17 | S 8 | S 16 | S 16 | SW 16 | S 16 | S 15 | S 15 | E 10 | E 10 | — | — | — | — | — | — | — | — |
| kJ | 4 | 2 | — | — | 6 | 6 | 6 | 1 | 21 | 20 | 10 | 19 | 17 | 17 | 2 | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | N 2 | NNW 3 | NW 3 | WNW 4 | WNW 3 | NW 3 | NW 3 | NW 4 | NNW 4 | NW 4 | WNW 4 | NW 3 | WSW 8 | SW 10 | SSW 10 | SW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 |
| kJ | — | — | 1 | 3 | 9 | 7 | 4 | 5 | 9 | 15 | 29 | 29 | 20 | 5 | 213 | 681 | 1230 | 3150 | 2211 | 1806 | 1452 | 1216 | 878 | 705 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 18 | 18 | 0 | 0 | 0 | 0 | 52 | 18 | 10 | 10 | 578 | 865 | 998 | 1170 | 165 | 165 | 165 | 10 | 10 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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